CN114885735A - Method for promoting flowering of purple bougainvillea spectabilis in advance - Google Patents

Method for promoting flowering of purple bougainvillea spectabilis in advance Download PDF

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Publication number
CN114885735A
CN114885735A CN202210614348.4A CN202210614348A CN114885735A CN 114885735 A CN114885735 A CN 114885735A CN 202210614348 A CN202210614348 A CN 202210614348A CN 114885735 A CN114885735 A CN 114885735A
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China
Prior art keywords
parts
purple
flowering
regulator
bougainvillea spectabilis
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Withdrawn
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CN202210614348.4A
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Chinese (zh)
Inventor
郭沛楷
陆毅妍
阮琳
张丽华
温志
吴佳庆
陈秋香
傅小霞
乐龙胜
李坚
伍成厚
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Guangzhou Institute Of Forestry And Landscape Architecture
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Guangzhou Institute Of Forestry And Landscape Architecture
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Priority to CN202210614348.4A priority Critical patent/CN114885735A/en
Publication of CN114885735A publication Critical patent/CN114885735A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005—Cultivation methods
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
    • A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
    • A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/02—Acyclic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
    • A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/24—Cyanogen or compounds thereof, e.g. hydrogen cyanide, cyanic acid, cyanamide, thiocyanic acid
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P21/00—Plant growth regulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Abstract

The invention discloses a method for promoting prunus mume to bloom in advance, which belongs to the technical field of garden cultivation, and comprises the following steps: (1) selecting robust purple bougainvillea spectabilis which is not damaged by pests as a stock plant, pruning the stock plant and planting the pruned stock plant in a cultivation container; (2) applying base fertilizer into the container, and watering thoroughly after applying the base fertilizer; (3) controlling water of the purple bougainvillea spectabilis, and spraying a regulator to the purple bougainvillea spectabilis; (4) and (5) treating in a flowering period. The method can advance the florescence of the purple bougainvillea spectabilis and can effectively prolong the florescence of the purple bougainvillea spectabilis. The regulator disclosed by the invention can promote the formation of buds, promote flowering, improve the number of the buds, and simultaneously can effectively prolong the service life of the triangular plum buds, promote the buds to expand, and reduce the bud-off rate, so that the flowering time is advanced, and the flowering period is prolonged.

Description

Method for promoting flowering of purple bougainvillea spectabilis in advance
Technical Field
The invention relates to the technical field of garden cultivation, in particular to a method for promoting prunus mume to bloom in advance.
Background
The purple bougainvillea is vine-shaped shrub of leaf flower of Mirabilis, and is widely distributed in tropical and subtropical regions of the world. In China, the purple bougainvillea spectabilis is mostly distributed in southern areas such as Hainan, Guangxi, Guangdong, Fujian, Yunnan, Sichuan and the like. The purple triangle plum blossom has bright color and lasting florescence, can be used for flowering all the year round, and is deeply loved by people. The purple-flower bougainvillea spectabilis is wide in application, beautiful figure can be seen everywhere in park green land, road greening, overpass greening and the like, and the purple-flower bougainvillea spectabilis plays an important role in beautifying cities, improving environment, garden city construction and the like.
The purple triangle plum blossom is slightly small and compact, the flowering period is long, the bract is purple red, the branch is resistant to pruning, and the plant is drought-resistant, waterlogging-resistant and is favored by light. The natural florescence is concentrated in 3-4 months and 10-11 months. In the cultivation of prunus mume, practitioners hope to accurately control the flowering of prunus mume at a specific time point and prolong the flowering period, but the understanding of the flowering mechanism of prunus mume is limited at home and abroad.
At present, flowering phase regulation of bougainvillea spectabilis is mainly realized in greenhouses and greenhouses, and the bougainvillea spectabilis is moved to a placing place after flowering. Flowers in greenhouses and greenhouses are easy to control, the purple bougainvillea spectabilis is easy to grow vigorously and vain under adverse environments, such as the conditions of sufficient moisture and abundant nutrients for a long time, and the purple bougainvillea spectabilis is not blossomed all the year round and does not bloom for many years. Therefore, how to advance and prolong the flowering phase of prunus mume becomes a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The method can lead the flowering phase of the prunus mume to be advanced and can effectively prolong the flowering phase of the prunus mume.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for promoting the flowering of purple bougainvillea in advance comprises the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not damaged by pests as a stock plant, pruning the stock plant and planting the pruned stock plant in a cultivation container;
(2) applying base fertilizer into the container, and watering thoroughly after applying the base fertilizer;
(3) controlling water of the purple bougainvillea spectabilis, and spraying a regulator to the purple bougainvillea spectabilis;
(4) treating in a flowering phase;
the regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 100-500;
the regulator composition comprises the following components in parts by weight: 0.5-2 parts of cyanamide, 1-4 parts of amino-oligosaccharin, 2-6 parts of xylitol, 4-8 parts of brassinosteroids, 6-12 parts of cis-12-oxo-plant dienoic acid, 8-15 parts of allantoin and 18-25 parts of Tween 60.
The spraying amount of the regulator is that the spraying is stopped just before the leaves drip.
The inventor finds that the purple bougainvillea spectabilis can enter the flowering phase in advance and bloom, and can effectively prolong the flowering phase at the same time by pruning the purple bougainvillea spectabilis, applying a base fertilizer, performing water control treatment, spraying a regulator and performing flowering phase treatment, so that the ornamental value of the purple bougainvillea spectabilis is effectively improved.
After the water control operation, the regulator is sprayed on the prunus mume, so that the formation of buds can be promoted, the flowering is promoted, the number of the buds is increased, meanwhile, the service life of the prunus mume buds can be effectively prolonged, the buds are promoted to expand, the bud-off rate is reduced, the flowering time is advanced, and the flowering period is prolonged.
The inventor of the invention finds in a large number of researches that the selection of raw materials in a specific regulator and the matching of the raw materials are the key factors influencing the flowering time and the flowering phase, and obtains the regulator capable of remarkably advancing the flowering time and prolonging the flowering phase by selecting brassinosteroid and cis-12-oxo-plant dienoic acid as regulating hormones and matching cyanamide, amino-oligosaccharin and xylitol under the mutual promotion and mutual influence of the components.
Meanwhile, the inventor finds that the parts by weight of the regulator can also influence the flowering time and the flowering phase, the flowering time can be effectively advanced and the flowering phase can be prolonged by controlling the raw materials to be at the specific parts by weight, and the flowering time and the flowering phase can be greatly influenced if the raw material components are used in amounts deviating from the specific parts by weight.
As a preferred embodiment of the invention, the culture medium is contained in the culture container and comprises the following components in parts by weight: 1-4 parts of turf, 4-12 parts of furnace slag powder, 10-30 parts of fine sand and 50-80 parts of yellow loam.
According to the method, the culture medium with a specific weight part is selected, so that the developed degree of the root system of the bougainvillea speetabilis can be effectively improved, the tip length of the bougainvillea speetabilis is improved, the number of flower buds is conveniently increased subsequently, and when the flower buds bloom, the developed branch system and more flower buds are shown, so that the flowering display effect of the flower buds is better.
As a preferred embodiment of the invention, the culture medium is contained in the culture container and comprises the following components in parts by weight: 2 parts of turf, 10 parts of furnace slag powder, 20 parts of fine sand and 68 parts of yellow loam. Particularly, when the culture medium is in the above weight parts, the root system is more developed and slightly longer, so that the flower buds and flower buds are more in number, and the flowering display effect is better.
It should be noted that, the culture medium is sterilized, and those skilled in the art can perform specific sterilization methods according to actual needs, as long as the corresponding sterilization effect is achieved, for example, the culture medium is sterilized at 121 ℃ and 0.11MPa for 1 hour. The culture medium is sterilized, so that the fungal, bacterial and viral diseases can be effectively prevented and controlled.
The fineness modulus of the fine sand is 1.6-2.2, and the average particle size is 0.25-0.35 mm.
The culture medium may be added to 60 to 70% of the volume of the culture container, for example, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, etc., but is not limited to the above-mentioned values, and other values not shown in the above-mentioned numerical range are also applicable.
As a preferred embodiment of the present invention, the step (2) is specifically: the base fertilizer is applied to a container, and after the base fertilizer is applied, the container is watered thoroughly every day, and the base fertilizer is applied again every 5 to 8 days, wherein the application amount of the base fertilizer is 100 to 200g, for example, 100g, 110g, 120g, 130g, 140g, 150g, 160g, 170g, 180g, 190g, 200g, and the like per each purple bougainvillea spectabilis plant, but the base fertilizer is not limited to the recited values, and other values not recited in the range of the values are also applicable.
As a preferred embodiment of the invention, the base fertilizer comprises the following components in parts by weight: 1-5 parts of medical stone powder, 2-6 parts of calcium superphosphate, 4-15 parts of rice bran, 10-25 parts of dried chicken manure, 15-30 parts of calcium magnesium phosphate fertilizer and 20-40 parts of urea.
The base fertilizer obtained by combining the raw materials according to a specific weight part ratio can effectively promote the formation of flower buds and increase soil nutrients, thereby promoting the growth of bougainvillea spectabilis.
And after the base fertilizer is applied, watering thoroughly every day, and fertilizing again at intervals of 5-8 days until flower buds appear.
As a preferred embodiment of the invention, the base fertilizer comprises the following components in parts by weight: 2 parts of medical stone powder, 5 parts of calcium superphosphate, 12 parts of rice bran, 20 parts of dried chicken manure, 25 parts of calcium magnesium phosphate fertilizer and 36 parts of urea.
As a preferred embodiment of the present invention, the water control operation specifically comprises: and (3) when branches and leaves of the prunus mume wither, continuously watering the prunus mume thoroughly for 1-2 days.
As a preferred embodiment of the present invention, the spraying of the regulator to the prunus mume is specifically: after the first water control operation is carried out on the purple bougainvillea spectabilis, a regulator is sprayed on the purple bougainvillea spectabilis.
The regulator is sprayed once every 8-12 days until the purple bougainvillea spectabilis enters the initial flowering phase.
As a preferred embodiment of the present invention, the conditioner comprises a conditioner composition, water, wherein the weight ratio of the conditioner composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 1 part of cyanamide, 2 parts of amino-oligosaccharin, 4 parts of xylitol, 5 parts of brassinosteroid, 8 parts of cis-12-oxo-plant dienoic acid, 10 parts of allantoin and 20 parts of Tween 60. Particularly, the raw materials are controlled within the weight part range, so that the flowering time can be effectively advanced, and the flowering period can be prolonged.
As a preferred embodiment of the present invention, the florescence treatment is specifically: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surfaces from the initial flowering phase to the final flowering phase every 7-12 days, and applying compound fertilizer to the purple bougainvillea.
As a preferred embodiment of the invention, the foliar fertilizer comprises the following components in parts by weight: 0.05-0.2 part of salicylic acid, 0.1-0.5 part of zinc lignosulfonate, 0.2-1 part of calcium hydrophosphate, 0.8-1.5 parts of fulvic acid, 0.5-2 parts of monopotassium phosphate, 2-10 parts of calcium dodecyl benzene sulfonate and 900-990 parts of water.
As a preferred embodiment of the invention, the foliar fertilizer comprises the following components in parts by weight: 0.1 part of salicylic acid, 0.4 part of zinc lignosulfonate, 0.8 part of calcium hydrophosphate, 1 part of fulvic acid, 1.5 parts of monopotassium phosphate, 8 parts of calcium dodecyl benzene sulfonate and 988.2 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
as a preferred embodiment of the invention, the compound fertilizer comprises the following components in parts by weight: 0.5-2 parts of 14-hydroxy brassinosterol, 2-8 parts of betaine, 1-10 parts of humic acid, 5-15 parts of phosphogypsum, 10-30 parts of borax and 30-60 parts of urea.
As a preferred embodiment of the invention, the compound fertilizer comprises the following components in parts by weight: 1 part of 14-hydroxyl brassinosterol, 6 parts of betaine, 8 parts of humic acid, 12 parts of phosphogypsum, 20 parts of borax and 53 parts of urea; the application amount of the compound fertilizer is 100g per plant.
By adopting the flowering phase treatment method and the foliar fertilizer and the compound fertilizer which are prepared according to the specific weight parts, the effects of well protecting flowers and prolonging the flowering phase can be achieved.
The invention has the beneficial effects that: (1) the method provided by the invention can advance the flowering phase of the purple bougainvillea spectabilis and can effectively prolong the flowering phase of the purple bougainvillea spectabilis. (2) The regulator disclosed by the invention can promote the formation of buds, promote flowering, improve the number of the buds, and simultaneously can effectively prolong the service life of the triangular plum buds, promote the buds to expand, and reduce the bud-off rate, so that the flowering time is advanced, and the flowering period is prolonged. (3) The flowering phase treatment method and the foliar fertilizer and the compound fertilizer which are prepared from the specific weight parts can play a good role in flower retention and flowering phase prolonging.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment and the comparative example of the invention select the lobular purple bougainvillea variety of the same batch as a test object.
Example 1
A method for promoting the flowering of purple bougainvillea in advance comprises the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not harmful to diseases and insects as a mother plant, pruning the mother plant, planting the pruned mother plant in a cultivation container, cutting off horizontal branches properly during pruning, and cutting off over-dense branches, weak branches, overlapped branches, dead branches and insect-disease branches from a base; the culture container contains a culture medium, the culture medium is added to 67% of the volume of the culture container, and the culture medium comprises the following components in parts by weight: 2 parts of turf, 10 parts of furnace slag powder, 20 parts of fine sand and 68 parts of yellow loam, and sterilizing the culture medium at the temperature of 121 ℃ and under the pressure of 0.11Mpa for 1 hour.
(2) Applying a base fertilizer into the container, watering thoroughly every day after applying the base fertilizer, and applying the fertilizer again every 7 days until flower buds appear; the base fertilizer comprises the following components in parts by weight: 2 parts of medical stone powder, 5 parts of calcium superphosphate, 12 parts of rice bran, 20 parts of dried chicken manure, 25 parts of calcium magnesium phosphate fertilizer and 36 parts of urea, wherein the application amount of the base fertilizer is 120 g/plant.
(3) Carrying out water control operation on the purple bougainvillea spectabilis, wherein the water control operation specifically comprises the following steps: when branches and leaves of the purple bougainvillea spectabilis withered, continuously keeping for 1 day, and watering the purple bougainvillea spectabilis thoroughly;
spraying a regulator on the purple bougainvillea after the first water control operation, wherein the spraying of the regulator is stopped when the water drops on the leaves, and the regulator is sprayed once every 10 days until the purple bougainvillea enters the initial flowering phase.
The regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 1 part of cyanamide, 2 parts of amino-oligosaccharin, 4 parts of xylitol, 5 parts of brassinosteroid, 8 parts of cis-12-oxo-plant dienoic acid, 10 parts of allantoin and 20 parts of Tween 60.
(4) Treating in a flowering phase;
the flowering phase treatment specifically comprises the following steps: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surfaces every 8 days from the initial flowering phase to the final flowering phase, and applying compound fertilizer to the purple bougainvillea.
The foliar fertilizer comprises the following components in parts by weight: 0.1 part of salicylic acid, 0.4 part of zinc lignosulfonate, 0.8 part of calcium hydrophosphate, 1 part of fulvic acid, 1.5 parts of monopotassium phosphate, 8 parts of calcium dodecyl benzene sulfonate and 988.2 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
the compound fertilizer comprises the following components in parts by weight: 1 part of 14-hydroxyl brassinosterol, 6 parts of betaine, 8 parts of humic acid, 12 parts of phosphogypsum, 20 parts of borax and 53 parts of urea; the application amount of the compound fertilizer is 100g per plant.
In this embodiment, 20 strains are grown as a test, the time is the average time of 20 strains, and the time nodes are specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the day 5 and 13, generating flower buds on the day 5 and 20, performing water control operation on the plant 5 and 23, spraying a regulator on the plant 5 and 24 after the water control operation, entering the initial flowering stage on the day 6 and 2, performing flowering stage treatment on the plant 6 and 3, and ending the process when the plant 11 and 6 enter the flowering stage.
In the whole process, the flowering period can be reached in 28 days, so that the purple bougainvillea spectabilis can be effectively promoted to bloom in advance, and the flowering period is as long as 156 days.
Example 2
A method for promoting the flowering of purple bougainvillea in advance comprises the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not harmful to diseases and insects as a mother plant, pruning the mother plant, planting the pruned mother plant in a cultivation container, cutting off horizontal branches properly during pruning, and cutting off over-dense branches, weak branches, overlapped branches, dead branches and insect-disease branches from a base; the culture container contains a culture medium, the culture medium is added to 60% of the volume of the culture container, and the culture medium comprises the following components in parts by weight: 1 part of grass carbon, 12 parts of furnace slag powder, 10 parts of fine sand and 77 parts of yellow loam, and sterilizing the culture medium for 1 hour at the temperature of 121 ℃ and under the pressure of 0.11 Mpa.
(2) Applying a base fertilizer into the container, watering thoroughly every day after applying the base fertilizer, and applying the fertilizer again every 7 days until flower buds appear; the base fertilizer comprises the following components in parts by weight: 1 part of medical stone powder, 6 parts of calcium superphosphate, 10 parts of rice bran, 25 parts of dry chicken manure, 20 parts of calcium magnesium phosphate fertilizer and 38 parts of urea, wherein the application amount of the base fertilizer is 120g per plant.
(3) Carrying out water control operation on the purple bougainvillea spectabilis, wherein the water control operation specifically comprises the following steps: when branches and leaves of the purple bougainvillea spectabilis withered, continuously keeping for 1 day, and watering the purple bougainvillea spectabilis thoroughly;
spraying a regulator on the purple bougainvillea after the first water control operation, wherein the spraying of the regulator is stopped when the water drops on the leaves, and the regulator is sprayed once every 10 days until the purple bougainvillea enters the initial flowering phase.
The regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 0.5 part of cyanamide, 4 parts of amino-oligosaccharin, 2 parts of xylitol, 8 parts of brassinosteroid, 6 parts of cis-12-oxo-plant dienoic acid, 15 parts of allantoin and 18.5 parts of tween 60.
(4) Treating in a flowering phase;
the flowering phase treatment specifically comprises the following steps: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surface every 8 days from the initial flowering phase to the final flowering phase, and applying compound fertilizer to the purple bougainvillea.
The foliar fertilizer comprises the following components in parts by weight: 0.05 part of salicylic acid, 0.5 part of zinc lignosulfonate, 0.2 part of calcium hydrophosphate, 1.5 parts of fulvic acid, 0.5 part of monopotassium phosphate, 10 parts of calcium dodecyl benzene sulfonate and 987.25 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
the compound fertilizer comprises the following components in parts by weight: 0.5 part of 14-hydroxyl brassinosterol, 8 parts of betaine, 7 parts of humic acid, 15 parts of phosphogypsum, 10 parts of borax and 59.5 parts of urea; the application amount of the compound fertilizer is 100g per plant.
In this embodiment, 20 strains are grown as a test, the time is the average time of 20 strains, and the time nodes are specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 13 and 20 in 5 and 5 months, generating flower buds on the day 5 and 23 in 5 months, performing water control operation on the plant 5 and 26 in 5 months, spraying a regulator on the plant 5 and 27 in 5 months, spraying the regulator again on the plant 6 and 6 months, entering the initial flowering stage in 6 and 10 months, performing flowering stage treatment on the plant 6 and 11 months, and ending the process when the plant 10 and 29 months enters the flowering stage.
In the whole process, the flowering period can be reached in 35 days, so that the purple bougainvillea spectabilis can be effectively promoted to bloom in advance, and the flowering period is as long as 140 days.
Example 3
A method for promoting the flowering of purple bougainvillea in advance comprises the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not harmful to diseases and insects as a mother plant, pruning the mother plant, planting the pruned mother plant in a cultivation container, cutting off horizontal branches properly during pruning, and cutting off over-dense branches, weak branches, overlapped branches, dead branches and insect-disease branches from a base; the culture container contains a culture medium, the culture medium is added to 70% of the volume of the culture container, and the culture medium comprises the following components in parts by weight: 4 parts of grass carbon, 4 parts of furnace slag powder, 30 parts of fine sand and 62 parts of yellow soil, and sterilizing the culture medium for 1 hour at the temperature of 121 ℃ and under the pressure of 0.11 Mpa.
(2) Applying a base fertilizer into the container, watering thoroughly every day after applying the base fertilizer, and applying the fertilizer again every 7 days until flower buds appear; the base fertilizer comprises the following components in parts by weight: 5 parts of medical stone powder, 2 parts of calcium superphosphate, 15 parts of rice bran, 10 parts of dry chicken manure, 30 parts of calcium magnesium phosphate fertilizer and 38 parts of urea, wherein the application amount of the base fertilizer is 120g per plant.
(3) Carrying out water control operation on the purple bougainvillea spectabilis, wherein the water control operation specifically comprises the following steps: when branches and leaves of the purple bougainvillea spectabilis withered, continuously keeping for 1 day, and watering the purple bougainvillea spectabilis thoroughly;
spraying a regulator on the purple bougainvillea after the first water control operation, wherein the spraying of the regulator is stopped when the water drops on the leaves, and the regulator is sprayed once every 10 days until the purple bougainvillea enters the initial flowering phase.
The regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 2 parts of cyanamide, 1 part of amino-oligosaccharin, 6 parts of xylitol, 4 parts of brassinosteroid, 10 parts of cis-12-oxo-plant dienoic acid, 8 parts of allantoin and 19 parts of tween 60.
(4) Treating in a flowering phase;
the flowering phase treatment specifically comprises the following steps: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surfaces every 8 days from the initial flowering phase to the final flowering phase, and applying compound fertilizer to the purple bougainvillea.
The foliar fertilizer comprises the following components in parts by weight: 0.2 part of salicylic acid, 0.1 part of zinc lignosulfonate, 1 part of calcium hydrophosphate, 0.8 part of fulvic acid, 2 parts of monopotassium phosphate, 8 parts of calcium dodecyl benzene sulfonate and 987.9 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
the compound fertilizer comprises the following components in parts by weight: 2 parts of 14-hydroxyl brassinosterol, 2 parts of betaine, 10 parts of humic acid, 5 parts of phosphogypsum, 30 parts of borax and 51 parts of urea; the application amount of the compound fertilizer is 100g per plant.
In this embodiment, 20 strains are grown as a test, the time is the average time of 20 strains, and the time nodes are specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 13 and 5 and 20, generating flower buds on the day 5 and 22, performing water control operation on the plant 5 and 25, spraying a regulator on the plant 5 and 26, spraying the regulator on the plant 6 and 5 again, starting the flowering period in No. 6 and 6, performing flowering period treatment on the plant 6 and 7, and ending the flowering period in No. 10 and 29.
In the whole process, the flowering period can be reached in only 34 days, the purple bougainvillea spectabilis can be effectively promoted to bloom in advance, and the flowering period is as long as 145 days.
Example 4
A method for promoting the flowering of purple bougainvillea in advance comprises the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not harmful to diseases and insects as a mother plant, pruning the mother plant, planting the pruned mother plant in a cultivation container, cutting off horizontal branches properly during pruning, and cutting off over-dense branches, weak branches, overlapped branches, dead branches and insect-disease branches from a base; the culture container contains a culture medium, the culture medium is added to 65% of the volume of the culture container, and the culture medium comprises the following components in parts by weight: 3 parts of turf, 5 parts of furnace slag powder, 25 parts of fine sand and 67 parts of yellow loam, and sterilizing the culture medium at the temperature of 121 ℃ and under the pressure of 0.11Mpa for 1 hour.
(2) Applying a base fertilizer into the container, watering thoroughly every day after applying the base fertilizer, and applying the fertilizer again every 7 days until flower buds appear; the base fertilizer comprises the following components in parts by weight: 3 parts of medical stone powder, 5 parts of calcium superphosphate, 12 parts of rice bran, 20 parts of dried chicken manure, 28 parts of calcium magnesium phosphate fertilizer and 32 parts of urea, wherein the application amount of the base fertilizer is 120 g/plant.
(3) Carrying out water control operation on the purple bougainvillea spectabilis, wherein the water control operation specifically comprises the following steps: when branches and leaves of the purple bougainvillea spectabilis withered, continuously keeping for 1 day, and watering the purple bougainvillea spectabilis thoroughly;
spraying a regulator on the purple bougainvillea after the first water control operation, wherein the spraying of the regulator is stopped when the water drops on the leaves, and the regulator is sprayed once every 10 days until the purple bougainvillea enters the initial flowering phase.
The regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 1.2 parts of cyanamide, 2.5 parts of amino-oligosaccharin, 5 parts of xylitol, 7 parts of brassinosteroid, 8 parts of cis-12-oxo-plant dienoic acid, 8 parts of allantoin and 18.3 parts of tween 60.
(4) Treating in a flowering phase;
the flowering phase treatment specifically comprises the following steps: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surfaces every 8 days from the initial flowering phase to the final flowering phase, and applying compound fertilizer to the purple bougainvillea.
The foliar fertilizer comprises the following components in parts by weight: 0.08 part of salicylic acid, 0.3 part of zinc lignosulfonate, 0.6 part of calcium hydrophosphate, 1.2 parts of fulvic acid, 1.8 parts of monopotassium phosphate, 9 parts of calcium dodecyl benzene sulfonate and 987.02 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
the compound fertilizer comprises the following components in parts by weight: 1.2 parts of 14-hydroxy brassinosterol, 7 parts of betaine, 6 parts of humic acid, 10 parts of phosphogypsum, 26 parts of borax and 56 parts of urea; the application amount of the compound fertilizer is 100g per plant.
In this embodiment, 20 strains are grown as a test, the time is the average time of 20 strains, and the time nodes are specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 13 and 5 and 20, generating flower buds on the day 5 and 21, performing water control operation on the plant 5 and 24, spraying a regulator on the plant 5 and 25, spraying the regulator again on the plant 6 and 4, entering the initial flowering stage 6 and 7, performing flowering stage treatment on the plant 11 and 2, and ending entering the flowering stage.
In the whole process, the flowering period can be reached in 31 days, the flowering of the purple bougainvillea spectabilis can be effectively promoted to be advanced, and the flowering period is as long as 148 days.
Comparative example 1
Comparative example 1 differs from example 4 in that the composition of the conditioner composition described in comparative example 1 differs from example 4, all else being the same.
Comparative example 1 brassinosteroids, cis-12-oxo-phytodienoic acid were replaced with equivalent amounts of abscisic acid, paclobutrazol.
Regulator composition of comparative example 1 the regulator comprises a regulator composition, water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 1.2 parts of cyanamide, 2.5 parts of amino-oligosaccharin, 5 parts of xylitol, 7 parts of abscisic acid, 8 parts of paclobutrazol, 8 parts of allantoin and 18.3 parts of tween 60.
In this comparative example, 20 strains were grown as a test for an average time of 20 strains, and the time nodes were specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 6, generating flower buds on the days 5 and 21 in 5, performing water control operation on the plant 5 and 24, spraying the regulator on the plant 5 and 25, spraying the regulator on the plant 6 and 4, entering the initial flowering stage in No. 6 and 13, performing flowering stage treatment on the plant 6 and 14, and ending entering the flowering stage in No. 10 and 9.
In the whole process, the flowering period can be reached in 38 days, so that the purple bougainvillea spectabilis can be effectively promoted to bloom in advance, and the flowering period is as long as 117 days.
Comparative example 2
Comparative example 2 differs from example 4 in that the composition of the conditioner composition described in comparative example 2 differs from example 4, all else being the same.
The regulator composition described in comparative example 2, which does not contain cyanamide, amino-oligosaccharin, xylitol and allantoin, is a single plant growth regulator.
Regulator composition of comparative example 2 the regulator comprises a regulator composition, water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 7 parts of abscisic acid, 8 parts of paclobutrazol and 35 parts of tween 60.
In this comparative example, 20 strains were grown as a test for an average time of 20 strains, and the time nodes were specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 13 and 20 in 5 and 5 months, generating flower buds on the day 5 and 21 in 5 months, performing water control operation on the plant 5 and 24 in 5 months, spraying a regulator on the plant 5 and 25 in 5 months, spraying the regulator again on the plant 6 and 4 days in 6 months, entering the initial flowering stage on the plant 6 and 12 in 6 months, performing flowering stage treatment on the plant 6 and 13 in 10 months, and ending entering the flowering stage in 10 months and 10 months.
In the whole process, the flowering period can be reached in only 37 days, the flowering of the purple bougainvillea is effectively promoted in advance, and the flowering period is as long as 119 days.
Comparative example 3
Comparative example 3 differs from example 1 in that the formulation of the conditioner composition described in comparative example 3 differs from example 4, all else being equal.
The regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 0.4 part of cyanamide, 5 parts of amino-oligosaccharin, 8 parts of xylitol, 2 parts of brassinosteroid, 15 parts of cis-12-oxo-plant dienoic acid, 5 parts of allantoin and 14.6 parts of tween 60.
In this comparative example, 20 strains were grown as a test for an average time of 20 strains, and the time nodes were specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 6, generating flower buds on the days 5 and 21 in 5, performing water control operation on the plant 5 and 24, spraying the regulator on the plant 5 and 25, spraying the regulator on the plant 6 and 4, entering the initial flowering stage in No. 6 and 10, performing flowering stage treatment on the plant 6 and 11, and ending entering the flowering stage in No. 10 and 16.
In the whole process, the flowering period can be reached in 35 days, so that the purple bougainvillea spectabilis can be effectively promoted to bloom in advance, and the flowering period is as long as 127 days.
Comparative example 4
Comparative example 4 is different from example 4 in that the foliar fertilizer and the compound fertilizer in the flowering-stage treatment of comparative example 4 are different from example 4, and the others are the same.
The foliar fertilizer comprises the following components in parts by weight: 0.3 part of zinc lignosulfonate, 0.6 part of calcium hydrophosphate, 1.2 parts of fulvic acid, 1.8 parts of monopotassium phosphate, 9 parts of calcium dodecyl benzene sulfonate and 987.1 parts of water. The application amount of the foliar fertilizer is that the spraying is stopped when the water drops on the leaves;
the compound fertilizer comprises the following components in parts by weight: 6 parts of humic acid, 10 parts of phosphogypsum, 26 parts of borax and 64.2 parts of urea; the application amount of the compound fertilizer is 100g per plant.
In this embodiment, 20 strains are grown as a test, the time is the average time of 20 strains, and the time nodes are specifically:
finishing pruning and adding culture medium on the day 5 and 6 from the beginning of No. 5 and 6 in 2021, applying base fertilizer to the plant on the same day, applying the base fertilizer again on the days 5 and 13 and 5 and 20, generating flower buds on the day 5 and 21, performing water control operation on the plant 5 and 24, spraying a regulator on the plant 5 and 25, spraying the regulator again on the plant 6 and 4, entering the initial flowering stage 6 and 7, performing flowering stage treatment, and ending entering the flowering stage 10 and 6.
The whole process has a florescence as long as 121 days.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A method for promoting the flowering of purple bougainvillea spectabilis in advance is characterized by comprising the following steps:
(1) selecting robust purple bougainvillea spectabilis which is not damaged by pests as a stock plant, pruning the stock plant and planting the pruned stock plant in a cultivation container;
(2) applying base fertilizer into the container, and watering thoroughly after applying the base fertilizer;
(3) controlling water of the purple bougainvillea spectabilis, and spraying a regulator to the purple bougainvillea spectabilis;
(4) treating in a flowering phase;
the regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 100-500;
the regulator composition comprises the following components in parts by weight: 0.5-2 parts of cyanamide, 1-4 parts of amino-oligosaccharin, 2-6 parts of xylitol, 4-8 parts of brassinosteroids, 6-12 parts of cis-12-oxo-plant dienoic acid, 8-15 parts of allantoin and 18-25 parts of Tween 60.
2. The method for promoting the premature flowering of prunus mume according to claim 1, wherein the culture container contains a culture medium, and the culture medium comprises the following components in parts by weight: 1-4 parts of turf, 4-12 parts of furnace slag powder, 10-30 parts of fine sand and 50-80 parts of yellow loam.
3. The method for promoting the premature flowering of prunus mume according to claim 1, wherein the step (2) is specifically as follows: and applying a base fertilizer into the container, watering thoroughly every day after applying the base fertilizer, and applying the base fertilizer again every 5-8 days, wherein the application amount of the base fertilizer is 100-200 g per purple bougainvillea.
4. The method for promoting the premature flowering of prunus mume according to claim 1 or 3, wherein the base fertilizer comprises the following components in parts by weight: 1-5 parts of medical stone powder, 2-6 parts of calcium superphosphate, 4-15 parts of rice bran, 10-25 parts of dried chicken manure, 15-30 parts of calcium magnesium phosphate fertilizer and 20-40 parts of urea.
5. The method for promoting the premature flowering of prunus mume according to claim 1, wherein the water control operation is specifically as follows: when branches and leaves of the purple bougainvillea spectabilis withered, continuously watering the purple bougainvillea spectabilis for 1-2 days, and thoroughly watering the purple bougainvillea spectabilis;
the spraying of the regulator to the purple bougainvillea spectabilis comprises the following specific steps: after the first water control operation is carried out on the purple bougainvillea spectabilis, a regulator is sprayed on the purple bougainvillea spectabilis.
6. The method for promoting the premature flowering of prunus mume as claimed in claim 1 or 5, wherein the regulator comprises a regulator composition and water, wherein the weight ratio of the regulator composition to the water is 1: 200;
the regulator composition comprises the following components in parts by weight: 1 part of cyanamide, 2 parts of amino-oligosaccharin, 4 parts of xylitol, 5 parts of brassinosteroid, 8 parts of cis-12-oxo-plant dienoic acid, 10 parts of allantoin and 20 parts of Tween 60.
7. The method for promoting premature flowering of prunus mume according to claim 1, wherein the flowering stage treatment is specifically: removing terminal buds of the purple bougainvillea spectabilis from the beginning of the flowering phase until the plant type is full;
and applying leaf fertilizer to the leaf surfaces from the initial flowering phase to the final flowering phase every 7-12 days, and applying compound fertilizer to the purple bougainvillea.
8. The method for promoting the premature flowering of prunus mume according to claim 7, wherein the foliar fertilizer comprises the following components in parts by weight: 0.05-0.2 part of salicylic acid, 0.1-0.5 part of zinc lignosulfonate, 0.2-1 part of calcium hydrophosphate, 0.8-1.5 parts of fulvic acid, 0.5-2 parts of monopotassium phosphate, 2-10 parts of calcium dodecyl benzene sulfonate and 900-990 parts of water.
9. The method for promoting the premature flowering of prunus mume according to claim 8, wherein the compound fertilizer comprises the following components in parts by weight: 0.5-2 parts of 14-hydroxy brassinosterol, 2-8 parts of betaine, 1-10 parts of humic acid, 5-15 parts of phosphogypsum, 10-30 parts of borax and 30-60 parts of urea.
10. The method for promoting the premature flowering of prunus mume according to claim 8, wherein the compound fertilizer comprises the following components in parts by weight: 1 part of 14-hydroxyl brassinosterol, 6 parts of betaine, 8 parts of humic acid, 12 parts of phosphogypsum, 20 parts of borax and 53 parts of urea; the application amount of the compound fertilizer is 100g per plant.
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