CN113875482A - Method for early intervening flower and fruit protection of crisp honey kumquats - Google Patents

Method for early intervening flower and fruit protection of crisp honey kumquats Download PDF

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CN113875482A
CN113875482A CN202111268576.2A CN202111268576A CN113875482A CN 113875482 A CN113875482 A CN 113875482A CN 202111268576 A CN202111268576 A CN 202111268576A CN 113875482 A CN113875482 A CN 113875482A
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flower
fruit
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CN113875482B (en
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赵志晖
谢燕青
韦岚岚
李涛
杨培丽
陆文科
黄秋琴
刘淑梅
陈柳裕
莫毅
谢广燊
叶统政
王毓
王亮
周颀
陈刚
龙鸿鹄
徐周徐
秦强
刘星圻
廖向明
吴齐仟
庞婷
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Liuzhou Agricultural Science Research Center
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/06Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N37/00Biocides, 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
    • A01N37/12Biocides, 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 the group, wherein Cn means a carbon skeleton not containing a ring; Thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
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    • A01N43/02Biocides, 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
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    • A01N43/06Biocides, 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 five-membered rings
    • A01N43/12Biocides, 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 five-membered rings condensed with a carbocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, 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
    • A01N43/04Biocides, 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
    • A01N43/22Biocides, 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
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N45/00Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
    • AHUMAN NECESSITIES
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    • A01N47/00Biocides, 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
    • A01N47/08Biocides, 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
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36Ureas 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

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Abstract

A method for early intervention flower and fruit protection of crisp honey kumquats is a method for applying drugs by adopting different exogenous hormone formulas during the flowering and fruit setting of the crisp honey kumquats, and comprises the following steps: (1) early intervention flower and fruit retention: when the flower is about to open, spraying a corresponding exogenous hormone formula for the first time to protect the flower, so that the ovary grows towards fruit setting without open pollination and fertilization; (2) fruit retention after flower withering: after the flowers are withered, spraying the corresponding formula for the 2 nd time to protect the flowers and the fruits; and then, carrying out 3 rd spraying and 4 th spraying according to the corresponding exogenous hormone formula and spraying time to preserve fruits. According to the early intervention flower and fruit retention method for the crisp honey kumquats, provided by the invention, the first and second flowers are promoted to bear fruits through exogenous hormones, and the fruit retention rate can be improved to 34.4-242.7%. Not only has the function of flower retention, but also has the function of fruit retention, and has obvious effects of increasing yield and increasing efficiency.

Description

Method for early intervening flower and fruit protection of crisp honey kumquats
Technical Field
The invention relates to the technical field of fruit tree cultivation, in particular to an early intervention flower and fruit retention method for crisp honey kumquats.
Background
The crisp honey kumquat is a few polyploid fruit tree varieties which are known to be cultivated manually at present, is excellent in both internal quality and external commodity, has high market acceptance and is a good product in fresh-eating fruits. The crisp honey kumquat has been popularized as a super-high-quality product of geographical sign products in the city of Liuzhou, Shangan county and the like, and the planting scale is enlarged. But has one characteristic: in the natural state, the natural fruit setting rate of the first and second flowers in the early stage is very low, but the natural mature quality of the fruits is excellent, the marketing time is in the period of New year's day and spring festival, the natural fruit setting rate of the third flowers is high, but the flowers are not mature well and have poor quality, and the flowers are mature after the spring festival and have poor marketing. Researches find that factors influencing fruit bearing of the crisp honey kumquats are complex, and besides tree vigor, nutrition, pest and disease damage conditions and the like, the level of phytohormone is an important factor determining the fruit setting rate. Through the exploration for many years, the flower and fruit retention technology in 2010-2012 variety evaluation is girdling and exogenous hormone treatment, the yield per mu of the three-year high-inoculated and transformed tree can reach more than 1200 kilograms, but the girdling has great damage to the tree body, and the plant is easy to senilis. For years, through production exploration, the young fruits can be promoted to grow by artificially supplementing exogenous hormones without girdling, but the technology is not uniform and the quality of the fruits is greatly different.
Disclosure of Invention
The patent with the publication number of CN108651526A discloses a flower and fruit retention compound for crisp honey kumquats and an application method thereof, and the defects of the method are found to be that:
1. the fruit setting rate is averagely improved by only 12.2 percent, and the yield increasing effect is limited.
2. The technology starts to implement flower retention measures too late, the flower retention effect is not in place, and the effect of fruit retention is mainly achieved. The first time of the flower and fruit protection measures implemented by the technology is that flowers bloom and fall quickly in the full-bloom period, particularly flowers with poor development fall quickly, and the significance of flower protection is not great.
3. This technique can affect pollen activity, pollination fertilization, and consequently reduced fruit set. During full-bloom spraying, even osmotic pressure can be generated by clear water, the influence on flower organs can be generated to different degrees, the vitality is damaged, mucus on flower stigma can be diluted, the possibility of pollen adhesion is reduced, and pollination and fertilization are affected.
4. The third fruit preservation is carried out by the technology in the young fruit period. The 'young fruit period' and the 'late flowering period' are placed at the same row position, the expression is inaccurate, and the production practice is difficult. In practice, the young fruit period is from the beginning of the metabolic flowering period to the end of the first rapid growth period, and the duration is about 30-45 days.
Therefore, the applicant conducts a large number of flower and fruit retention agent screening tests in the popularization and planting process of the crispy honey kumquats, and finds that the crispy honey kumquats have less endogenous hormones during flowering and fruit setting in spring and can normally fruit only by using flower and fruit retention drugs through research. Through continuous exploration and continuous improvement of implementation technical measures, the method for early intervention flower and fruit protection of the crisp honey kumquats is summarized, the convenient, quick, efficient and high-quality development of the crisp honey kumquats is promoted, and the problems in the prior art are solved.
The technical scheme for solving the problems is as follows: a method for early intervention flower and fruit protection of crisp honey kumquats is a method for applying drugs by adopting different exogenous hormone formulas during flowering and fruit setting of the crisp honey kumquats, and comprises the following steps:
(1) early intervention flower and fruit retention: when the flower is about to open, spraying a corresponding exogenous hormone formula for the first time to protect the flower, so that the ovary grows towards fruit setting without open pollination and fertilization;
(2) fruit retention after flower withering: after the flowers are withered, spraying the corresponding formula for the 2 nd time to protect the flowers and the fruits; and then, carrying out 3 rd spraying and 4 th spraying according to the corresponding exogenous hormone formula and spraying time to preserve fruits.
Preferably, the method comprises the following steps: the exogenous hormone formulation comprises a first formulation and a second formulation;
the first formula comprises an agent A and an agent B; the second formulation comprises an agent C and an agent D;
the agent A is 0.5% of 3000-8000 times of thidiazuron diluent, 1000 times of Huadele diluent and 500 times of monopotassium phosphate diluent;
the agent B is 100000 times of diluent of 98% diethyl aminoethyl hexanoate original drug and 5000 times of diluent of 20% gibberellic acid;
the agent C is a 3000-8000 times diluent of 0.5 percent thidiazuron, a 1000 times diluent of sugar-alcohol boron and a 600 times diluent of monopotassium phosphate;
the D agent is 0.5% of 3000-8000 times of thidiazuron diluent, 3% of gibberellic acid 1670 times of diluent, 0.01% of brassin 2000 times of diluent, 2% of benzylaminopurine 1000 times of diluent, potassium dihydrogen phosphate 600 times of diluent and sugar alcohol boron 1000 times of diluent.
Preferably, the method comprises the following steps: a method of administering said first formulation comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting the agent A;
and (3) spraying for the 2 nd time: after shaking flowers, namely 1-2 days after flower withering, uniformly spraying the whole plant for 1 time by adopting the agent B;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting the agent B5-6 days after the 2 nd spraying;
and 4, spraying: and uniformly spraying the whole plant for 1 time by adopting the agent B10-15 days after the 3 rd time of spraying.
Preferably, the method comprises the following steps: the second formulation application method comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting a C agent;
and (3) spraying for the 2 nd time: after shaking flowers, namely 1-2 days after flower withering, uniformly spraying the whole plant for 1 time by adopting a D agent;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting a D agent 3-4 days after the 2 nd spraying;
and 4, spraying: and 4-5 days after the 3 rd time of spraying, uniformly spraying the whole plant for 1 time by adopting the D agent.
Preferably, the method comprises the following steps: the method for judging that the flower is about to open comprises the following steps: the flower at the tip of the branch in the range of 10 cm is exposed to white, the diameter of the flower bud reaches more than 0.74 cm, about 30% of flowers in the whole orchard are exposed to white, about 5% of flowers are opened, and the spraying is carried out for the first time.
Preferably, the method comprises the following steps: when the temperature exceeds 30 ℃, 0.5 percent of thidiazuron is diluted to 6000-8000 times when the exogenous hormone formula is used; when the temperature is lower than 30 ℃, the 0.5 percent of thidiazuron is diluted to 3000-fold and 5000-fold when the exogenous hormone formula is used.
By adopting the technical scheme, the method for early intervening flower and fruit protection of the crisp honey kumquats has the following characteristics and beneficial effects:
1. solves the problem of low natural fruit setting rate. According to the early intervention flower and fruit retention method for the crisp honey kumquats, provided by the invention, the first and second flowers are promoted to bear fruits through exogenous hormones, and the fruit retention rate can be improved to 34.4-242.7%. Not only has the function of flower retention, but also has the function of fruit retention, and has obvious effects of increasing yield and increasing efficiency.
2. The problem of tree damage caused by the girdling technology is solved. The method for early intervening in flower and fruit protection of the crisp honey kumquat does not need girdling, does not damage tree bodies, increases nutrition, protects the physique of the tree bodies and improves the quality of flowers.
3. The problem of planting technique uniformity is solved. The early intervention flower and fruit protection method for the crisp honey kumquats, disclosed by the invention, has the advantages of easiness in identification of the time of using the exogenous hormone, easiness in implementation, convenience in use and capability of ensuring the healthy development of the crisp honey kumquats.
4. Solves the technical problems in various aspects of high yield and quality improvement. According to the method for early intervening to protect flowers and fruits of the crisp honey kumquats, fruit setting is completed through early intervening and no flowering pollination, so that the fruit setting amount of flowers is ensured; by intervention of exogenous hormone and nutrition, rapid division of the small fruit cells is promoted, the size and the quality of fruits are ensured, and the yield of the fruits is improved; the fruit setting problem of the first batch of flowers and the second batch of flowers is solved, and the problem of coming into the market from 11 months to spring festival is solved easily.
5. Solves the problem of the first time of applying the flower and fruit retention technology. In the prior art, the first exogenous hormone spraying technology is implemented in the full-bloom stage, and the exogenous hormone is missed when the late-bloom stage is slightly slow and about 3-4 days later than the late-blooming stage. The technology can be implemented when the flower buds are exposed to the white, the implementation time is greatly sufficient, and the flower buds are not short and not tight.
6. The fruit quality problem is solved. As the technology continuously sprays the exogenous hormone formula for 3 times (namely, the 2 nd, the 3 rd and the 4 th times) in the young fruit period to preserve the fruits, the fruit drop, the fruit cracking and the malformed fruits are reduced, and the stable yield and the yield are ensured.
7. Solves the problem that the product is difficult to popularize and plant due to short supply. The problem of flower and fruit retention of the crisp honey kumquats is solved, the dominant characteristic variety is developed, and the problem of popularizing and planting the crisp honey kumquats is also solved.
Therefore, the technology is a key problem of flower and fruit retention and retention of the crispy honey kumquats, which is characterized in that flowers and fruits of the crispy honey kumquats are not fully retained in the early stage and the fruit bearing rate is extremely low under natural conditions, and the situation that quality improvement technology and the market supply are not in demand is solved, and the promotion of the quality improvement of the crispy honey kumquats is led to lead the oriented change of the development of the crispy honey kumquats to the synergy and the green sustainable development.
The technical characteristics of the "an early intervention flower and fruit retention method for crisp honey kumquats" of the present invention are further described below with reference to the examples.
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Detailed Description
A method for early intervention flower and fruit protection of crisp honey kumquats is a method for applying drugs by adopting different exogenous hormone formulas during flowering and fruit setting of the crisp honey kumquats, and comprises the following steps:
(1) early intervention flower and fruit retention: when the flowers are about to bloom, namely the flower buds of the orchard branch within 10 cm are exposed to white, the diameter of the flower buds is more than 0.74 cm, about 30% of the flowers in the whole orchard are exposed to white, and about 5% of the flowers are blooming, the 1 st spraying of a corresponding exogenous hormone formula is carried out to preserve the flowers, so that the flower buds grow to the fruit setting without open pollination and fertilization. The key technology for early intervention of the technology to protect flowers and fruits is provided.
(2) Fruit retention after flower withering: after the flowers are withered, spraying the corresponding formula for the 2 nd time to protect the flowers and the fruits; and then, carrying out 3 rd spraying and 4 th spraying according to the corresponding exogenous hormone formula and spraying time to preserve fruits. This is a guarantee for the achievement of the technical effect.
The exogenous hormone formulation comprises a first formulation and a second formulation; the first formula comprises an agent A and an agent B; the second formulation comprises an agent C and an agent D;
the agent A is mainly 0.5% of 3000-8000 times of thidiazuron diluent, 1000 times of Huadele diluent and 500 times of monopotassium phosphate diluent;
the agent B is mainly 100000 times of diluent of 98% diethyl aminoethyl hexanoate technical product and 5000 times of diluent of 20% gibberellic acid;
the agent C is mainly a 3000-8000 times diluent of 0.5 percent thidiazuron, a 1000 times diluent of sugar-alcohol boron and a 600 times diluent of monopotassium phosphate;
the D agent is mainly 0.5% of 3000-8000 times of thidiazuron diluent, 3% of gibberellic acid 1670 times of diluent, 0.01% of brassin 2000 times of diluent, 2% of benzylaminopurine 1000 times of diluent, potassium dihydrogen phosphate 600 times of diluent and sugar alcohol boron 1000 times of diluent.
When the temperature exceeds 30 ℃, 0.5 percent of thidiazuron is diluted to 6000-8000 times when the exogenous hormone formula is used; when the temperature is lower than 30 ℃, the 0.5 percent of thidiazuron is diluted to 3000-fold and 5000-fold when the exogenous hormone formula is used. When the temperature is over 30 ℃, the medicine liquid is concentrated due to rapid evaporation of water, and the leaves are damaged due to overhigh concentration of the medicine liquid, so the dilution ratio is properly increased.
The agent A, the agent B, the agent C and the agent D are all mixed solutions, the mass of solute contained in each mixed solution can be calculated by the following method, if solid is used as solute, the solute is calculated according to the formula (1): calculating the mass of the solute, namely the mass of the solution and the concentration of the solution; if a liquid is used as the solute, according to the formula (2): the mass of the concentrated solution is the mass of the concentrated solution, and the mass of the concentrated solution is calculated; the mass of the solute and the mass of the concentrated solution are the weight of each substance to be taken.
The method of preparing the agent A comprising 8000 times of a 0.5% thidiazuron diluent, 1000 times of a tylosin diluent, and 500 times of a potassium dihydrogen phosphate diluent will be briefly described. Assuming that 75 liters (L) of solution of agent a is required to prepare 1 mu fruit tree:
firstly, calculating the weight of each substance to be taken:
0.5% thidiazuron at 8000 times concentration, assuming that X g is taken, deriving X75L 1000ml/L ρ/8000 9.375g according to formula (1); (1000 ml/L in 1L, solution density equal to about 1 g/ml);
② gore, the concentration is 1000 times, assuming that Y ml is needed, according to formula (2), deducing Y75L 1000ml/L/1000 75 ml; (1L 1000 ml/L);
(iii) 500 times the concentration of monopotassium phosphate, assuming that Z g (g) is taken, deriving X75L 1000ml/L ρ/500 150g according to formula (1); (1000 ml/L in 1L, solution density equal to about 1 g/ml).
Then, the calculated weight of each substance: 9.375g of 0.5 percent thidiazuron, 75ml of Huadele solution and 150g of monopotassium phosphate are sequentially added into 75 liters of water and evenly mixed to obtain the agent A. The other agents can be obtained by the preparation method of the agent A.
Examples 1 to 3:
examples 1 to 3, the formula of the exogenous hormone adopts a first formula, and the specific composition and content of the test agent of the first formula are shown in table 1.
A method of administering said first formulation comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting the agent A;
and (3) spraying for the 2 nd time: after shaking flowers, namely within 3 days after flower withering, the agent B is uniformly sprayed on the whole plant for 1 time;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting the agent B5-6 days after the 2 nd spraying;
and 4, spraying: and uniformly spraying the whole plant for 1 time by adopting the agent B10-15 days after the 3 rd time of spraying.
Example 4 to example 6:
according to the method for early intervening flower and fruit protection of the crisp honey kumquat in the embodiment, the exogenous hormone formula adopts a second formula, and the specific composition and the content of the test medicament of the second formula are shown in table 1.
The second formulation application method comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting a C agent;
and (3) spraying for the 2 nd time: after shaking flowers, namely within 3 days after flower withering, the D agent is uniformly sprayed on the whole plant for 1 time;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting a D agent 3-4 days after the 2 nd spraying;
and 4, spraying: and 4-5 days after the 3 rd time of spraying, uniformly spraying the whole plant for 1 time by adopting the D agent.
The compositions and the test medicament contents of the formula for early intervening flower and fruit retention of the crisp honey kumquats in the embodiments 1 to 6 are shown in the table 1:
table 1:
Figure BDA0003327828300000061
Figure BDA0003327828300000071
planting experiment:
case 1:
in 2020, 150 acres of crisp honey kumquat are planted in the Panhai faithful orchard (the fourth year of planting) in the Uighur region, wherein 18 acres of stone tombstone are divided into eight equal-area gardens with the same test conditions, six gardens are randomly selected as a test group 1-a test group 6, the other two gardens are used as a control group CK1 and a control group CK2, the exogenous hormone formula and the application method of the embodiment 1-the embodiment 3 are adopted for the fruit trees of the test group 1-the test group 3, and the exogenous hormone formula and the application method of the embodiment 4-the embodiment 6 are adopted for the fruit trees of the test group 4-the test group 6. Methods of administration of control CK1 and control CK 2: see table 2. The method for treating the CK1 in the control group is derived from the following steps: a ' crisp honey kumquat flower and fruit retention compound agent ' recommended by ' breeding ' of ' new kumquat species ' published in ' fruit tree journal ' and a medicament treatment of an application method thereof ' [ firstly spraying 800 times of BA + GA (spraying type) solution on leaf surfaces in an initial flowering period, secondly spraying 50mg/L gibberellin on leaf surfaces every 7-10 days, and keeping the fruit setting rate at spring tips to be 1.2% ] in a control group II, not spraying any plant growth regulator.
Table 2:
Figure BDA0003327828300000081
the application method comprises the following steps:
the CK1 control group was sprayed with a 800-fold solution of cytokinin (BA) + Gibberellin (GA) (spray type) 75L/667m2 whole plant at the initial full bloom stage and with a 50mg/L gibberellin solution 75L/667m2 whole plant every 7 days; CK2 was not sprayed with any growth regulator.
Test group 1 to test group 6 were used according to the different treatments and methods of use of example 1 to example 6 in table 1, respectively.
In test groups 1 to 3, 3000-8000 times of 0.5 percent thidiazuron, 1000 times of Huadele and 500 times of potassium dihydrogen phosphate solution are sprayed on the whole plant of 75L/667m2 when the flower is about to open. After shaking flowers (within 3 days after flower metabolism), the whole plant is sprayed with 100000 times of 98% diethyl aminoethyl hexanoate technical product and 5000 times of 20% gibberellic acid solution of 75L/667m 2. Then spraying once 5-6 days away from the last spraying, and finally spraying once again 10-15 days away from the last spraying.
Test groups 4 to 6, when flowers were about to bloom, the flowers were sprayed with 0.5% solution of Thidiazuron 8000 times, alditol boron 1000 times, and potassium dihydrogen phosphate 600 times, 75L/667m 2. After shaking (within 3 days after flower withering), spraying with 0.5% thidiazuron 3000-8000 times, 3% gibberellic acid 1670 times, 0.01% brassin 2000 times, 2% benayl aminopurine 1000 times, potassium dihydrogen phosphate 600 times and sugar alcohol boron 1000 times solution 75L/667m 2. Then spraying once 5-6 days away from the last spraying, and finally spraying once again 10-15 days away from the last spraying.
In the whole test process, the tree vigor, the tree pest incidence rate, the fruit appearance, the fruit taste and the like of the fruit trees are observed and shown in a table 3; the cost of fertilizer, labor, medicine and the like, the fruit setting rate, the average acre yield and the like are investigated and counted, and the table 4 is shown; the weight of single fruit, the number of seeds, soluble solid, commodity fruit rate, sale price, mu yield value and the like of the product are shown in a table 5.
The tree body survey comparison table 3 shows that the crisp honey kumquats are inserted in the flower and fruit protection test in advance:
Figure BDA0003327828300000091
the input cost of the early intervention flower and fruit retention test of the crisp honey kumquats is compared with that of the crisp honey kumquats in a table 4:
Figure BDA0003327828300000092
Figure BDA0003327828300000101
the commodity and benefit of the early intervention flower and fruit retention test of the crisp honey kumquats are compared with those in the following table 5:
Figure BDA0003327828300000102
case 1 the method for early intervention flower and fruit retention of the crisp honey kumquats has no significant difference from a control group CK1 in the influences on the growth of the tree body of the crisp honey kumquats, the incidence rate of plant diseases and insect pests, the incidence rate of fruit diseases and insect pests, the appearance of the fruits, the taste of the fruits, the average soluble solid content, the average commercial fruit rate and the like. Under the condition that the fertilizer is used identically, compared with a control group CK1, the cost of labor, medicine and the like is increased by using the flower and fruit retention agent, the fruit setting rate is improved by 34.4-242.7%, the average yield per mu is increased by 96.23-174.85%, the average single fruit weight of the product is improved by 15.05-30.89%, and the yield per mu is greatly improved under the condition that the sale price is identical.
Case 2:
in 2020, 70 mu of crisp honey kumquats are planted in a garden (fourth year of planting) with melted water, Zhenxian village and Liujian Biao in the melted water county, wherein 18 mu is divided into eight parks with equal area and same test conditions, six parks are randomly selected as a test group 7-a test group 12, the other two parks are used as a comparison group CK3 and a comparison group CK4, and the test demonstration is carried out according to the setting treatment and method in the table 1. The fruit trees of the test group 7 to the test group 9 correspond to the exogenous hormone formulation and the application method of the examples 1 to 3, and the fruit trees of the test group 10 to the test group 12 correspond to the exogenous hormone formulation and the application method of the examples 4 to 6. Methods of administration of control CK3 and control CK 4: see table 2. In the whole implementation process, the tree vigor, the tree pest incidence rate, the fruit appearance, the fruit taste and the like of the fruit trees are observed and shown in a table 6; the cost of fertilizer, labor, medicine and the like, the fruit setting rate, the average acre yield and the like are investigated and counted, and the results are shown in a table 7; the weight of single fruit, the number of seeds, soluble solid, commodity fruit rate, sale price, mu yield value and the like of the product are shown in a table 8.
The tree body survey comparison table 6 shows that the crisp honey kumquats are inserted in the flower and fruit protection test in advance:
Figure BDA0003327828300000111
Figure BDA0003327828300000121
the comparison table 7 shows the input cost of the early intervention flower and fruit retention test of the crisp honey kumquats:
Figure BDA0003327828300000122
the commodity and benefit of the early intervention flower and fruit retention test of the crisp honey kumquats are compared with those in the table 8:
Figure BDA0003327828300000123
case 2 the method for early intervention flower and fruit retention of the crisp honey kumquats has no significant difference from a control group CK3 in the influences on the growth of the tree body of the crisp honey kumquats, the incidence rate of plant diseases and insect pests, the incidence rate of fruit diseases and insect pests, the appearance of the fruits, the taste of the fruits, the average soluble solid content, the average commercial fruit rate and the like. In the same case of fertilizer use, compared to control CK 3: the cost of labor, medicine and the like is increased by using the flower and fruit protecting medicament; the fruit setting rate is high from 44.30 to 112.0 percent, the average yield per mu is increased from 70.88 to 107.94 percent, and the average single fruit weight is increased from 9.67 to 28.02 percent; under the condition of the same sale price, the yield per mu is greatly high.
The technology of the invention strengthens the quality of flower and fruit retention and ensures high and stable yield. The fruit setting rate is improved to 20.57-52.43%; the average yield per mu is improved by 70.88 to 174.85 percent, and the production benefit is greatly improved.
By adopting the technology of the invention, the production risk is reduced, the technical measures can be implemented for the first time when the flowers are exposed to the white, and the time from the late flowering period to about 20 days is about, so that the user has enough time to implement the flower protection technology, and the timely and in-place use of the technology is ensured.
The technology of the invention starts to implement fruit protection measures after flowers are withered, has definite purpose and ensures stable yield. After the flowers are withered, three technical measures of fruit retention and fruit strengthening are continuously implemented in the young fruit period, so that the nutrient delivery is improved. Promoting the fruit to be robust and grow rapidly. Preventing fruit drop, fruit cracking and malformed fruits.

Claims (6)

1. A method for early intervention flower and fruit retention of crisp honey kumquats is characterized in that: the method is a method for applying the drug by adopting different exogenous hormone formulas during the flowering and fruit setting period of the crisp kumquats, and comprises the following steps:
(1) early intervention flower and fruit retention: when the flower is about to open, spraying a corresponding exogenous hormone formula for the first time to protect the flower, so that the ovary grows towards fruit setting without open pollination and fertilization;
(2) fruit retention after flower withering: after the flowers are withered, spraying the corresponding formula for the 2 nd time to protect the flowers and the fruits; and then, carrying out 3 rd spraying and 4 th spraying according to the corresponding exogenous hormone formula and spraying time to preserve fruits.
2. The method for early intervention flower and fruit protection of crisp honey kumquats according to claim 1, characterized in that: the exogenous hormone formulation comprises a first formulation and a second formulation;
the first formula comprises an agent A and an agent B; the second formulation comprises an agent C and an agent D;
the agent A is 0.5% of 3000-8000 times of thidiazuron diluent, 1000 times of Huadele diluent and 500 times of monopotassium phosphate diluent;
the agent B is 100000 times of diluent of 98% diethyl aminoethyl hexanoate original drug and 5000 times of diluent of 20% gibberellic acid;
the agent C is a 3000-8000 times diluent of 0.5 percent thidiazuron, a 1000 times diluent of sugar-alcohol boron and a 600 times diluent of monopotassium phosphate;
the D agent is 0.5% of 3000-8000 times of thidiazuron diluent, 3% of gibberellic acid 1670 times of diluent, 0.01% of brassin 2000 times of diluent, 2% of benzylaminopurine 1000 times of diluent, potassium dihydrogen phosphate 600 times of diluent and sugar alcohol boron 1000 times of diluent.
3. The method for early intervention flower and fruit protection of crisp honey kumquats according to claim 2, characterized in that: a method of administering said first formulation comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting the agent A;
and (3) spraying for the 2 nd time: after shaking flowers, namely 1-2 days after flower withering, uniformly spraying the whole plant for 1 time by adopting the agent B;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting the agent B5-6 days after the 2 nd spraying;
and 4, spraying: and uniformly spraying the whole plant for 1 time by adopting the agent B10-15 days after the 3 rd time of spraying.
4. The method for early intervention flower and fruit protection of crisp honey kumquats according to claim 2, characterized in that: the second formulation application method comprising the steps of:
spraying for the 1 st time: when the flower is about to bloom, uniformly spraying the whole plant for 1 time by adopting a C agent;
and (3) spraying for the 2 nd time: after shaking flowers, namely 1-2 days after flower withering, uniformly spraying the whole plant for 1 time by adopting a D agent;
and (3) spraying: uniformly spraying the whole plant for 1 time by adopting a D agent 3-4 days after the 2 nd spraying;
and 4, spraying: and 4-5 days after the 3 rd time of spraying, uniformly spraying the whole plant for 1 time by adopting the D agent.
5. The method for early intervention flower and fruit retention of the crisp honey kumquat according to claim 3 or 4, which is characterized in that: the method for judging that the flower is about to open comprises the following steps: the flower at the tip of the branch in the range of 10 cm is exposed to white, the diameter of the flower bud reaches more than 0.74 cm, about 30% of flowers in the whole orchard are exposed to white, about 5% of flowers are opened, and the spraying is carried out for the first time.
6. The method for early intervention flower and fruit protection of crisp honey kumquats according to claim 5, wherein the method comprises the following steps: when the temperature exceeds 30 ℃, 0.5 percent of thidiazuron is diluted to 6000-8000 times when the exogenous hormone formula is used; when the temperature is lower than 30 ℃, the 0.5 percent of thidiazuron is diluted to 3000-fold and 5000-fold when the exogenous hormone formula is used.
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