CN113243368A - Growth regulator for controlling vigorous growth and promoting bud differentiation of apples and use method thereof - Google Patents

Growth regulator for controlling vigorous growth and promoting bud differentiation of apples and use method thereof Download PDF

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Publication number
CN113243368A
CN113243368A CN202110207432.XA CN202110207432A CN113243368A CN 113243368 A CN113243368 A CN 113243368A CN 202110207432 A CN202110207432 A CN 202110207432A CN 113243368 A CN113243368 A CN 113243368A
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Prior art keywords
growth
growth regulator
apples
bud differentiation
strigolactone
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CN202110207432.XA
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Chinese (zh)
Inventor
刘丽
高登涛
魏志峰
石彩云
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Zhengzhou Fruit Research Institute CAAS
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Zhengzhou Fruit Research Institute CAAS
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    • 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
    • A01N37/42Biocides, 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
    • 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
    • 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
    • A01N43/06Biocides, 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
    • A01N43/08Biocides, 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 with oxygen as the ring hetero atom

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Agronomy & Crop Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a growth regulator for controlling vigorous growth and promoting bud differentiation of apples and a using method thereof, belonging to the technical field of apple growth regulators. The growth regulator comprises prohexadione calcium and strigolactone, wherein the mass ratio of the strigolactone to the prohexadione calcium is 800-1000: 1. the use method of the growth regulator comprises the steps of preparing the growth regulator into a solution by using water, uniformly spraying the solution on the leaf surfaces of apple trees, wherein the concentration of prohexadione calcium in the solution is 100-500 mg.L‑1The concentration of strigolactone is 0.30 mg.L‑1~1.00mg·L‑1. The growth regulator for controlling vigorous growth and promoting bud differentiation of apples can be used at low active ingredient concentrationEffectively prevent young shoots from growing vigorously, promote the flower bud differentiation of apples, improve the yield and the fruit quality of apples and promote effective branching.

Description

Growth regulator for controlling vigorous growth and promoting bud differentiation of apples and use method thereof
Technical Field
The invention relates to an apple growth regulator.
Background
The growth potential of the apple tree and the formation quantity and quality of flower buds of the apple tree are greatly related, and the quantity and quality of the flower buds directly concern the yield and fruit quality of the apple tree. Therefore, the vigorous growth of the branches is controlled by different measures in production, so that the effects of reducing nutrient consumption, promoting the vigorous growth of the branches and improving flower bud differentiation are achieved. The research aims to control vigorous growth and promote flowering by spraying a chemical reagent with a certain concentration.
The commonly used vigorous control method in production mainly comprises the manual methods of holding branches, twisting tips and the like, which takes labor and effort; at present, the methods for controlling excessive chemical growth are few, and the methods for controlling excessive chemical growth are more in application of paclobutrazol and PPO, but the paclobutrazol and PPO are easy to generate residues and are easy to generate phytotoxicity when being not used properly. Prohexadione calcium is a novel cyclohexanetrione plant growth regulator, can effectively inhibit the growth of crop nodes, shortens the length of stalks, is thick and strong in stalks, is an ideal plant growth retardant, and has extremely low residue. At present, the method is mainly applied to field crops, and fruit trees are rarely reported.
Prohexadionexcium (prohexadionexcium), chemically known as 3, 5-dichloro-4-propionylcyclohexanecarboxylic acid and calcium salt, is a plant growth regulator jointly developed by the company of the combinatorial chemical industries of Japan and the company of Pasteur, Germany. The prohexadione calcium inhibits the vegetative growth of crops by inhibiting the synthesis of gibberellic acid, thereby achieving the purpose of regulating the growth of crops. Prohexadione-calcium is most widely researched in China in the aspect of controlling vigorous growth and resisting lodging on rice. In addition, prohexadione-calcium also has a good effect on wheat, peanuts and lawns. According to research, the prohexadione calcium can effectively reduce the height of a wheat plant, shorten the internode length, increase the stem thickness and improve the photosynthetic rate, the thousand kernel weight and the yield; the photosynthetic strength, root activity, single fruit weight and yield of peanut leaves can be improved, the activities of SOD, POD and CTA protective enzymes can be obviously improved, and the stress resistance can be improved; the application of the method on the lawn can reduce the lawn trimming frequency, improve the color of the lawn and facilitate the lawn management.
Strigolactone is a novel plant hormone discovered recently, and can inhibit plant branch growth, control mesocotyl elongation, promote lateral root formation and induce root hair elongation. At present, the mechanism of the medicine is mostly researched, and the exogenous use is very little.
Disclosure of Invention
In order to solve the problems of the prior art, the invention provides a growth regulator composition for controlling vigorous growth and promoting bud differentiation of apples.
On the other hand, the application method of the growth regulator for controlling vigorous growth and promoting bud differentiation of the apples is also provided.
The growth regulator for controlling vigorous growth and promoting bud differentiation of apples, disclosed by the invention, has the mass ratio of the strigolactone to the prohexadione calcium being 800-1000: 1. The most preferred mass ratio is 850: 1.
More preferably, the growth regulator can be used alone, or can be applied together with the insecticidal bactericide and the plant nutrient or applied sequentially.
The application method of the growth regulator for controlling vigorous growth and promoting bud differentiation of apples comprises the steps of preparing the growth regulator into a solution by water, uniformly spraying the solution on the leaf surfaces of apples, wherein the concentration of the prohexadione calcium in the solution is 100-500 mg/L-1The strigolactone concentration is 0.30 mg/L-1~1.00mg˙L-1. Wherein the concentration of the prohexadione-calcium in the solution is preferably 300 mg/L-1The concentration of strigolactone is preferably 0.35 mg/L-1
Preferably, the spraying agent is uniformly sprayed on the leaf surfaces of apple trees in the vigorous growth period of the young buds of the apples.
More preferably, the spraying is carried out 1-2 times, and each time interval is 10 d.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the growth regulator for controlling vigorous growth and promoting bud differentiation of apples can effectively prevent vigorous growth of young shoots, promote flower bud differentiation of apples, and improve yield and fruit quality of apples.
In the vigorous growth period of the young sprout of the apple, spraying a growth regulator of prohexadione calcium and strigolactone, and increasing the average single fruit weight by 26-38% after the fruit is mature; the soluble solid of the fruit is increased by more than 10.5 percent compared with the control, and the flower bud differentiation rate is improved by 21 to 37 percent. The vigorous growth of the branches can be effectively controlled, the branches are full, the flower bud differentiation is obviously increased, the single fruit weight of the fruits is increased, the yield is improved, the fruit quality is obviously improved, and the branching can be effectively promoted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
Example one
A growth regulator for promoting growth and differentiation of apple is prepared by preparing solution with water. The solutions were divided into three test groups based on the different contents of prohexadione calcium plus strigolactone.
In the river mountain of the temple of the three gorges lingbao, 5-year-old red Fuji is selected as a test variety, and the pesticide is applied by adopting a spraying method from the bottom of 5 months to the middle of 6 days in 2019.
And (3) uniformly spraying the solution on the surfaces of the leaves of the apples in the vigorous growth period of the young shoots of the apples, spraying the whole plants for 1-2 times, and spraying the solution on the leaves of each plant until the water drops on the surfaces of the leaves, wherein the interval is 10 days each time. The spraying time is selected in the morning, evening or windless cloudy day, and the high temperature time is avoided. Other field operations are treated conventionally.
Three test groups, respectively, are the growth regulator group of the invention (300 mg/L)-1Calcium prohexadione-calcium +0.30 mg/L-1Strigolactone; 300mg < L >-1Calcium prohexadione-calcium +0.35 mg/L-1Strigolactone; 300mg < L >-1Calcium cyclamate +0.40mg-1Strigolactone), and prohexadione calcium group (prohexadione calcium concentration of 100 mg/L-1、300mg˙L-1And 500 mg/L-1) And a clear water group.
Individuals were 1 cell, each treatment was repeated 3 times, randomized block permutation, for a total of 7 treatments. And (5) respectively investigating the conditions of branch growth, chlorophyll content, leaf photosynthetic index and fruit quality of each group. The results are shown in tables 1 and 2.
TABLE 1 Effect of different treatments on shoot growth and chlorophyll content
Figure BDA0002949815170000031
TABLE 2 Effect of different treatments on fruit quality
Figure BDA0002949815170000032
Figure BDA0002949815170000041
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A growth regulator for controlling vigorous growth and promoting bud differentiation of apples is characterized by comprising prohexadione calcium and strigolactone.
2. The growth regulator for controlling vigorous growth and promoting bud differentiation of apples according to claim 1, wherein the mass ratio of the strigolactone to the prohexadione calcium is 800-1000: 1.
3. The growth regulator for controlling vigorous growth and promoting bud differentiation of apples according to claim 2, wherein the mass ratio of the strigolactone to the prohexadione calcium is 850: 1.
4. The growth regulator for controlling vigorous sprouting and promoting differentiation of apples according to claim 1, 2 or 3, wherein the growth regulator is administered alone.
5. The growth regulator for controlling vigorous growth and promoting bud differentiation of apple as claimed in claim 4, wherein said growth regulator is applied together with or sequentially with an insecticide, a fungicide, and a plant nutrient.
6. The method of using the growth regulator for controlling vigorous growth and promoting bud differentiation of apples as claimed in claim 4, wherein the growth regulator is prepared into a solution with water and sprayed uniformly on applesThe concentration of the prohexadione-calcium in the solution is 100 to 500 mg/L on the surface of the foliage of the tree-1The strigolactone concentration is 0.30 mg/L-1~1.00mg˙L-1
7. The method of using growth regulator for controlling vigorous sprouting and promoting differentiation of apple as claimed in claim 6 wherein the concentration of calcium cyclamate in the solution is 300 mg/L-1The strigolactone concentration is 0.35 mg/L-1
8. The method for using growth regulator for controlling vigorous growth and promoting bud differentiation of apple as claimed in claim 6 or 7, wherein the growth regulator is uniformly sprayed on the leaf surface of apple tree during vigorous growth period of new young apple shoots.
9. The method for using the growth regulator for controlling vigorous growth and promoting bud differentiation of apples according to claim 8, wherein the spraying is performed 1-2 times, and each time interval is 10 days.
CN202110207432.XA 2021-02-24 2021-02-24 Growth regulator for controlling vigorous growth and promoting bud differentiation of apples and use method thereof Pending CN113243368A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114982490A (en) * 2022-06-14 2022-09-02 江苏省林业科学研究院 Method for regulating and controlling plant type of shrub-type willow
CN115152766A (en) * 2022-07-26 2022-10-11 郑州郑氏化工产品有限公司 Functional composition and application and use method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114982490A (en) * 2022-06-14 2022-09-02 江苏省林业科学研究院 Method for regulating and controlling plant type of shrub-type willow
CN115152766A (en) * 2022-07-26 2022-10-11 郑州郑氏化工产品有限公司 Functional composition and application and use method thereof
CN115152766B (en) * 2022-07-26 2023-08-25 郑州郑氏化工产品有限公司 Functional composition and application and use method thereof

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