Composition for regulating plant type of cotton and improving stress resistance as well as preparation method and application of composition

A composition and technology for plant growth regulation, applied in the directions of botanical equipment and methods, applications, plant growth regulators, etc., can solve problems such as the risk of production reduction of stiff cotton, increase planting costs, increase labor usage, etc., and achieve good results. Prosperity control and anti-stress effects, avoiding artificial topping, and reasonable ratio

Active Publication Date: 2021-10-15
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of methylpiperium often requires frequent application at the seedling stage, topping stage, boll stage, and bud stage, which increases the amount of manpower used and increases the cost of planting. Moreover, it is easy to cause negative effects such as stiff seedlings and the risk of cotton production reduction. influences

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、1

[0043] Embodiment 1, the preparation of 1.001% coronatin·methylpiperium soluble solution

[0044] 0.001% of coronatin original drug, 1% of methylpiperium original drug, 5% of auxiliary agent phenylethylphenol polyoxyethylene ether formaldehyde condensate (Nanjing Jierun Technology Co., Ltd.), 0.2% of silicone defoamer, 0.5% preservative, water to make up to 100%; put the above materials into the mixer according to weight percentage and mix evenly to prepare 1.001% coronatin·methylpiperium soluble agent. It can be diluted with water to any desired concentration.

Embodiment 2、1

[0045] Embodiment 2, the preparation of 1.006% coronatine mepizenium wettable powder

[0046] 0.006% of coronatin, 1% of mepiperium, 5% of sodium dodecylbenzenesulfonate, 3% of NNO, and 100% of light calcium carbonate; add the above materials into the mixer by weight percentage Mix evenly, pulverize with an airflow mill, and then fully mix in a mixing tank to prepare 1.006% coronatin·methylpiperium wettable powder. It can be diluted with water to form a suspension of any desired concentration.

Embodiment 3、1

[0047] Embodiment 3, the preparation of 1.01% coronatin·methylpiperium suspension

[0048]Coronatin 0.01%, mepiperium 1%, SP-SC3 5%, sodium lignosulfonate 3%, xanthan gum 0.3%, ethylene glycol 5%, silicone defoamer 0.2%, Sodium benzoate 0.5%, water to make up to 100%; the above materials are added to the mixer according to the weight percentage, mixed evenly, and fully ground in a sand mill to prepare a 1.01% coronatin·methylpiperium suspension. It can be diluted with water to form a suspension of any desired concentration.

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PUM

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Abstract

The invention discloses a composition for regulating cotton growth and improving stress resistance as well as a preparation method and application thereof. The composition comprises coronatine and mepiquat chloride. The weight ratio of coronatine to mepiquat chloride is (0.0001-0.01): (1-20). The composition is scientific in matching and reasonable in proportion, not only can adjust the plant type of cotton, but also has multiple stress-resistant activities. Indoor tests prove that the composition has good vigorous growth control and stress resistance effects on cotton. The plant growth regulator can regulate the plant type of cotton, avoids manual topping, improves the low temperature and drought resistance activity of cotton, effectively reduces the labor input, and can avoid the negative effects of runt seedling, cotton yield reduction risk and the like easily caused by only spraying mepiquat chloride in the cotton seedling stage.

Description

technical field [0001] The invention belongs to the technical field of plant growth regulators, and in particular relates to a composition for regulating cotton plant type and improving stress resistance, a preparation method and application thereof. Background technique [0002] Mepiperium (DPC) has a significant effect on the control of cotton plant type, which can shape the plant type suitable for machine harvesting and better implement the mechanization of harvesting. However, the use of methylpiperium often requires frequent application at the seedling stage, topping stage, boll stage, and bud stage, which increases the amount of manpower used and increases the cost of planting. Moreover, it is easy to cause negative effects such as stiff seedlings and the risk of cotton production reduction. influences. [0003] Coronatine (hereinafter referred to as COR) is a metabolite produced by the plant pathogen Pseudomonas syringae pathogenic species discovered in the 20th cent...

Claims

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Application Information

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IPC IPC(8): A01N43/40A01N37/46A01P21/00
CPCA01N43/40A01N37/46Y02A40/10
Inventor 段留生于春欣杜明伟谭伟明姜峰田晓莉李召虎张明才
Owner CHINA AGRI UNIV
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