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Composition containing trinexapac-ethyl and chitosan oligosaccharide or chitosan

A technology of composition and trinexapac-ethyl, applied in biocides, animal repellents, plant growth regulators, etc., can solve problems such as poor effects

Active Publication Date: 2015-11-11
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The composition of trinexapac-ethyl and oligochitosan or chitosan can significantly improve the plant's disease control effect, and can solve the problem of poor effect in the current single-dose application of pesticides

Method used

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  • Composition containing trinexapac-ethyl and chitosan oligosaccharide or chitosan
  • Composition containing trinexapac-ethyl and chitosan oligosaccharide or chitosan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The control effect of the composition of embodiment 1 trinexapac-ethyl and chitosan oligosaccharide to wheat disease

[0016] A single compound or composition is dissolved in a solvent to prepare a 1000 mg / L mother solution. According to the preliminary test of biological activity, a certain amount of the above mother solution was diluted with 0.1% Tween 80 to prepare the required concentration. During the experiment, different fields with powdery mildew and wheat rust occurred in the jointing stage were selected respectively. Use a hand-held sprayer to spray once with a single agent of the same concentration and a regular constant spray of the composition, spray 20 plants for each agent treatment, and set a blank control. Spray once more every 10-15 days after taking medicine. The disease index was investigated before the medicine and 7-10 days after the second application of the medicine. Investigate all the leaves of each plant for powdery mildew, investigate the ...

Embodiment 2

[0041] Example 2 Effect of the composition containing trinexapac-ethyl and chitosan on lawn grass bermudagrass leaf spot

[0042] A single compound or composition is dissolved in an organic solvent to prepare a 1000 mg / L mother solution. According to the preliminary test of biological activity, a certain amount of the above mother solution was diluted with 0.1% Tween 80 to prepare the required concentration. During the measurement, the liquid medicine was sprayed on potted Bermudagrass weeds, and then the leaf spot pathogen was inoculated quantitatively. After 24 hours of moisturizing cultivation, it was placed in a greenhouse for cultivation. After a certain period of time, the percentage of plant leaf infection was visually measured. Use the Abbot formula to convert percentages to efficacy.

[0043]

[0044]

[0045] x is the control effect of active component A when the concentration is a, and y is the control effect of the active component B when the concentration i...

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Abstract

The invention belongs to the field of plant protection and relates to a composition containing trinexapac-ethyl and chitosan oligosaccharide or chitosan and application in the aspect of plant disease prevention. The weight ratio of the trinexapac-ethyl and the chitosan oligosaccharide or chitosan in the composition is 1:10-10:1. The composition is processed on a plant in at least one pesticide applying mode of spraying, seed dressing and root pouring. The composition with the concentration the same as or different from the that of the composition applied the first time is applied again for 0-3 times every other 10-20 d, the application dosage of the composition is 5-100 mg / L, and the composition can be used for preventing various plant diseases, especially the diseases of wheat and turfgrass.

Description

technical field [0001] The invention belongs to the field of plant protection, in particular to a composition containing trinexapac-ethyl and chitosan or chitosan and the application of the composition in disease prevention. Background technique [0002] With the improvement of people's living standards and concern for the ecological environment, people's demand and quality of fruits and vegetables are increasing day by day. However, how to increase the production and income of fruits and vegetables has become an urgent problem to be solved in the agricultural product planting industry. The application of plant growth regulators can promote the growth of plants, increase yield and enhance stress resistance, and is one of the main measures to increase the production and income of fruits and vegetables. The product of the invention is widely applicable to the cultivation of many types of plants, such as crops, fruit trees, vegetables, flowers, etc., to promote plant disease pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01P3/00A01P1/00A01N37/42
Inventor 侯华民张善学麦发任
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH
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