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Drought resishing aphicide and its use

An aphidicide and aphid-killing technology, applied in the field of pesticides, can solve problems such as single function and unsatisfactory aphid-killing effect, and achieve the effects of simple process, favorable growth and easy production

Inactive Publication Date: 2007-06-06
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to overcome the defects of the existing aphidicides with single function or unsatisfactory aphidicidal effect, and provide a stress-resistant aphidicide with low cost, high efficiency and low toxicity, saline-alkali resistance, drought resistance and plant growth regulating activity. Plant growth regulator (RAD) based, good water retention effect and good aphidicidal effect, can improve the germination speed of seeds, low-cost drought-resistant aphidicide, and its use

Method used

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  • Drought resishing aphicide and its use
  • Drought resishing aphicide and its use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1, prepare drought-resistant aphidicide I of the present invention

[0031] A class of chemical structure of 10 parts by weight is 1,3-dioxacyclic compounds---RAD (structural formula is as shown in formula I, R is furyl), chemical fertilizer of 1 part by weight---potassium dihydrogen phosphate, 1 A plant growth agent of parts by weight—indole acetic acid, and a solvent of 25 parts by weight—DMF and methanol (in a volume ratio of 4:3) are sequentially added to the reactor, and fully stirred at room temperature for 3 hours to obtain stress resistance Plant Growth Regulator;

[0032] The insecticide of 5 parts by weight—imidacloprid, the water retaining agent of 10 parts by weight—sodium polyacrylic acid (molecular weight is about 20000), the emulsifier of 3 parts by weight—Tween 80, and the solvent of 30 parts by weight— - DMF and methanol (in a volume ratio of 4:3), fully mixed with 10 parts by weight of the above-mentioned stress-resistant plant growth regul...

Embodiment 2

[0033] Embodiment 2, preparation drought-resistant aphidicide II of the present invention

[0034] A class of chemical structure of 20 parts by weight is 1,3-dioxopentacycline compounds---RAD (structural formula is shown in formula I, R is furyl), chemical fertilizer of 5 parts by weight---urea, 5 parts by weight of Plant growth agent-brassinolide, and 40 parts by weight of solvent-DMF and methanol (in a volume ratio of 4:3) were added to the reaction kettle in sequence, and fully stirred at room temperature for 3 hours to obtain stress-resistant plants growth regulators;

[0035] 15 parts by weight of insecticide - imidacloprid, 20 parts by weight of water retaining agent - polyacrylic acid (polymerization degree 1000 ~ 1500), 15 parts by weight of emulsifier - OP-10, and 70 parts by weight of solvent - DMF and ethanol (according to the volume ratio of 4:3), and the above-mentioned stress-resistant plant growth regulator are fully mixed to obtain the drought-resistant aphidi...

Embodiment 3

[0036] Embodiment 3, the toxicity effect of the drought-resistant aphidicide of the present invention to aphids

[0037] The compound preparation of the drought-resistant aphidicide I provided by the embodiment of the present invention 1 and the contrast -- 10% imidacloprid emulsifiable concentrate (LC 50 3.05mg / L), diluted with an appropriate amount of distilled water to a series of concentrations of 10, 20, 30, 40, 50, 60, 80mg / L, and stirred evenly. Wherein, compound preparation 1 and 2, its main component is identical with the anti-drought aphidicide 1 that the embodiment of the present invention 1 provides, only the solvent used---the volume ratio of DMF and methanol is slightly changed, in compound preparation 1, The volume ratio of DMF and methanol is 5:4, while in compound preparation 2, the volume ratio of DMF and methanol is 1:1. Compound preparation 3 is the drought-resistant aphidicide I provided in Example 1 of the present invention.

[0038] Using the dipping m...

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Abstract

A drought-resistant aphicide with high effect to resist against drought, saline, alkali and low temp and kill the aphis of various agricultural crops is prepared proportionally from anti-stress plant growth regulator, insecticide, water preserving agent, emulsifier and solvent through mixing. Said plant growth regulator and solvent are also disclosed.

Description

technical field [0001] The invention belongs to the field of pesticides, and in particular relates to a drought-resistant aphidicide and its application. Background technique [0002] Aphids are one of the important pests on vegetables, fruit trees, flowers, wheat, cotton, soybeans and other crops. As the amount of pesticide application increases year by year, the resistance of aphids increases year by year, and the efficacy of conventional pesticides such as dimethoate and pyrethroids has dropped significantly. Imidacloprid is a new type of insecticide developed in recent years. It has been developed and researched in China since 1991. At present, the main processing formulations include wettable powder, emulsifiable concentrate, soluble liquid, dispersible granule, and suspension concentrate. The control effect on aphids is relatively high. OK, but this is a single-function aphidicide. In view of the fact that the outbreak of aphids is often related to the degree of drou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/28A01P7/04A01P15/00A01N43/50
Inventor 谢艳红任天瑞刘京玲
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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