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Pesticide preventing and curing green tea tree leaf cicada pests

A technology for leaves and green tea, applied in the field of pesticides for preventing and controlling green tea leaf cicada pests, can solve the problems of affecting the yield and quality of green tea, unsatisfactory killing effect, consumption of nutrients and water, etc., so as to prevent the occurrence of green tea tree diseases, slow down the The probability of drug resistance and the effect of reducing the dosage of active ingredients

Inactive Publication Date: 2019-04-19
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insects of this family not only harm crops, but also spread plant virus diseases. Leafhopper adults and nymphs penetrate the cortex of young shoots with needle-like mouthparts to suck juice, consume nutrients and water, make buds and leaves shrink, harden, grow slowly, and the branches between nodes The leaves are shortened, the leaves curl inward, the tips and edges of the leaves are scorched, and the leaves wither and fall off. The damaged buds and leaves are fragile, taste astringent, and poor in quality, which seriously affects the yield and quality of green tea. At present, pesticides are often used to kill them. It consists of the following: (1) 2.5% rotenone EC 300-500 times liquid or dichlorbum 600-800 times liquid spray; (2) Aihe 0.3% azadirachtin 300-500 times liquid or 0.3% matrine water (3) 10% pyridacloprid 4000-5000 times liquid spray; (4) 2.5% bifenthrin emulsifiable concentrate 1500-2000 times liquid spray; Low-toxicity and low-residue pesticides with a safety interval of less than 7 days, but the actual killing effect is not ideal

Method used

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  • Pesticide preventing and curing green tea tree leaf cicada pests
  • Pesticide preventing and curing green tea tree leaf cicada pests
  • Pesticide preventing and curing green tea tree leaf cicada pests

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A pesticide for preventing and controlling green tea tree leafhopper pests, which is composed of the following raw materials in weight percentage: 5% fenvalerate, 1.2% dimethoate, 6% malathion, 3% Cnidium chinensis extract, and 10% pesticide emulsifier 0201B , sodium tridecyl sulfosuccinate 0.1%, tert-butyl anisole 0.05%, succinate sulfonated hydrogenated castor oil 0.15%, saponin powder 0.02%, azone and octamethyltrisiloxane press The mass ratio is 1:3 composed of 0.3% synergist, 20% ethanol, and water as the balance.

[0023] Its preparation method is as follows:

[0024] First, add the extract of Cnidium Fructus into water and dissolve it with proper ultrasonic heating and shaking for use. Add fenvalerate, dimethoate, malathion, and pesticide emulsifier 0201B into ethanol and stir evenly at high speed, and then mix the above Cnidium Fructus Extract The solution is added dropwise, and after the drop is completed, add tridecyl alcohol sulfosuccinate sodium, tert-butyl...

Embodiment 2

[0026] A pesticide for preventing and controlling green tea tree leafhopper pests, which is composed of the following raw materials in weight percentage: 4% fenvalerate, 2% dimethoate, 7% malathion, 3% Cnidium chinensis extract, pesticide emulsifier 0203B 12 %, sodium ditridecyl sulfosuccinate 0.4%, tert-butylanisole 0.05%, succinate sulfonated hydrogenated castor oil 0.25%, saponin powder 0.02%, azone and octamethyltrisiloxane 1% synergist, 14% xylene, and water as the balance in a mass ratio of 1:4.

[0027] Its preparation method is as follows:

[0028] First add the extract of Cnidium Fructus into water and dissolve it by ultrasonic heating and shaking for later use. Add fenvalerate, dimethoate, malathion and pesticide emulsifier 0203B into xylene and stir evenly at high speed, then extract the Cnidium Fructus The substance solution is added dropwise, and after the dropping is completed, add sodium ditridecyl sulfosuccinate, tert-butyl anisole, succinate sulfonated hydrog...

Embodiment 3

[0030] A pesticide for preventing and controlling green tea tree leafhopper pests, which is composed of the following raw materials in weight percentage: 4.5% fenvalerate, 3% dimethoate, 5% malathion, 3% Cnidium chinensis extract, and pesticide emulsifier 0204 11 %, Ditridecyl sulfosuccinate sodium 0.4%, tert-butyl anisole 0.05%, succinate sulfonated hydrogenated castor oil 0.1%, saponin powder 0.015%, azone and octamethyltrisiloxane 0.4% synergist, 18% cyclohexanone, and water as the balance in a mass ratio of 1:5.

[0031] Its preparation method is as follows:

[0032] First add the extract of Cnidium Fructus into water and dissolve it with proper ultrasonic heating and shaking for later use. Add fenvalerate, dimethoate, malathion, and pesticide emulsifier 0204 into cyclohexanone and stir evenly at high speed, then mix the above Cnidium Fructus Add the extract solution dropwise, and then add sodium ditridecyl sulfosuccinate, tert-butyl anisole, succinate sulfonated hydrogen...

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Abstract

The invention provides a pesticide preventing and curing green tea tree leaf cicada pests, and relates to the technical field of pesticide. The pesticide is prepared from, by weight, 4-8% of fenvalerate, 1-3% of dimethoate, 5-10% of malathion, 1-3% of a snowparsley extract, 10-15% of an emulsifier, 0.1-0.5% of sodium ditridecyl sulfosuccinate, 0.02-0.06% of tertiary butyl-hydroxyanisole, 0.1-0.3%of succinate sulfonated hydrogenated castor oil, 0.01-0.03% of saponin powder, 0.1-1% of a synergist, 10-20% of a solvent and the balance water. All the components are compounded so that the pesticidecan better kill the green tea tree leaf cicada pests to prevent green tea tree diseases, all the active components of the pesticide obviously synergize, and thus the pesticide is prepared not simplyby superposing several pesticides.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a pesticide for preventing and controlling green tea tree leafhopper pests. Background technique [0002] Green tea is one of the main teas in China. It is made by picking the fresh leaves first through high temperature killing, killing various oxidases, keeping the green color of the tea leaves, and then kneading and drying them. The clear soup and green leaves are green tea quality. The common feature of the finished product is that the color of the finished product and the brewed tea soup retain the green style of fresh tea leaves. Drinking green tea regularly can prevent cancer, reduce fat and lose weight, and can also reduce the damage of nicotine to smokers. , it retains the natural substances of fresh leaves, and contains more nutrients such as tea polyphenols, catechins, chlorophyll, caffeine, amino acids, and vitamins. These natural nutrients in green tea have specia...

Claims

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Application Information

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IPC IPC(8): A01N65/20A01N37/38A01N57/12A01P7/04A01N25/22A01N25/30
CPCA01N25/22A01N25/30A01N37/38A01N57/12A01N65/00A01N65/10A01N65/20Y02A50/30
Inventor 李海涛
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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