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Composition for preventing and treating wheat aphids and preparation method and application of composition

A composition and technology of aphids, applied in the direction of botany equipment and methods, applications, pesticides, etc., can solve the problems of pesticide residues, wheat aphids resistance, decline in control effect, etc.

Inactive Publication Date: 2017-05-10
重庆医学检验试剂研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Field production generally adopts chemical control methods, which have quick results, but there are problems of pesticide residues
[0003] At the same time, it will affect the food safety and taste of wheat
In addition, long-term application of pesticides will also make wheat aphids resistant to pesticides, resulting in a decline in control efficiency and making future control more difficult.

Method used

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  • Composition for preventing and treating wheat aphids and preparation method and application of composition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: preparation composition of the present invention

[0025] 1. Raw materials

[0026] 30 parts of turtle back taro, 20 parts of big unicorn flower, 30 parts of upper lotus and lower willow, 10 parts of big arrow, 10 parts of goose palm;

[0027] 2. Preparation method

[0028] Get the fresh fenestration turtle back taro, big unicorn flower, upper lotus and lower willow, big one arrow and Scherichia chinensis, wash respectively, pulverize into 100 mesh and then dry; get each raw material according to weight, mix, sterilize, in 50 heating and drying at -70°C for 2-3 hours to obtain a raw material mixture;

[0029] Place the raw material mixture in a distillation device, add 50% edible alcohol and water equivalent to 25 times the weight of the raw material mixture at 4:1 (volume ratio) and soak for 3 hours, then distill at 100°C for 3.5h, collect the distillate Liquid, the resulting distillate is the composition of the present invention.

Embodiment 2

[0030] Embodiment 2: preparation composition of the present invention

[0031] 1. Raw materials

[0032] 40 parts of turtle back taro, 10 parts of big unicorn flower, 40 parts of upper lotus and lower willow, 5 parts of big arrow, 15 parts of goose palm;

[0033] 2. Preparation method

[0034] Get the fresh fenestration turtle back taro, big unicorn flower, upper lotus and lower willow, big one arrow and Scherichia chinensis, wash respectively, pulverize into 100 mesh and then dry; get each raw material according to weight, mix, sterilize, in 50 heating and drying at -70°C for 2-3 hours to obtain a raw material mixture;

[0035] Place the raw material mixture in a distillation device, add 50% edible alcohol and water equivalent to 25 times the weight of the raw material mixture at 1:1 (volume ratio) and soak for 3 hours, then distill at 80°C for 5h, and collect the distillate , The resulting distillate is the composition of the present invention.

Embodiment 3

[0036] Embodiment 3: preparation composition of the present invention

[0037] 1. Raw materials

[0038] 20 parts of turtle back taro, 30 parts of big unicorn flower, 20 parts of upper lotus and lower willow, 15 parts of big arrow, 5 parts of goose palm;

[0039] 2. Preparation method

[0040] Get the fresh fenestration turtle back taro, big unicorn flower, upper lotus and lower willow, big one arrow and Scherichia chinensis, wash respectively, pulverize into 100 mesh and then dry; get each raw material according to weight, mix, sterilize, in 50 heating and drying at -70°C for 2-3 hours to obtain a raw material mixture;

[0041] Place the raw material mixture in a distillation device, add 50% edible alcohol and water equivalent to 25 times the weight of the raw material mixture at 5:1 (volume ratio) and soak for 3 hours, then distill at 120°C for 2h, and collect the distillate , The resulting distillate is the composition of the present invention.

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Abstract

The invention relates to the technical field of botanical insecticide and discloses a composition for preventing and treating wheat aphids and a preparation method and application of the composition. The composition is prepared from monstera deliciosa, bojers spurge, Euphhorbia jolkini boiss, Lycoris aurea Herb and schefflera octophylla. By selecting the natural plants monstera deliciosa, bojers spurge, Euphhorbia jolkini boiss, Lycoris aurea Herb and schefflera octophylla for digestion, the plant composition containing five plant active ingredients is obtained, the composition can effectively prevent and treat the wheat aphids, and compared with pesticide containing chemical ingredients, the composition does not affect the yield and taste of crops, and is free of pollution, safe and free of residues.

Description

technical field [0001] The invention relates to the technical field of plant insecticides, in particular to a composition for preventing and treating wheat aphids, a preparation method and application thereof. Background technique [0002] Wheat aphid, one of the main pests of wheat, affects wheat photosynthesis and nutrient absorption and conduction. It overwinters in the wheat and rice piles, and the nymphs and adults cluster to suck the juice of wheat leaves, stems and spikes. The peak period of wheat aphid damage is from the earing to the grain filling stage of wheat. During the earing period, wheat aphids concentrate on the wheat ears to suck, which makes the wheat grains empty and the wheat yield decreases. Field production generally adopts chemical control methods, which have quick results, but there are problems of pesticide residues. [0003] At the same time, it affects the food safety and mouthfeel of wheat. In addition, long-term application of pesticides will...

Claims

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Application Information

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IPC IPC(8): A01N65/40A01P7/04
CPCA01N65/00A01N65/40A01N2300/00
Inventor 陈俊意徐莉
Owner 重庆医学检验试剂研究所
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