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A kind of biopesticide composition for preventing and treating rice sheath blight and preparation method thereof

A technology for rice sheath blight and biological pesticides, which is applied in the field of pollution-free pesticides, can solve the problems of unsuitability for industrial production, low rice sheath blight control effect, and unsatisfactory effect, and achieves small impact, good weeding effect and effect. significant effect

Inactive Publication Date: 2015-08-19
苏州市阳澄湖现代农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in recent years, there is generally insufficient amount of medicinal liquid used by farmers, and rice sheath blight occurs mainly in the middle and lower parts of rice. Due to insufficient medicinal liquid, it is difficult for live bacteria to reach the diseased part. This is the effect of biological pesticides on rice grains. Blight control efficiency is slightly lower than one of the main factors of chemical pesticides
At present, there are also some plant pesticides extracted from Sophora flavescens, but the formula is unreasonable, the effect is not ideal, and it is not suitable for industrial production. The market is in urgent need of a plant that is conducive to environmental protection, can effectively sterilize and weed, and can be suitable for large-scale production. pesticide

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: the preparation of bactericidal herbicide formulation

[0013] A biopesticide composition for preventing and treating rice sheath blight, which is prepared from the following raw materials in parts by weight: 5-10 parts of matrine, 2-30 parts of Jinggangmycin, 10-30 parts of trisiloxane polyoxyethylene ether 24 parts, 20-30 parts of Zanthoxylum bungeanum, 20-30 parts of Ginkgo seed coat, 20-30 parts of Cnidium chinensis, 10-30 parts of neem bark, 15-25 parts of Shi Junzi, 1-15 parts of gallnut, 5-15 parts of hair holly , 55-60 parts of sapindus seed coat, 10-15 parts of Chinese catkins, 5-15 parts of camphor, 5-15 parts of wood turtle, 10-15 parts of Solanum bark, 5-15 parts of sodium humate, preserved 10-25 parts of amino acid, 15-20 parts of methionine, 16-23 parts of glycine, 26-33 parts of threonine, 5-15 parts of tyrosine, 30-50 parts of Kewenling, 10-20 parts of water share;

[0014] Preferably, it is prepared from the following raw materials in p...

Embodiment 2

[0016] Embodiment 2: the bacteriostasis test effect of bactericidal herbicide formulation

[0017] The bactericidal and herbicidal pesticide that the embodiment of the present invention 1 makes control rice sheath blight field efficacy test:

[0018] There are 3 treatments in each test, 4 repetitions, each plot area is 10m2, and the test design is carried out according to a completely random design, wherein A: clear water blank control; B: compound carbendazim 800 times dilution positive control; C: this A 300-fold dilution of the botanical pesticide of the invention. The drug was administered 4 times with an interval of 7 days.

[0019] Survey content and data processing: 30 samples were randomly selected in each plot, surveyed before drug application and 7 days after the fourth irrigation, and the number of diseased plants was recorded. Yield survey was carried out when harvesting, and each plot was collected individually and weighed separately.

[0020] Incidence rate (%...

Embodiment 3

[0023] Embodiment 3: the control weed test effect of bactericidal herbicide formulation

[0024] Field efficacy test of bactericidal and weeding pesticides prepared in Example 1 of the present invention to control ragweed, creeping bentgrass, bluegrass and bermudagrass:

[0025] There are 3 treatments in each test, 4 repetitions, each plot area is 10m2, and the test design is carried out according to a completely random design, wherein A: clear water blank control; B: compound carbendazim 800 times dilution positive control; C: this A 300-fold dilution of the botanical pesticide of the invention. The drug was administered 4 times with an interval of 7 days.

[0026] Survey content and data processing: 30 samples were randomly selected in each plot, surveyed before drug application and 7 days after the fourth irrigation, and the number of diseased plants was recorded. Yield survey was carried out when harvesting, and each plot was collected individually and weighed separately...

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PUM

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Abstract

The invention relates to a biological pesticide composition for preventing and treating rice sheath blight disease, which is prepared from the following raw materials in parts by weight: 5-10 parts of matrine, 2-30 parts of validamycin, 10-24 parts of trisiloxane polyethenoxy ether, 20-30 parts of pepper, 20-30 parts of gingko seed coat, 20-30 parts of fructus cnidii and the like. The seed dressing provided by the invention can be used for soil treatment after planting before seedling, and has the characteristic of farmland weed eradication and broad-spectrum sterilization. Compared with the prior art, the formulation provided by the invention has the characteristics of favorable weed eradication effect, high safety for environment and the like, and the weed can not easily generate drug resistance, thereby having wide application prospects.

Description

technical field [0001] The invention belongs to the technical field of pollution-free pesticides, and relates to a biopesticide bactericide, in particular to a biopesticide composition for preventing and treating rice sheath blight and a preparation method thereof. Background technique [0002] Plants will encounter various diseases and insect pests during their growth in nature, especially fungal diseases. There are many types and serious diseases. For example, gold disease, red gold disease, and black gold disease are common and difficult to control on many crops. Diseases have brought huge losses to agricultural production, and mainly occur in the tender seedlings, buds, shoots and other parts of crops. When severe, the leaves withered, curled, turned brown, and died. At present, a large number of chemical means are used for prevention and control. The main agents used for the prevention and treatment of powdery mildew in China are methyl. Harmful, and there are residues...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/36A01P3/00A01P13/00
CPCY02A50/30
Inventor 沈建明
Owner 苏州市阳澄湖现代农业发展有限公司