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Sterilization composition for preventing and treating crop diseases

A crop disease and composition technology, applied in the field of pesticides, to achieve the effect of reducing the incidence of diseases, reducing the amount of use, and widening the bactericidal spectrum

Active Publication Date: 2017-09-29
武汉科诺生物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no relevant report about the compound synergistic bactericidal composition of tetramycin and Jinggangmycin A at present

Method used

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  • Sterilization composition for preventing and treating crop diseases
  • Sterilization composition for preventing and treating crop diseases
  • Sterilization composition for preventing and treating crop diseases

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Combined toxicity test of tetramycin and Jinggangmycin A

[0018] Test target: rice sheath blight (Rhizoctonia solani, Thanatephorus cucumeris provided by Huazhong Agricultural University).

[0019] Test materials: tetramycin: provided by Liaoning Weike Biological Engineering Co., Ltd. Jinggangmycin A (validamycin A) was provided by Wuhan Kenuo Biotechnology Co., Ltd.

[0020] Test method: NY / T1156.18-2013 E medium method is adopted. On the basis of the preliminary test, use the aqueous solution containing 0.05% Tween 80 as the solvent, take the medicinal solution of each single agent and mixed agent series concentration, and process the previously melted sterilized E medium according to the test treatment under aseptic conditions. Quantitatively add to a sterile Erlenmeyer flask, quantitatively absorb the medicinal solution from low concentration to high concentration, add to the Erlenmeyer flask and shake well, and then import it into 4 petri dishes, each...

Embodiment 2

[0034] Embodiment two: the field efficacy test of the present invention preventing and treating rice sheath blight

[0035] Test drug: Tetramycin: Jinggangmycin A (ratio of active ingredients) = 1:15, 0.3% sodium benzoate (preservative), deionized water to make up to 100% (solvent), and canned after stirring.

[0036] Basic conditions of the test: The test site was Linze Village, Renhe Town, Hongze County, Huai'an City, Jiangsu Province, and the time was August 11, 2016. Each treatment was replicated four times, and the plots were randomly arranged. Each plot had an area of ​​40-50m 2 In the early stage of rice sheath blight, use a knapsack sprayer mixed with water to spray evenly. Investigation method: set two points on the diagonal of each plot, and set 25 clumps at each point in a straight line. 7 days and 14 days after spraying, investigate the disease index of each plot, calculate the control effect, and conduct Duncan's new complex range analysis.

[0037] Disease index...

Embodiment 3

[0042] Embodiment three: the field efficacy test of the present invention's prevention and treatment of rice false smut

[0043] Basic conditions of the test: The test site is Liantang Village, Liuhu Town, Xinjian District, Nanchang City, Jiangxi Province. Each treatment has four replicates. The plots are randomly arranged, and the area of ​​each plot is 40-50m 2 , the first time of application was August 29, 2016 (5 days before the rice main stem ear breaks), and the second time was September 15, 2016 (full ear stage), using a knapsack sprayer to mix water and spray evenly .

[0044]Investigation method: 20 clumps were investigated by the parallel line jumping method in each plot, and the grading standard of 0-9 was used for investigation. Grade 0: no diseased kernels; Grade 1: 1 curve ball per ear; Grade 3: 2 curve balls per ear Ball; Grade 5: 3-5 curve balls per ear; Grade 7: 6-9 curve balls per ear; Grade 9: more than 10 curve balls per ear; Investigate the control effect...

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Abstract

The invention discloses a sterilization composition for preventing and treating crop diseases, belonging to the technical field of pesticides. The sterilization composition is prepared by compounding tetramycin with validamycin A in a mass ratio of 1 to (1-60). The sterilization composition has the beneficial effects that the prevention effects on rice sheath blight disease, false smut, chili damping off, wheat scab, rice bacterial stripe and cucumber bacterial angular leaf spot are improved, the sterilization composition is safe to target crops, the sterilization spectrum is expanded, and the lasting period is prolonged, so that the cost is beneficially lowered, the production benefit is increased, and the sterilization composition is of a very important significance to the social development.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a fungicidal composition for preventing and treating crop diseases. Background technique [0002] Tetramycin, also known as Wuningmycin, is a metabolite produced by the fermentation of Streptomycesa hygroscopicus subsp. Wuzhouensis n.subsp. It is composed of four components of japonica, low toxicity, strong systemic property, high bactericidal activity, and wide bactericidal spectrum. Killing effect. In the prevention and control of agricultural diseases, rice sheath blight, wheat scab, pepper blight, fruit tree rot, canker, apple leaf spot, cotton yellow (wilt) wilt, soybean root rot, ginseng and notoginseng Black spot, tea cake disease, grape white rot, etc. have good control effects, and have the characteristics of promoting callus healing, weak seedling root system development, aging root system regeneration, and disease resistance. [0003] Jinggangmycin is a kind of aminoglucos...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/16A01P1/00A01P3/00
CPCA01N43/16A01N43/90
Inventor 胡虓王晓辉孙刚忠刘华梅周波霍瑞龚永华
Owner 武汉科诺生物科技股份有限公司
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