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Compound bismerthiazol paddy rice disease prevention and control composition

A compound equatazole, rice disease technology, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve problems such as decreased control effect and the like

Inactive Publication Date: 2018-12-21
蔡志浩 +7
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after decades of extensive use, the control effect of Yebuazole on rice bacterial blight has begun to decline.

Method used

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  • Compound bismerthiazol paddy rice disease prevention and control composition
  • Compound bismerthiazol paddy rice disease prevention and control composition
  • Compound bismerthiazol paddy rice disease prevention and control composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] 1. In vitro antibacterial activity experiment

[0016] (1) Test method

[0017] Adopt turbidity method, tested the inhibitory activity of each experimental drug to rice bacterial blight (Xanthomonasoryza epv.oryzae (Xoo)), concrete operation steps are as follows:

[0018] A. Add 1000mL sterilized distilled water into a 2000mL beaker, add 5.0g peptone,

[0019] Yeast powder 1.0g, glucose 10.0g, beef extract 3.0g, after stirring evenly, adjust the pH to neutral (7.2±0.2) with sodium hydroxide aqueous solution;

[0020] B. Clean and sterilize the test tubes and put them on the test tube rack. Use a pipette gun to pipette 4.0mL of the solution in step A into each test tube and then add a rubber stopper. Pack each 6 test tubes once. Use a sterilizing pot at 121 Sterilize at ℃ for 20 minutes before use;

[0021] C. Weigh 0.00375-0.0042g of the sample to be tested in a centrifuge tube, dissolve it with 150 μL DMSO, pipette 80 μL and 40 μL into sterilized numbered centrifuge...

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Abstract

The invention relates to a compound bismerthiazol paddy rice disease prevention composition. The compound bismerthiazol paddy rice disease prevention composition is prepared from at least one auxiliary material and bismerthiazol and 3-(5-(2-chlorphenyl)-1,3,4-oxadiazole-2-sulfenyl)-1-(4-methyl phenyl)-4-hydroxyl-pyroline-2-ketone(A20), and the content of active ingredients in the composition is 15to 30 percent. The composition is prepared into wettable powder, and the auxiliary material comprises a dispersing agent, a wetting agent, a suspension aid and a carrier. The dispersing agent is selected from one or more of sodium lignin sulfonate, calcium lignosulfonate, sodium naphthalene sulfonate formaldehyde condensate (NNO), alkylphenol polyoxyethylene ether formaldehyde condensate sulfate(SOPA), polyoxyethylene sorbitan monooleate, and nekal BX; the wetting agent is lauryl sodium sulfate; the suspending agent is hydroxypropyl methyl cellulose; and the carrier is selected from at leastone of talcum powder, attapulgite, diatomite and kaolin.

Description

technical field [0001] The invention relates to a composition for controlling rice diseases, in particular to a composition containing eubaconazole. Background technique [0002] Rice bacterial blight is one of the main diseases of rice in China. It occurs in various rice areas in my country. It is a crop disease caused by Xanthomonas oryzae. The pathogen usually enters the host vascular bundle through wounds or water holes, and along the The vascular bundle spreads, reproduces in a large number in the xylem, and finally spreads to the whole plant, resulting in continuous expansion and aggravation of the disease, resulting in a reduction in yield of up to 20% to 30%, and even 50% to 60% in severe cases. N,N'-methylene-bis(2-amino-5-thio-1,3,4-thiadiazole) (CAS: 79319-85-0). Also known as Yekuzol and Yekuning, it is a plant antibacterial agent independently developed in my country, which is widely used to control various bacteria and fungi including rice bacterial blight, bac...

Claims

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Application Information

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IPC IPC(8): A01N43/82A01P1/00A01P3/00
CPCA01N43/82
Inventor 赵虹侯波杨会冬王静李强张志刚黄冬华
Owner 蔡志浩