Bactericidal composition containing benziothiazolinone and methoxyl acrylic ester type bactericides

A methoxyacrylic acid and composition technology, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of easy generation of drug resistance, single action site, etc., to reduce the dosage, reduce pollution, and delay resistance. medicinal effect

Active Publication Date: 2011-09-07
陕西西大华特科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the single site of action, it is easy to produce drug resistance

Method used

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  • Bactericidal composition containing benziothiazolinone and methoxyl acrylic ester type bactericides
  • Bactericidal composition containing benziothiazolinone and methoxyl acrylic ester type bactericides
  • Bactericidal composition containing benziothiazolinone and methoxyl acrylic ester type bactericides

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Pot experiment on cucumber downy mildew with compound thiamethoxam and dikestrobin

[0019] Test object: Cucumber downy mildew (pseudoperonospora cubensis) collected from the field

[0020] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1156.11-2008". Two cucumber seedlings at the true leaf stage with basically the same growth were selected as experimental materials for the pot planting method, and 5 pots of cucumber seedlings were selected for each treatment, numbered for testing. Take it from the leaves of cucumber downy mildew in the field, wash the pathogens with sterile water with a brush, prepare a suspension of spore bundles with a concentration of 3×105 spore bundles / ml, and spray and inoculate them on the leaves of cucumber fungus (10 ml per treatment) ). Moisture culture after inoculation, 24h after the drug treatment. See Table 1 for test agents. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Th...

example 2

[0032] Toxicity determination of compound thiamethoxam and kresoxim-methyl against wheat powdery mildew pathogen

[0033] Test object: Wheat powdery mildew bacteria collected from the field

[0034] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006". Wheat powdery mildew diseased leaves collected from the field were evenly shaken off the conidia above the wheat seedlings for inoculation, and treated with chemicals 24 hours later. See Table 2 for the test chemicals and toxicity test results. The calculation formulas of ATI, TTI and CTC are the same as those in Bioassay Example 1.

example 3

[0036] Indoor toxicity determination of thiamethoxam and azoxystrobin compound against Botrytis cinerea

[0037] Test object: Cucumber Botrytis cinerea collected from the field

[0038] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. Cucumber Botrytis cinerea was cultivated with PDA medium. When the bacterial colony was just overgrown with the petri dish, a puncher with an inner diameter of 7 mm was punched from the edge, and the resulting mycelium block was used as an inoculum. Take 5ml of the prepared medicinal solution and mix them with quantitative 75ml of sterilized medium to make 4 plates containing the medicine, and use the same amount of sterile water mixed with the medium as a control. Place the mycelium block upside down and connect it to the center of the plate, and culture it in a 28°C incubator. After 7 days, the colony diameter was measured by the cross method, and the net mycelial ...

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Abstract

The invention relates to a bactericidal composition. The bactericidal composition comprises the following active ingredients: A, benziothiazolinone; and B, a methoxyl acrylic ester type bactericide such as kresoxim-methyl, ZJ0712, azoxystrobin, trifloxystrobin, enestroburin and SYP-1620, wherein the mass ratio of the A to the B is 50:1 to 1:50, preferably 10:1 to 1:20, and the balance is auxiliary materials which are allowed and acceptable in pesticide. The composition can be prepared into any formulation suitable for agricultural use by known methods, and the preferable formulations are wettable power, suspension, water dispersible granules and aqueous emulsion. After the combination of the benziothiazolinone and the methoxyl acrylic ester type bactericides, the synergism is obviously achieved, and the bactericidal composition can be mainly used for preventing and controlling deceases of plants such as vegetables, fruit trees, rice and wheat.

Description

Technical field [0001] The present invention relates to a bactericidal composition, especially a composition containing thiadiazole and methoxyacrylate fungicides, which is mainly used for disease prevention and control of vegetables, fruit trees, rice, wheat and other crops. Background technique [0002] In recent years, due to single use of drugs and unscientific use of drugs, many pathogenic bacteria have become resistant to currently used pesticides. Resistance to powdery mildew, gray mold, downy mildew, etc. is very common and has become a major problem in chemical control. . In some areas where the disease is serious, conventional pesticides are difficult to control when used alone, and the effect is very poor, seriously affecting the high yield of grain. As pathogenic bacteria develop resistance, farmers frequently apply pesticides, which increases the burden and environmental pollution. Therefore, there is an urgent need for new varieties of fungicides that are eff...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/54A01N37/50A01N37/36A01P3/00
Inventor 王鹏宋迪生吴泽和李敏李媛
Owner 陕西西大华特科技实业有限公司
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