Sterilization composition containing ZJ5337 and methoxy acrylic ester sterilization agent

A technology of methoxyacrylic acid and ZJ5337, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems that there are no related reports about the compounding of fenoxystrobin, and achieve slow resistance generation and good crop safety , good bactericidal effect

Active Publication Date: 2015-09-16
ZHEJIANG RES INST OF CHEM IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the prior art, there is no relevant report about the co...

Method used

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  • Sterilization composition containing ZJ5337 and methoxy acrylic ester sterilization agent
  • Sterilization composition containing ZJ5337 and methoxy acrylic ester sterilization agent
  • Sterilization composition containing ZJ5337 and methoxy acrylic ester sterilization agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1, Indoor Toxicity Determination of ZJ5337 Compounded with Methoxyacrylate Fungicides to Rice Blast

[0029] Test object: Rice blast fungus (Pyricularia oryzae) was provided by the Institute of Biology, Zhejiang University.

[0030] Test method: Potted rice seedlings were sprayed and inoculated with spore suspension to determine the biological activity of the agent. The rice seedlings were cultivated until they had 2 leaves and 1 heart and were waiting for use. The test agent and the control agent were prepared into a drug solution with a preset concentration and sprayed. Each treatment was repeated 4 times. After 24 hours, take the culture dish full of spores, gently wash the fresh spores on the surface with sterile water, filter with double-layer gauze, and make a suspension with a concentration of 300,000 spores / ml, spray inoculation pressure (0.1MPa) . The inoculated test materials were moved to an artificial room (25°C), cultured in the dark at 100% humid...

Embodiment 2

[0052] Example 2, ZJ5337 combined with methoxyacrylate fungicides to determine the indoor toxicity of tomato early blight

[0053] Test object: Tomato early blight (Alternaria solai) was preserved in the strain room of this laboratory.

[0054] Test method: refer to the mycelium growth rate method in "Agricultural Industry Standard of the People's Republic of China NY / T1156.2-2006". Set 5 doses for each agent according to the content of active ingredients. Cultivate the above-mentioned pathogenic bacteria with PDA medium. When the colony is just full of 2 / 3 of the petri dish, use a puncher with a diameter of 5mm to form a bacterial block at the edge of the colony. , use an inoculation needle to move the bacterial block to the center of the pre-prepared toxic PDA medium, and then place it in a 25°C incubator for culture, and repeat 4 times for each treatment. Depending on the growth of the CK colony, use the cross method to measure the colony diameter cm of each treatment with...

Embodiment 3

[0058] Example 3, ZJ5337 and azoxystrobin, kresoxim-methyl compound pair pear scab indoor toxicity test

[0059] Test object: pear scab (Venturia pirina) is preserved in the strain room of this laboratory.

[0060] Test method: adopt the germ tube length method, set 5 doses for each drug according to the active ingredient content, and make a drug-containing tablet. Take 20 microliters of spore suspension, spread evenly on the drug-containing plate; incubate at 22°C in the dark for 10-12 hours, and then use a microscope to investigate the relative length of the spore germ tube. Investigate 5 fields of view for each concentration, and 30-40 spores per field of view. Germ tube length greater than or equal to 50% of the short diameter of the spore was considered normal germination. Taking the length of the short diameter of the spore as the unit "1", the relative length of the germ tube is the ratio of the actual length of the germ tube to the length of the short diameter of the...

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Abstract

The present invention provides a sterilization composition containing ZJ5337 and a methoxy acrylic ester sterilization agent, wherein the methoxy acrylic ester sterilization agent is one, two or three selected from azoxystrobin, kresoxim-methyl and metominostrobin, and a mass ratio of the ZJ5337 to the methoxy acrylic ester sterilization agent is 20:1-1:20. The sterilization composition of the present invention has characteristics of good sterilization effect, low medication cost and drug-resistance generation resistance, and is particularly suitable for prevention and control of rice blast, tomato early blight, soybean rust disease, and pear scab.

Description

technical field [0001] The invention belongs to the field of pesticide compositions, and in particular relates to a fungicidal composition for preventing and treating rice blast, tomato early blight, soybean rust and pear scab. Background technique [0002] Diseases such as rice blast, tomato early blight, soybean rust and pear scab are major diseases on rice, vegetables and fruit trees. When serious, they can cause a large reduction in yield and seriously endanger yield and quality. In the actual process of agricultural production, the most likely problem in disease prevention and control is the emergence of bacterial resistance. Combination of ingredients with different mechanisms of action is a very common method for preventing and controlling resistant bacteria. Tebuconazole, difenoconazole, flusilazole, and myclobutanil are triazole fungicide varieties. Pathogens develop resistance to them very quickly, and the amount of drug used alone is increasing, and the amount of...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N43/42A01P3/00A01N37/50
Inventor 胡伟群陈杰许天明张蕊蕊朱卫刚孔小林
Owner ZHEJIANG RES INST OF CHEM IND CO LTD
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