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Pesticide composition containing methoxy acrylic bactericide and application thereof

A technology of methoxyacrylic acid and pesticide composition, which is applied in the direction of fungicides, applications, and biocides, and can solve the problems of easy drug resistance and single action site, so as to overcome drug resistance of germs, reduce pollution, and improve The effect of the control effect

Active Publication Date: 2010-04-07
SHENZHEN NOPOSION AGROCHEM
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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, and there have been reports in Europe that powdery mildew bacteria are resistant to azoxystrobin, etc.

Method used

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  • Pesticide composition containing methoxy acrylic bactericide and application thereof
  • Pesticide composition containing methoxy acrylic bactericide and application thereof
  • Pesticide composition containing methoxy acrylic bactericide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0024] Bioassay Example 1: Indoor Toxicity Determination of Rice Blastamide and Kresoxim-methyl Compound to Rice Magnaporthe grisea

[0025] Test object: rice blast fungus collected from the field

[0026] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", pot method. Select rice seedlings at the three-leaf stage with consistent growth potential, 2 seedlings per pot, and 5 pots of rice seedlings for each treatment. The rice blast fungus was cultured on the tomato juice oat agar medium, and after spore production, the spores were washed with sterile water to make 1×10 5 spores / mL suspension was evenly sprayed and inoculated on the test rice seedlings, and after inoculation, they were covered with black plastic bags to keep moisture and cultivated for 24 hours. 24 hours after inoculation, carry out medicament treatment, set 5 concentration gradients for each medicament, and spray at 50PSI pressure with a Potter spray tower, about...

example 2

[0042] Bioassay Example 2: Indoor Toxicity Determination of Rice Blastimid and Azoxystrobin to Rice Sheath Blight

[0043] Test object: Rice sheath blight fungus collected from the field

[0044]Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", broad bean detached leaf method. Rice sheath blight fungus is cultivated with PDA medium, and when the bacterial colony just covers the petri dish, a puncher with an inner diameter of 5 mm is used to punch holes from the edge, and the resulting mycelium block is used as an inoculum. Select broad bean leaves with the same leaf position, 10 leaves for each treatment, soak in the prepared medicinal solution for 10 minutes, take them out to dry, and put them into a petri dish covered with moisturizing paper. Five concentration gradients were set for each drug. Finally, the mycelium block was placed upside down and connected to the center of the leaf, and cultivated in a constant temperature...

example 3

[0051] Bioassay Example 3: Indoor Toxicity Determination of Rice Aspergillus oryzae Oxyza

[0052] Test object: rice smut fungus collected from the field

[0053] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1154.7-2006", mycelium growth rate method. Oryza smut is cultivated with PDA medium. When the bacterial colony is just full of the petri dish, a puncher with an inner diameter of 7 mm is punched from the edge, and the resulting mycelium block is used as an inoculum. Take 5 mL of the prepared drug solution and mix them with quantitative 75 mL of sterilized medium to make 4 drug-containing plates, and use the same amount of sterile water mixed with the medium as a control. Put the hyphae upside down and connect them to the center of the plate, and culture them in a 28°C incubator. After 7 days, the colony diameter was measured by the cross method, and the net mycelial growth and mycelial growth inhibition rate of each treatment were ...

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Abstract

The invention relates to a pesticide composition comprising the effective components of fenoxanil (A) and methoxy acrylic bactericide (B), wherein the methoxy acrylic bactericide is selected from kresoxim-methyl, azoxystrobin, SYP-1620, trifloxystrobin, enestroburin, Pyraclostrobin, benzene kresoxim and the like, and the mass proportion of the A to the B is 30:1-1:50. After the fenoxanil and the methoxy acrylic bactericide are compounded, the pesticide composition has an obvious synergistic action and is mainly used for preventing and treating rice diseases.

Description

Technical field [0001] The present invention relates to a pesticide composition and its application, in particular to a compound composition containing methoxyacrylates and its application in crop disease control. Background technique [0002] Rice is one of my country's main food crops. Its planting area accounts for about 1 / 4 of the country's cultivated land, and its annual output accounts for about 1 / 2 of the country's total grain output. However, due to the occurrence of rice diseases every year, the output is reduced by up to 20% - 40%. Rice blast and sheath blight occur in large areas, are highly prevalent, and cause serious damage. They are important diseases in rice. With the long-term use of conventional pesticides such as tricyclazole, riceblastin, and carbendazim, the resistance of rice blast fungus and sheath blight has become more and more serious, and the control effect has declined. The increased resistance of pathogens has led to frequent pesticide applicati...

Claims

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Application Information

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IPC IPC(8): A01N39/04A01N37/50A01N43/54A01N47/24A01N37/36A01P3/00
Inventor 刘胜召曹明章张洪张承来殷如龙文伯健王艳武孔建
Owner SHENZHEN NOPOSION AGROCHEM
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