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Composition for plant protection

A composition, crop technology, applied in the directions of plant growth regulators, botanical equipment and methods, biocides, etc.

Inactive Publication Date: 2010-02-10
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But long-term single use will have a great risk of resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0027] Biological Assay Example 1: Indoor Toxicity Determination of Compound Composition of the present invention to Cucumber Downy Mildew

[0028] Test object: Cucumber downy mildew (Pseudoperonospora cubensis)

[0029] The potted method was used in this experiment. Two cucumber seedlings at the true leaf stage with the same growth were selected, and 5 pots of cucumber seedlings for testing were selected for each treatment, and the numbers were reserved for future use. Spray with a Potter spray tower at a pressure of 50PSI, 5mL per pot. Five concentration gradients were set for each agent, and the same amount of water sprayed was used as the blank control. Spray and inoculate the sporangia suspension of cucumber downy mildew after 24 hours of chemical treatment. sporangia, the concentration is 3×10 5 sporangia suspension per mL. After inoculation, the cucumber seedlings were placed in an artificial climate box (relative humidity 100%, temperature 15-20°C) for cultivation...

Embodiment 1

[0074] Example 1: 10.2% Iprocarbam·Metalaxyl Suspension Concentrate

[0075] Iprocarbam 10%, metalaxyl 0.2%, sodium methylnaphthalene sulfonate formaldehyde condensate 10%, sodium lignosulfonate 10%, xanthan gum 1%, silicone oil 1%, glycerol 5%, water Top up to 100%.

[0076] This embodiment is applied to the control of cucumber downy mildew. The 10.2% iprocarbam·metalaxyl suspension concentrate was diluted with water according to the dosage of 100g a.i. / ha (g a.i. / ha is the dosage of active ingredients per hectare), and the control effects of 7 days and 15 days after the drug were respectively 90.1 %, 87.2%. 10% Iprocarbam Suspension Concentrate is used at 120g·a.i. / ha and 15% Metalaxyl Suspension Concentrate is at 800g·a.i. / ha, and used in the same way. 7 days and 15 days after the application of 10% iprocarbam suspension, the control effects were 82.1% and 78.2% respectively; 7 days and 15 days after the application of 15% metalaxyl suspension, the control effects were 7...

Embodiment 3

[0080] Embodiment 3: 30% iprocarbam·furalaxyl suspension concentrate

[0081] Promethamid 20%, furalaxyl 10%, nonylphenol polyoxyethylene ether phosphate 8%, carboxymethyl cellulose 1%, white carbon black 1%, glycerol 4%, water to 100% .

[0082] This embodiment is applied to the control of lettuce downy mildew. Dilute and spray 30% iprocarbam·furalaxyl suspension concentrate with water at 150 g·a.i. / ha, and the control effects are 94.5% and 91.2% at 7 days and 15 days after application. Use the same method for 10% iprocarbam suspension at 150 g·a.i. / ha and 10% furalaxyl suspension at 300 g·a.i. / ha. 7 days and 15 days after the application of 10% iprocarbamide suspension, the control effects were 85.9% and 84.3% respectively; . The synergistic effect of the combination of iprocarbam and furaxyl was obvious, and the control effect on lettuce downy mildew was obviously better than that of single agent.

[0083] 2. Water emulsion processing and application examples

[0084]...

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Abstract

The invention relates to a bactericidal composition comprising the active components including iprovalicarb (A) and B which is one of metalaxyl, benalaxyl, furalaxyl, oxadixyl, propamocarb hydrochloride and metalaxyl-M. The mass ratio of A to B is 90:1-1:90. The composition of the invention is especially suitable for controlling the oomycete diseases of cereals, vegetables, rape, fruits, cotton and ornamental plants, including downy mildew, plagues and late blight, etc.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing iprocarbam. Background technique [0002] At present, in pest biochemical control, the problem of pest resistance is very serious. Diseases caused by Oomycetes are common in agricultural production and often cause heavy losses. For example, downy mildew occurs on many fruit trees and vegetables, and studies have shown that dimethomorph has a moderate risk of resistance to downy mildew. The compound composition with synergistic effect can reduce the risk of resistance to a certain extent, avoid the generation of resistance and delay the speed of resistance generation. [0003] Iprocarbamide, English common name iprovalicarb, chemical name 2-methyl-1-[(1-p-methylphenylethyl)carbamoyl]-(S)-propylcarbamate isopropyl ester, Bayer The amino acid fungicide newly developed by the company affects the metabolism of amino acids, and has a different mecha...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N37/46A01N43/08A01N43/76A01P3/00
Inventor 张洪张承来刘胜召殷如龙曹明章孔建
Owner SHENZHEN NOPOSION AGROCHEM
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