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Boscalid-containing bactericidal composition

A technology of boscalid and composition, which is applied in the field of fungicidal compositions, can solve the problems of effective control of unfavorable diseases, etc., and achieve the effects of reducing field dosage, delaying disease resistance, reducing environmental pollution and pesticide residues

Inactive Publication Date: 2013-03-06
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, long-term single use of boscalid is not conducive to the effective control of diseases, and long-term single continuous use and incremental use will cause a great risk of resistance

Method used

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  • Boscalid-containing bactericidal composition
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  • Boscalid-containing bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Bioassay Example 1: Toxicity determination of boscalid and polyoxin compounded against wheat powdery mildew

[0015] Test object: Wheat powdery mildew pathogen

[0016] Test method: refer to "People's Republic of China Agricultural Industry Standard NY / T1156.4-2006", pot method. Select three-to-four-leaf potted wheat seedlings with consistent growth vigor, and select three pots of wheat seedlings for testing for each treatment, numbered for future use. Wheat powdery mildew diseased leaves collected from the field were evenly shaken off the conidia on the wheat seedlings for inoculation, and medicament treatment was carried out 24 hours later. Spray evenly with a spray tower, each treatment 10mL. Five concentration gradients were set for each agent, and the same amount of water was sprayed as the blank control. After spraying, the wheat seedlings were put into the greenhouse for cultivation, and after 7 days, the incidence of the whole plant was investigated according...

example 2

[0026] Bioassay example 2: Toxicity determination of boscalid and polyoxin combined against cucumber powdery mildew

[0027] Test object: Cucumber powdery mildew (Sphaerotheca fuligenea), collected from the field and cultivated indoors

[0028] Test method: refer to the potted method of "National Agricultural Industry Standard NY / T 1156.11-2008 of the People's Republic of China". Two potted cucumber seedlings with basically the same growth potential were selected as experimental materials, and three pots (two plants per pot) were selected for each treatment, and the numbers were used for testing. Take cucumber powdery mildew diseased leaves from the field, shake off the conidia evenly above the cucumber seedlings for inoculation, and perform chemical treatment 24 hours after inoculation. Spray evenly with a spray tower, each treatment 10mL. There were 5 concentration gradients for each agent, and the same amount of water was sprayed as the blank control. After drying, light...

Embodiment 3

[0034] Biological Assay Example 3: Toxicity Determination of Boscalid and Polyoxin Compounded to Cucumber Botrytis

[0035] Test object: Cucumber Botrytis cinerea (collected from the field and separated and purified)

[0036] Test method: The test refers to "Pesticide Bioassay Technology" (Edited by Chen Nianchun, published by Beijing Agricultural University Press), and "Pesticide Indoor Bioassay Test Guidelines NY / T1156.10-2008", using the indoor potted method of cucumber gray mold . Cucumber Botrytis cinerea was cultured on PDA medium. After the spores were produced, the spores were washed with sterile water and filtered with 2 layers of gauze to make a suspension with a concentration of 1×105 spores / ml for later use. On the basis of the preliminary test, select 2 melon seedlings at the true leaf stage and with the same growth, write the label number with an oily marker, insert them into potted cucumber seedling pots, and arrange them in sequence. Using the stem-leaf spray...

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Abstract

The invention relates to a bactericidal composition, comprising the effective constituents of boscalid and polyoxins in a mass ratio of 50: 1 to 1: 50. The composition disclosed by the invention has an obvious synergistic effect, and can be used for disease prevention and control for crops such as fruit trees, wheat, rice and vegetables.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing boscalid. Background technique [0002] Boscalid, English common name Boscalid, chemical name is 2-chloro-N-(4'-chlorobiphenyl-2-yl) nicotinamide, which is a new type of nicotinamide fungicide. The mechanism of action is to inhibit fungal respiration. Boscalid is an inhibitor of succinate coenzyme Q reductase in the mitochondrial respiratory chain, which can inhibit spore germination, extension of bacterial tubes, growth of hyphae, and growth and reproduction of fungi that form spore mother cells. . [0003] However, long-term single use of boscalid is not conducive to the effective control of diseases, and long-term single continuous use and incremental use will cause a great risk of resistance. Contents of the invention [0004] The purpose of the present invention is to provide a safe and efficient fungicidal composition suitable for agric...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N43/40A01P3/00
Inventor 曲哲张洪唐彩乐张承来曹明章张华东王新军
Owner SHENZHEN NOPOSION AGROCHEM
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