Bactericidal composition containing triazole class compounds

A composition and technology of triazoles, which are applied in the direction of fungicides, biocides, and biocides, can solve the problems of decreased control efficiency and drug resistance, and achieve the goals of reducing pollution, reducing dosage, and delaying drug resistance of bacteria 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, if this type of fungicide is used alone for a long time, the control effect will decrease, and it will face the risk of drug resistance. At the same time, this type of fungicide will have a certain inhibitory effect on the growth of crops when the dosage is exceeded

Method used

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  • Bactericidal composition containing triazole class compounds
  • Bactericidal composition containing triazole class compounds
  • Bactericidal composition containing triazole class compounds

Examples

Experimental program
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Effect test

example 1

[0017] Bioassay Example 1: Indoor Toxicity Determination of Rice Blastamide and Tebuconazole Compound to Rice Magnaporthe grisea

[0018] Test object: rice blast fungus collected from the field

[0019] 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 5m...

example 2

[0030] Bioassay Example 2: Indoor Toxicity Determination of Rice Blasticamide and Hexaconazole Compound to Rice Sheath Blight

[0031] Test object: Rice sheath blight fungus collected from the field

[0032] 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 constan...

example 3

[0041] Bioassay example 3: Indoor toxicity determination of rice blastamide and propiconazole compound against rice smut

[0042] Test object: rice smut fungus collected from the field

[0043]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 inhibitio...

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Abstract

The invention relates to a bactericidal composition comprising the effective components of fenoxanil (A) and one of triazole class compounds (B), wherein the triazole class compounds are selected from tebuconazole, difenoconazole, difenoconazole diniconazole, propiconazole, triazolone, triadimenol and the like, the mass proportion of the A to the B is 30:1-1:50, and the rest is auxiliary components which are permitted to be used and can be accepted in pesticide. The bactericidal composition can be prepared into any one medicament form which is suitable for agriculture to use by a known method, and the better medicament form is wettable powder, oil emulsion, suspension agent, moisture dispersive granules, water emulsion and micro-emulsion. After the fenoxanil and any one selected triazole class compound are compounded according to a certain proportion, the bactericidal composition has an obvious synergistic action and is mainly used for preventing and treating rice diseases.

Description

technical field [0001] The invention relates to a bactericidal composition, in particular to a compound bactericidal composition containing blastamide and triazole compounds. Background technique [0002] Rice is one of the main grain crops in my country, and its annual output accounts for about 1 / 2 of the country's total grain output. However, due to the occurrence of rice diseases, the output decreases by 20%-40% every year. Rice blast and sheath blight are important diseases of rice with large occurrence area, high prevalence and serious damage. With the long-term use of conventional pesticides such as tricyclazole and rice blast, the resistance of rice blast fungus and sheath blight fungus has become more and more serious, and the control effect has declined. Due to the enhanced resistance of pathogens, it leads to frequent application of pesticides and increases the burden on farmers and environmental pollution. Therefore, it is urgent to find new fungicides with high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N39/04A01P3/00
Inventor 刘胜召张洪张承来曹明章殷如龙文伯健王艳武孔建
Owner SHENZHEN NOPOSION AGROCHEM
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