Compound bactericidal composition containing fludioxonil

A composition, the technology of fludioxonil, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of weak control effect on bacterial diseases, improper use methods, and decreased control effect, so as to reduce the dosage of drugs and reduce the The effect of production and use costs and reduction of selection pressure

Active Publication Date: 2010-03-17
山东兆丰年生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The control effect of hymexazol on bacterial diseases is relatively weak, and because there are few types of pesticides for the control of soil-borne diseases, the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Bioassay Example 1: Indoor Toxicity Determination of Fludioxonil and Hymexazol on Fusarium Root Rot of Capsicum

[0019] Test object: Capsicum root rot Fusarium solani collected from the field

[0020] Test method: using mycelial growth rate method. Fusarium capsicum root rot was cultivated with PDA medium, and when the colony was just full of the petri dish, a puncher with an inner diameter of 7 mm was punched from the edge, and the resulting mycelium block was used as an inoculum. Take 5 mL of the prepared drug solution and mix them with quantitative 75 mL of sterilized medium (45°C) to make 4 drug-containing plates, and use the same amount of sterile water mixed with the medium as a control. After the mycelium block was inverted and connected to the center of the plate, the plate was placed in a 28°C incubator for cultivation. After 7 days, the colony diameter was measured by the cross method, and the net mycelial growth and mycelial growth inhibition rate of each ...

example 2

[0029] Biological Assay Example 2: Indoor Toxicity Determination of Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Fusarium Compounded with Fludioxonil and Hymexazol

[0030] Test object: Watermelon Fusarium oxysporum collected from the field

[0031] Test method: using mycelial growth rate method. Fusarium wilt of watermelon was cultivated with PDA medium, and when the colonies had just overgrown the petri dish, a puncher with an inner diameter of 7 mm was used to punch holes from the edge, and the resulting mycelium block was used as an inoculum. Take 5 mL of the prepared drug solution and mix them with quantitative 75 mL of sterilized medium (45°C) to make 4 drug-containing plates, and use the same amount of sterile water mixed with the medium as a control. After the mycelium block was inverted and connected to the center of the plate, the plate was placed in ...

Embodiment 1

[0040] Embodiment 1: 10.5% fludioxonil·hymexazol wettable powder

[0041] Fludioxonil 10%

[0042] Hymexazol 0.5%

[0043] Sodium Lauryl Sulfate 2%

[0044] Sodium lignosulfonate 5%

[0045] White carbon black 10%

[0046] Kaolin tops up to 100%.

[0047] The active ingredients, various additives and fillers are fully mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, a 10.5% fludioxonil·hymexazol wettable powder is obtained.

[0048] This embodiment is used for preventing and treating watermelon wilt. The 10.5% fludioxonil·hymexazol wettable powder was diluted 5000 times with water to irrigate the roots, and the control effect was 91.3% 7 days after the application. 2.5% fludioxonil suspension concentrate and 30% hymexazol water preparation were used 1000 times by the same method, and the control effects were 82.3% and 75.8% respectively after 7 days of treatment. The synergistic effect of fludioxonil and hymexazol ...

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PUM

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Abstract

The invention relates to a compound bactericidal composition containing fludioxonil and use thereof. The effective components of the composition are fludioxonil and hymexazol, the mass ratio of portions of fludioxonil and hymexazol is 20:1 to 1:50. The bactericidal composition has relatively strong synergistic action, widens disease prevention and treatment spectrum, can prevent germ from generating resistance or delay the development speed of resistance, prolongs the use life of the pesticide, and reduces the use cost and pesticide residue. The compound bactericidal composition can prevent and treat fusarium patch, rice seedling rot, pythium aphanidermatum, fusarium wilt, verticillium wilt, sclerotinia sclerotiorum, colletotrichum lagenarium, phytophthora blight, fusarium wilt, cladosporium cucumerinum, sclerotium erwinia carotovora, seedling blight, stem wilt and leaf blight, and is particularly suitable for preventing and treating crop soil diseases resulted from pathogen fungus such as fusarium graminearum schwabe, rhizoctinia, pythium aphanidermatum, seedling rot fusoma, phytophthora capsici and the like.

Description

technical field [0001] The invention relates to an agricultural fungicidal composition and its application, in particular to a fungicidal composition with fludioxonil and hymexazol as main active ingredients and its application. Background technique [0002] During the growth and development of crops, they are vulnerable to various diseases, especially fungal diseases, which are of various types and cause serious harm. Soil-borne fungal diseases are even more difficult to control plant diseases, and it goes without saying that they cause damage to crop growth and yield. For a long time, chemical control has been the main effective means to control soil-borne diseases. Due to unscientific farming methods such as continuous cropping for many years, the pathogenic bacteria in the soil have accumulated for many years and cannot be effectively removed. In addition, single drug use and other unscientific drug use methods have resulted in a variety of soil-borne pathogenic bacteri...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/36A01P3/00
Inventor 殷如龙张承来曹明章张洪孔建
Owner 山东兆丰年生物科技有限公司
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