A kind of synergistic bactericidal composition and its application

A composition, the technology of fludioxonil, applied in the direction of application, fungicide, biocide, etc., can solve the problems such as difficult control of soil-borne diseases, achieve the effect of improving field effect and reducing usage

Active Publication Date: 2016-01-20
SHENZHEN NOPOSION AGROCHEM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that soil-borne diseases are difficult to control, the present invention pre-provides a high-efficiency, low-cost, and environmentally friendly pesticide combination scheme that is convenient for agricultural production and application

Method used

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  • A kind of synergistic bactericidal composition and its application
  • A kind of synergistic bactericidal composition and its application
  • A kind of synergistic bactericidal composition and its application

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Bioassay Example 1: Indoor Toxicity Determination of Fludioxonil and Salicylamine Complex to Rice Sheath Blight

[0018] Test object: Rice sheath blight (Rhizoctonia solani), collected from the field, separated and purified indoors.

[0019] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. Dissolve the original drug with acetone, dilute with 0.1% Tween 80 water, and prepare 6 series of mass concentrations. Under sterile conditions, take 5 mL of the prepared medicinal solution and mix them with 75 mL of culture medium evenly to make 4 plates containing medicine, and mix an equal amount of sterile water with the culture medium as a control. The cultivated germs are cut from the edge with a sterilized puncher with a diameter of 5mm under aseptic conditions to get the fungus cake. Use an inoculator to inoculate the fungus cake on the center of the drug-containing plate, with th...

example 2

[0028] Bioassay Example 2: Indoor Toxicity Determination of Fludioxonil and Salicylamine Complex on Tomato Damping-off

[0029] Test object: Tomato damping-off (Pythiumaphanidermatum), collected from the field, separated and purified indoors.

[0030] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. The test method and statistical method are the same as the biological assay example 1.

[0031] The results of the toxicity test are shown in Table 2.

[0032]

[0033]

example 3

[0034] Bioassay example 3: Indoor toxicity test of fludioxonil and salicylamine complex against watermelon wilt

[0035] Test object: watermelon wilt (Fusariumoxysporumf.sp.niveum.), collected from the field, separated and purified indoors.

[0036] Test method: refer to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", that is, the mycelium growth rate method. The test method and statistical method are the same as the biological assay example 1.

[0037] The results of the toxicity test are shown in Table 3.

[0038]

[0039] Tables 1, 2, and 3 indicate that fludioxonil and salicylamine have a good synergistic effect at a ratio of 50:1 to 1:50, and the co-toxicity coefficients are all above 120. Especially between 20:1~1:20, it shows a more obvious synergistic effect, and the co-toxicity coefficient is above 130; between 10:1~1:10, it shows a more obvious synergistic effect, a total of The toxicity coefficient is above 160

[0040] The fu...

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Abstract

The invention relates to a synergistic sterilization composition. Effective components of the composition comprise fludioxonil and trichlamide. A mass ratio of fludioxonil to trichlamide in the composition is 50:1-1:50. The synergistic sterilization composition can be processed through routine means to prepare a suspension, a seed coating agent, a seed dressing agent, a granule, missible oil, a wettable pulvis and a water dispersible granule, wherein the effective components account for 1-80% of the total weight of the composition preparation. The above antifungal composition can be mainly used preventing and treating soil borne diseases of field crops and economic crops.

Description

technical field [0001] The present invention relates to a synergistic fungicidal composition and its use for controlling plant diseases. Background technique [0002] In recent years, due to the gradual increase in the planting frequency of agricultural land, the occurrence of soil-borne diseases has become more and more common, seriously affecting the yield and quality of agricultural products. Soil-borne diseases such as wheat root rot, rice bakanae disease, and cotton blight have become key factors restricting the cultivation of related crops. At present, the main agents used to prevent and control soil-borne diseases are carbendazim, thiram, hymexazol and other agents. The single application of these agents for many years has caused a high degree of resistance of pathogenic bacteria, which has continuously led to the re-emergence of diseases. Therefore, high-efficiency, safe, and environmentally friendly pesticide varieties are an indispensable means for comprehensive m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/36A01P3/00A01N37/40
Inventor 唐彩乐张洪方治国张承来杨立平曹明章
Owner SHENZHEN NOPOSION AGROCHEM
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