Bactericide and composition thereof

A bactericide composition, bactericide technology, applied in the direction of bactericide, biocide, biocide, etc.

Active Publication Date: 2019-01-11
侨昌现代农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the problems existing in the prior art, the present invention provides a fungicide and its composition, which can significantly improve the control effect, reduce the frequency of application and dosage, and help to avoid the occurrence of bacterial resistance and delay the occurrence of drug resistance speed, which can solve problems such as resistance in the process of single-dose application of pesticides

Method used

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  • Bactericide and composition thereof
  • Bactericide and composition thereof
  • Bactericide and composition thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0113] Embodiment 1 control cucumber downy mildew test

[0114] The potted cucumber seedlings at the two-leaf stage of "Shandong Mici" were sprayed with an aqueous solution (concentration as described below) of the active component. After 24 hours, the cucumber downy mildew spore suspension was inoculated on the cucumber leaves, and then placed Cultivate in a climate chamber with a temperature of 18±1° C. and a relative humidity of 90±5%, and measure the development degree of pathogen infection on the leaves after 3 days. See Table 1 and Table 2 for the activity data results of each individual active component and the composition of the present invention on cucumber downy mildew.

[0115] The results show that the actual control effect values ​​of the composition are greater than the theoretical control effect values, and the composition exhibits a synergistic effect within the range of the test proportion.

[0116] Table 1 Control effect of individual active components on cu...

Embodiment 2

[0123] Example 2 Control of Cucumber Powdery Mildew Test

[0124] Potted cucumber seedlings (variety: Xintaimici) with uniform growth and the same leaf age were selected, and sprayed on the crop sprayer according to the designed dosage, and a blank control without pesticide was set up. After 24 hours, the pathogenic bacteria were inoculated, and then moved to the greenhouse for normal management. The culture conditions (temperature: 23-28°C during the day and 18-20°C at night) were cultivated for 8 days before the results were investigated. Investigate the degree of development of the fungal infestation on each leaf. See Table 3 and Table 4 for the activity data results of each individual active component and the composition of the present invention for controlling cucumber powdery mildew.

[0125] The results show that the actual control effects of the compositions are greater than the theoretical control effects, and the compositions show a synergistic effect within the tes...

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Abstract

The invention discloses bactericide and a composition thereof. The bactericide comprises a compound A single dosage or mixture of the compound A and other bactericide active ingredients in a weight ratio of 1:100-100:1. According to the bactericide, the compound A single dosage or the compound A and other bactericides are subjected to binary and trinary compounding, so that the single dosage or composition has an excellent prevention effect. Furthermore, the synergistic effect since the bacteriocidal spectrum is amplified; the compound A is applied to bactericide and compounded with other bactericide active ingredients to improve the disease and insect prevention and control effect and enable bacteria to hardly generate drug resistance, and can be used for preventing and controlling downymildew, late blight, blight, damping off, powdery mildew, rust disease, anthracnose and the like on vegetables such as cucumbers, Chinese cabbages, spinach, chili, tomatoes and the like, crops such aspotatoes, grapes, tangerines, bananas and the like, as well as soybean root rot, tobacco leaf black shank and the like.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a fungicide and a composition thereof. Background technique [0002] Downy mildew, powdery mildew and blight are common and frequently-occurring diseases of melons, fruit trees, vegetables and other crops, which seriously affect the yield and quality of products and often become devastating diseases. [0003] Downy mildew is a plant disease caused by downy mildew in fungi. Downy mildew can occur at all stages from seedlings to harvest, and the adult plants suffer the most. It mainly damages the leaves and develops from the base to the upper leaves. In the early stage of the disease, light yellow sub-circular to polygonal lesions are formed on the leaves. When the air is humid, a frosty mold layer is formed on the back of the leaves, and sometimes it can spread to the leaves. In the later stage, the disease spots are withered and contiguous, and they are yello...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/58A01N37/38A01N43/84A01N37/34A01N47/14A01N47/34A01N43/50A01N43/40A01N47/12A01N37/46A01N43/76A01N43/80A01P3/00
CPCA01N43/58A01N47/24
Inventor 李科孙守福马超王林张双应
Owner 侨昌现代农业有限公司
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