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Combination containing chitosan oligosaccharide and ipconazole or prothioconazole

A technology of prothioconazole and a composition, applied in the field of plant protection, can solve the problems such as the compound research of no chitosan oligosaccharide, inoconazole or prothioconazole, and achieves improved disease prevention effect, improved control effect, delayed The effect of single-dose resistance

Inactive Publication Date: 2015-07-22
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no report on the compound research of chitosan oligosaccharides and penconazole or prothioconazole

Method used

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  • Combination containing chitosan oligosaccharide and ipconazole or prothioconazole
  • Combination containing chitosan oligosaccharide and ipconazole or prothioconazole
  • Combination containing chitosan oligosaccharide and ipconazole or prothioconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 Effect of the composition on rice diseases

[0020] According to the protocol, compound preparations and single-dose preparations were prepared, and activity pre-tests were carried out. According to the pre-test of activity determination, the preparation is formulated into the required concentration. Select paddy fields that have suffered from the disease, prepare the medicaments into suspension concentrates for rice seed dressing (the concentration is calculated as the effective milligrams of medicaments per kilogram of seeds), sow, and raise seedlings. When the blank control rice bakanae disease and sheath blight occurred, the investigation began, and each treatment was sampled at five points, 50 plants at each point, and the percentage of plant leaf surface infection was determined. Convert percentages to efficacy using Abbot's formula.

[0021]

[0022]

[0023] In the theoretical effect, x is the effect of substance A when the concentration is a, ...

Embodiment 2

[0027] Example 2 Field test of fungicidal composition on wheat powdery mildew

[0028] According to the protocol, compound preparations and single-dose preparations were prepared, and activity pre-tests were carried out. According to the pre-test of activity determination, the preparation is formulated into the required concentration. The wettable powder of the medicament is used for seed dressing (the concentration is calculated as the effective milligram of the medicament per kilogram of seeds), sowing, and routine management. When the blank control wheat powdery mildew occurred, the investigation began, and each treatment was sampled at five points, 50 plants at each point, and the percentage of plant leaf surface infection was determined. Convert percentages to efficacy using Abbot's formula.

[0029]

[0030]

[0031] x is the control effect of active component A when the concentration is a, and y is the control effect of active component B when the concentration ...

Embodiment 3

[0035] Example 3 Composition Field Test on Rape Sclerotinia

[0036] According to the pre-test of pot planting, select the rapeseed field of the previous stubble field, and use the prepared preparation if available for seed dressing (concentration is measured in effective milligrams per kilogram of seed), sowing, and routine management. The investigation began when the blank control rape sclerotinia occurred, and the disease degree of the main stem was investigated at 10 points for each treatment, with 5 plants per point. Convert percentages to efficacy using Abbot's formula.

[0037]

[0038]

[0039] x is the control effect of active component A when the concentration is a, and y is the control effect of active component B when the concentration is b. Compare the theoretical effect and the actual effect, evaluate the synergistic effect of the composition, and take the synergistic effect when the actual control effect is greater than the theoretical control effect. Th...

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PUM

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Abstract

The invention belongs to the field of plant protection, and relates to an antibacterial combination containing chitosan oligosaccharide. The combination is characterized by comprising a constituent A and a constituent B, wherein the constituent A adopts chitosan oligosaccharide; the constituent B adopts ipconazole or prothioconazole. The combination shows good synergistic effect within certain matching range, is higher in the disease prevention effect, can prevent and treat various diseases in agricultural production, is lower in use frequency and use cost, and delays the occurrence of single-dose drug resistance of pathogen.

Description

technical field [0001] The invention belongs to the field of plant protection, and relates to a bactericidal composition containing chitosan oligosaccharide. The composition contains cloconazole or prothioconazole, and the composition is used for preventing and treating various diseases of plants, especially for soil-borne and Seed-borne diseases have a high control effect, such as rice bakanae disease, wheat powdery mildew, rape sclerotinia, tomato gray mold and so on. Background technique [0002] In recent years, due to the single and unscientific use of pesticides, crop diseases have developed resistance to pesticides to varying degrees, which has caused increased costs for farmers, environmental pollution, and damage to the ecological environment. Combining two ingredients with different structures and different mechanisms of action is an effective way to reduce and delay resistance and improve drug efficacy. [0003] As an important class of plant-induced disease resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01P3/00A01P21/00A01N43/16
Inventor 侯华民张善学
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH
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