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Agricultural composition containing fungicide and gamma-polyglutamic acid

A technology of polyglutamic acid and composition, which is applied in the field of agricultural compositions with control effect on fungal diseases, can solve problems such as difficulty in knowing beneficial effects, and achieve the effects of outstanding performance and improved crop yield

Pending Publication Date: 2022-08-09
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no literature on combining Streptomyces KN37, Bacillus amyloliquefaciens B1619, and γ-polyglutamic acid to prevent and treat tomato leaf mold or tomato early blight. Beneficial effects produced

Method used

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  • Agricultural composition containing fungicide and gamma-polyglutamic acid
  • Agricultural composition containing fungicide and gamma-polyglutamic acid
  • Agricultural composition containing fungicide and gamma-polyglutamic acid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] This example provides an experiment on the control of tomato leaf mold with an agricultural composition containing a fungicide and γ-polyglutamic acid.

[0021] The tomato variety tested was L-402 tomato, which was quoted from the Institute of Horticulture, Liaoning Academy of Agricultural Sciences. In the experiment, the cultivation mode of the plastic greenhouse was selected. The tomato leaf mold was serious before in the experimental field, and the water and fertilizer management was unified. The test consisted of test group 1-test group 7, single-dose group 1-single-dose group 13, and blank control group. Test group 1-test group 7, mix Streptomyces KN37 bacteria powder, Bacillus amyloliquefaciens B1619 bacteria powder, and γ-polyglutamic acid according to the proportions described in Table 1. Single-dose group 1-single-dose group 13 are single-dose of each effective component with different dilution ratios. The blank control group was water. The effective viable ...

Embodiment 2

[0032] This example provides an experiment for preventing and controlling tomato early blight and improving tomato yield with an agricultural composition containing a fungicide and γ-polyglutamic acid.

[0033] The tomato variety tested was L-402 tomato, which was quoted from the Institute of Horticulture, Liaoning Academy of Agricultural Sciences. In the experiment, a plastic greenhouse protected land cultivation mode was selected, and the water and fertilizer management of the experimental field was unified. The experiment consisted of test group 1-test group 7, single-dose group 1-single-dose group 3, positive control group and blank control group. Test group 1 to test group 7 are agricultural compositions containing inoculants and γ-polyglutamic acid with different proportions and the same total dosage. The specific proportions are shown in Table 2. Single-dose groups 1-3 were the single-dose of Streptomyces KN37, Bacillus amyloliquefaciens B1619, and γ-polyglutamic acid....

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Abstract

The invention provides an agricultural composition containing a microbial agent and gamma-polyglutamic acid. The agricultural composition comprises the following effective components: streptomyces KN37, bacillus amyloliquefaciens B1619 and gamma-polyglutamic acid. The mass ratio of the streptomyces KN37 to the bacillus amyloliquefaciens B1619 to the gamma-polyglutamic acid is 1: (0.5-2): (0.4-5), and the total concentration of viable bacteria of the streptomyces KN37 and the bacillus amyloliquefaciens B1619 is 1 * 10 < 10 >-5 * 10 < 10 > cfu / mL. The agricultural composition provided by the invention is used for seed treatment and shows an excellent effect on prevention and treatment of tomato leaf mold and tomato early blight, and all the effective components play a synergistic effect after being combined.

Description

technical field [0001] The invention belongs to the technical field of pesticide compounding, relates to an agricultural composition containing a fungal agent and γ-polyglutamic acid, and in particular relates to an agricultural composition with a control effect on fungal diseases. Background technique [0002] Tomato leaf mildew is caused by Cladosporium xanthosporum, which belongs to the subphylum Pseudomonas. Tomato leaf mold seriously damages tomato leaves and fruits, and occurs frequently in tomatoes grown in greenhouses. Tomato leaf mold pathogens overwinter as mycelium or mycelium block in the diseased residue, and can also overwinter with conidia attached to the surface of seeds or mycelium latent in the seed coat. Sowing infected seeds can also cause primary infection. Tomato leaf mold has been re-infected several times. After the fungus germinates, lesions are formed. When the environmental conditions are suitable, a large number of conidia are produced on the le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/22A01N63/28A01N37/46A01P3/00A01C1/06A01G13/00
CPCA01N63/22A01N63/28A01N37/46A01P3/00A01C1/06A01G13/00C12R2001/465C12R2001/07Y02A40/10
Inventor 张国强王秀爽王春娟赵婧韩业明
Owner SHIHEZI UNIVERSITY
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