Application of astragalus mongholicus water extract to biopesticides

A technology of water extract and Astragalus membranaceus, applied in the application field of Astragalus membranaceus water extract in pesticides, can solve the problems of unreported application and achieve the effects of wide sources, inhibition of plant pathogenic bacteria, and low pollution

Inactive Publication Date: 2013-03-27
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its application in pesticides has not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Test grasses: rape (Brassica rapa L. Chinensis Group), bermudagrass (Cynodon dactylon L.), duckweed (Lemna minor), provided by Hubei Academy of Agricultural Sciences.

[0020] Test method: When using pakchoi and bermudagrass as targets, the screening method is the agar medium surface coating method. Using a 96-well cell culture plate, add 300μL of water agar and about 10 seeds to each well, and then add 20μL of diluted drug solution. The initial screening drug solution concentration is 1.0mg / mL, 0.3mg / mL, and 0.1mg / mL. One week later, check the seed germination and plant growth. The re-screening concentration is adjusted according to the preliminary screening results.

[0021] Hydroponics is used when duckweed is the target. Using a 24-well cell culture plate, add 2 mL of duckweed culture nutrient solution to each hole, insert 3 duckweed leaves, and add 20 μL of diluted drug solution. The concentration of the drug solution at the initial screening was 1.0 mg / mL, and the g...

Embodiment 2

[0025] Test bacteria: Pythium ultimum, Botrytis cinerea, Septoria nodorum, Alternaria Solani, Fusariumculmorum, Rhizoctonia solani ), provided by Hubei Academy of Agricultural Sciences.

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PUM

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Abstract

The invention discloses application of an astragalus mongholicus water extract to biopesticides and particularly relates to application of the astragalus mongholicus water extract to weeding, and resistance to wheat glume blight and early blight of plants. The astragalus mongholicus water extract provided by the invention is capable of effectively weeding and inhibiting pathogenic bacteria of the wheat glume blight and the early blight of plants, and the selection range of the biopesticides is broadened.

Description

Technical field [0001] The invention relates to a new use of astragalus water extract, in particular to the application of the astragalus water extract in pesticides. Background technique [0002] There are 30,000 species of weeds widely distributed in the world, and about 1,800 species of weeds cause varying degrees of damage to crops each year. The annual crop yield loss due to weed damage is as high as 9.7%. Although the use of chemical herbicides has effectively controlled many weeds, the large-scale use of chemical agents has also caused many undesirable problems, such as the emergence of herbicide-resistant weed plants, soil pollution, water quality degradation, and damage to humans and animals. Harm etc. [0003] Septoria nodorum is one of the main pathogens causing wheat glume blight. It mainly damages immature wheat ears and stems, as well as leaves and leaf sheaths. After the ear is infected, it first occurs on the top or upper spikelet. The glume begins to show dark br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01P13/00A01P3/00
Inventor 马丽李维林王开梅顾玉诚刘玲玲
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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