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A kind of wettable powder composition, preparation method and application based on chlamydospore of Trichoderma harzianum m-17

A technology of wettable powder and Trichoderma harzianum, applied in the direction of botany equipment and methods, applications, fungicides, etc., can solve problems such as difficulty in fermentation technology of Trichoderma chlamydospores, so as to promote germination and reduce broken seedlings , the effect of enhancing nutritional capacity

Active Publication Date: 2022-04-15
INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As we all know, chlamydospores have strong stress resistance, long shelf life and high control effect, but because it is very difficult to induce Trichoderma chlamydospores to form a large number of chlamydospores, and the fermentation technology of Trichoderma chlamydospores is relatively difficult, so commercialization at home and abroad Trichoderma chlamydospore preparations rarely

Method used

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  • A kind of wettable powder composition, preparation method and application based on chlamydospore of Trichoderma harzianum m-17
  • A kind of wettable powder composition, preparation method and application based on chlamydospore of Trichoderma harzianum m-17
  • A kind of wettable powder composition, preparation method and application based on chlamydospore of Trichoderma harzianum m-17

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Effect test

Embodiment 1

[0051] Based on the wettable powder composition of Trichoderma harzianum M-17 chlamydospores, the preservation number of Trichoderma harzianum M-17 is: CCTCC NO: 2018538, provided by the Plant Protection Institute of Ningxia Academy of Agriculture and Forestry Sciences, chlamydospore powder Obtain after expanded cultivation for Trichoderma harzianum M-17 bacterial classification, by weight, the composition chlamydospore powder of the present embodiment can be 15-25 parts, attapulgite can be 65-75 parts, and carrier can be Attapulgite, bentonite, diatomaceous earth, activated carbon or a mixture of two or more, the wetting agent is sodium lauryl sulfate can be 2-6 parts, the dispersant is sodium carboxymethyl cellulose can be 5- 8 parts, UV protection agent is vitamin C can be 1-3 parts.

[0052] Wherein the preparation method of chlamydospore powder is as follows:

[0053] C1: Activation of Trichoderma harzianum M-17 bacterial classification: Trichoderma harzianum M-17 bacter...

Embodiment 2

[0059] The comprehensive performance of the product prepared in this embodiment is the best, and the experiments in the subsequent part of the description to prove the effect of the product are also made under the conditions of this embodiment.

[0060] Based on the wettable powder composition of Trichoderma harzianum M-17 chlamydospores, the preservation number of Trichoderma harzianum M-17 is: CCTCCNO: 2018538, provided by the Plant Protection Institute of Ningxia Academy of Agriculture and Forestry Sciences, the chlamydospore powder is Trichoderma harzianum M-17 bacterial classification obtains after expanded culture, composition comprises in the present embodiment, chlamydospore powder 20 parts, attapulgite 68 parts, wetting agent is 4 parts of sodium lauryl sulfate, and dispersant is carboxylated 7 parts of sodium methylcellulose, and 1 part of vitamin C as the UV protector.

[0061] The preparation method of chlamydospore powder is as follows:

[0062] C1: Activation of...

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Abstract

The invention discloses a wettable powder composition based on Trichoderma harzianum M-17 chlamydospores, a preparation method and an application thereof, comprising chlamydospore powder, a carrier, a wetting agent, a dispersant, and an ultraviolet protecting agent. The spore powder is obtained after expanded cultivation of the Trichoderma harzianum M-17 strain; the fungal type of the Trichoderma harzianum M-17 strain is Trichoderma harzianum, and the preservation number of the Trichoderma harzianum M-17 is: CCTCC NO: 2018538, provided by the Institute of Plant Protection, Ningxia Academy of Agriculture and Forestry Sciences, the invention contains M-17 biological bacteria that can inhibit the pathogenic bacteria of potato soil-borne diseases, reduce harmful fungi in the soil, and can promote the development of roots and enhance the ability to absorb soil nutrients , improve the stress resistance of potatoes, play a role in promoting growth, increase the accumulation of aboveground biomass, and increase the yield significantly.

Description

technical field [0001] The invention relates to the technical field of trichoderma preparations for agriculture. Specifically, it relates to a wettable powder composition, preparation method and application based on Trichoderma harzianum M-17 chlamydospore. Background technique [0002] Chemical fertilizers and pesticides are irreplaceable inputs to ensure national food security and the effective supply of major agricultural products. In 2015, the total amount of chemical fertilizers and pesticides in my country exceeded 60 million tons, and the total amount of pesticides exceeded 1.8 million tons. The total amount of chemical fertilizers and pesticides is 33%. Therefore, with the continuous development of agriculture, it has become a problem to solve the ecological environment pollution caused by the excessive application of pesticides, the decline of cultivated land quality, the destruction of biodiversity, the quality and safety of agricultural products, and the continuous...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/38A01N25/14A01P3/00A01P21/00
CPCA01N63/38A01N25/14
Inventor 王喜刚沈瑞清郭成瑾焦杨张丽荣
Owner INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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