Agent for propagating Trichoderma sp. in field

A field, Trichoderma technology, used in biocides, fungicides, biocides, etc., can solve the problems of complicated application methods, insignificant effects, and high costs

Inactive Publication Date: 2009-07-22
何松庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved and the technical task proposed by the present invention are to overcome the shortcomings of t...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0063] Example 1. Prevention of botrytis cinerea in vegetables and strawberries

[0064] The strains used in this example are two strains of Trichoderma fungus Trichoderma harzianum (numbered T25 and T96).

[0065] The formula of the spore meal medium: 600 grams of wheat bran, 380 grams of rapeseed cake, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 600 grams of wheat bran, 380 grams of rapeseed cake, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is below 5mm.

[0066] The weight ratio of spore powder and nutrient base is 25:75, the first application rate is 120 kg per hectare before the onset of crops in the disease season, and the application rate is 45 kg per hectare after one month interval. The second time, the dise...

example 2

[0067] Example two, the prevention of cotton blight (also known as cotton seedling blight)

[0068] The strain used in this example is a strain of Trichoderma fungus Trichoderma harzianum (self-numbered T96).

[0069] The formula of the spore meal medium: 500 grams of wheat bran, 380 grams of rapeseed cake, 100 grams of corn flour, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 500 grams of wheat bran, 380 grams of rapeseed cake, 100 grams of rice flour, 20 grams of meat and bone meal, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is 2.5mm the following.

[0070] The weight ratio of spore powder and nutrient base is 30:70. Apply 45 kg per hectare before the seedlings are planted, and then apply 30 kg per hectare after 2 months. In this example, a total ...

example 3

[0071] Example 3. Prevention of peanut blight

[0072] The strain used in this example is a mixed strain of Trichoderma fungus Trichoderma harzianum (numbered T96) and Trichoderma viride (numbered T32).

[0073] The formula of the spore powder medium: 500 grams of wheat bran, 400 grams of rapeseed cake, 100 grams of corn straw powder, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, and 1.0 grams of sodium tetraborate. Nutrition base formula: 500 grams of wheat bran, 400 grams of rapeseed cake, 100 grams of corn straw powder, 1.0 grams of potassium dihydrogen phosphate, 1.0 grams of potassium nitrate, 1.0 grams of sodium tetraborate, the particle size of the nutrition base is below 2.0mm.

[0074] The weight ratio of spore powder and nutrient base is 35:65, and it is applied before planting, 45 kg per hectare, and 30 kg per hectare at intervals of 2 months. In this example, it is applied twice, and the disease prevention effect reaches 95%.

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PUM

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Abstract

The invention discloses a trichoderma field proliferating agent, and belongs to application of microorganisms. The prior product has the defects of complex application method, higher cost, unobvious effect and the like. The trichoderma field proliferating agent is prepared by uniformly mixing a trichoderma fungus spore agent and a nutrient medium, wherein the trichoderma fungus spore agent is solid or a liquid or a mixture of the solid and the liquid, which is prepared by culturing trichoderma fungi and contains a large quantity of trichoderma fungus spores and a small quantity of viable mycelium. The trichoderma field proliferating agent is applied on the humid surface of field soil, and nutrition is supplied to the trichoderma fungi by the nutrient medium, so that the trichoderma fungi are grown and proliferated on the soil surface and not only can prevent fungous diseases on roots and caudexes of plants but also can prevent fungous diseases on stems, leaves, flowers and fruits of the plants. The trichoderma field proliferating agent also has certain production increase function on crops after being applied.

Description

technical field [0001] The invention belongs to the field of microorganism application, and in particular relates to a product for preventing plant fungal diseases by using fungi of the genus Trichoderma. Background technique [0002] The research on the use of Trichoderma fungi to antagonize plant disease fungi has a history of nearly 80 years since the 1930s. [0003] Studies have confirmed that Trichoderma fungus can effectively antagonize various plant disease fungi such as Fusarium, Pseudomonas, Rhizoctonia, Phytophthora, Rhizoctonia solani, Botrytis cinerea, Botrytis cinerea and wheat glume blight , in order to achieve the purpose of preventing plant diseases. The application of Trichoderma fungus in the field has no risk of chemical pesticide residues, and is especially suitable for the field of pollution-free agriculture. [0004] Since the antagonism mechanism of Trichoderma fungus has been widely recognized, experts and scholars at home and abroad have devoted th...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01P3/00A01P21/00
Inventor 何松庆
Owner 何松庆
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