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A kind of bactericidal composition containing Trichoderma harzianum

A technology of Trichoderma harzianum and composition, which is applied in the direction of fungicides, biocides, biocides, etc., to achieve the effects of reducing the amount of pesticide usage and drug costs, obvious synergies, and improving drug efficacy

Active Publication Date: 2018-01-19
山东垄喜植物有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no relevant report on the pesticide compound mixture with hymexazol and Trichoderma harzianum as active ingredients

Method used

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  • A kind of bactericidal composition containing Trichoderma harzianum

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Experimental program
Comparison scheme
Effect test

Embodiment 2

[0024] Embodiment 2: 5% hymexazol · 100 million cfu / Kharz Trichoderma wettable powder

[0025] According to the weight ratio of hymexazol to Trichoderma harzianum being 15:1, the composition has a synergistic effect. Weighed according to the amount, 95% hymexazol 15.79 grams, 30 billion cfu / gram Trichoderma harzianum master drug 1 gram, sodium lignosulfonate 15 grams, sodium lauryl sulfate 7.5 grams, white carbon black 15 grams, attapulgite Make up to 300 grams of soil. The above ingredients are fully mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, 5% hymexazol·100 million cfu / gram Trichoderma harzianum wettable powder can be obtained.

[0026] This embodiment is applied to the prevention and treatment of capsicum damping-off. Dilute 5% Hymexazol·100 million cfu / gram Trichoderma harzianum wettable powder with water 1500 times and spray evenly, spray once every 5 days, and spray continuously for 3 times, the control eff...

Embodiment 3

[0027] Embodiment 3: 25% hymexazol · 300 million cfu / gram Harz Trichoderma water dispersible granules

[0028] When the weight ratio of hymexazol to Trichoderma harzianum is 25:1, the composition has a synergistic effect. Weighed according to the amount, 95% hymexazol 26.32 grams, 30 billion cfu / gram Trichoderma harzianum master drug 1 gram, calcium lignosulfonate 5 grams, polycarboxylate sodium 5 grams, sodium methylnaphthalene sulfonate formaldehyde condensate 3 grams, 2 grams of sodium alginate, and diatomaceous earth to make up to 100 grams. Mix the above ingredients evenly according to the ratio of the formula, crush them into powder by airflow, add a certain amount of water to mix and extrude the material, dry and sieve to obtain 25% hymexazol·300 million cfu / gram of Trichoderma harzianum water dispersible granules agent.

[0029] This embodiment is applied to the prevention and treatment of cucumber seedling root rot. Dilute 25% Hymexazol·300 million cfu / gram Trichod...

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Abstract

The invention relates to a bactericidal composition containing Trichoderma harzianum, which contains active ingredients hymexazol and Trichoderma harzianum, wherein the content of hymexazol in the compound is 2.5%-30%, and the content of Trichoderma harzianum in the compound is The content in it is 0.5 billion cfu / g-300 million cfu / g. Assuming Trichoderma harzianum with a content of 30 billion cfu / g as 100% parent drug, the weight ratio of hymexazol to Trichoderma harzianum is 5‑150:1‑2, and the preferred weight ratio is 5‑45:1‑2 . The present invention has the following advantages and significant technical effects: Hymexazol and Trichoderma harzianum have different action mechanisms, and the combination of the two has obvious synergistic effect, which can greatly improve drug efficacy and reduce pesticide usage and drug cost. At the same time, the composition of the invention greatly reduces the risk of potential resistance of existing pathogens to hymexazol.

Description

technical field [0001] The invention relates to the technical field of agricultural control, in particular to a fungicidal composition containing Trichoderma harzianum. Background technique [0002] Soil-borne diseases refer to diseases caused by pathogens such as fungi, bacteria, nematodes and viruses that live in the soil with diseased residues and attack crops from roots or stems when conditions are suitable. Long-term land continuous cropping, the increase of multiple cropping index, and unreasonable fertilization are the main factors that aggravate soil-borne diseases. Among the soil-borne diseases, damping-off, root rot, and blight are the main diseases in the seedling stage of crops. The general hazards cause the death of a small number of seedlings, cause the lack of rows and break the ridge, and even cause serious consequences of lodging and death of seedlings in patches. [0003] Trichoderma harzianum is a microbial fungicide produced by Bywer Inc. of the United S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/04A01P3/00A01N43/80
Inventor 邓付圆
Owner 山东垄喜植物有限公司
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