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Granules containing trichoderma harzianum and chitosan

A technology of Trichoderma harzianum and granules, which is applied in the direction of fungicides, biocides, disinfectants, etc., can solve the problems of unsatisfactory control effects and easy resistance of pathogens, so as to improve crop resistance, save drug costs, The effect of improving the disease resistance of rhizomes

Active Publication Date: 2015-12-16
杨凌馥稷生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In agricultural production, if a single agent is used for disease control for a long time, the bacteria are likely to develop resistance, making the control effect unsatisfactory
At present, there is no relevant report on the granules with amino oligosaccharins, Trichoderma harzianum and humic acid as active ingredients

Method used

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  • Granules containing trichoderma harzianum and chitosan
  • Granules containing trichoderma harzianum and chitosan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Indoor Toxicity Determination of Aminooligosaccharins, Trichoderma harzianum, Humic Acid and Compounds to Watermelon Fusarium Wilt

[0021] Test object: watermelon wilt (Fusariumoxysporumf.sp.niveum.), collected from the field, separated and purified indoors.

[0022] Test method: After pre-testing to determine the effective inhibitory concentration range of each agent, dilute amino-oligosaccharin, Trichoderma harzianum, humic acid and their mixed preparations to 5 concentrations in series according to the gradient of active ingredient content, and use sterile water as a control . With reference to the "People's Republic of China Agricultural Industry Standard NY / T1156.2-2006", the mycelium growth rate method is used for determination. Under sterile conditions, take 5 mL of the prepared medicinal solution and mix them with 75 mL of culture medium evenly to make 4 plates containing medicine, and mix an equal amount of sterile water with the culture medium as ...

Embodiment 2

[0030] Example 2: 0.3% amino oligosaccharin · 060 million cfu / gram Trichoderma harzianum · 5% humic acid granules

[0031] According to the weight ratio of oligoaminosaccharin, Trichoderma harzianum and humic acid of 3:2:50, the composition has a synergistic effect, weighed according to the amount, 0.375kg of 80% oligoaminosaccharin parent drug, 30 billion cfu / Keharz Trichoderma parent drug 0.2kg, humic acid 5kg, zinc sulfate 3kg, naphthalenesulfonate formaldehyde condensate 2.5kg, sodium lauryl sulfate 1.5kg, polyvinyl alcohol 2.5kg, attapulgite 5kg, bentonite Make up to 100kg.

[0032] Mix the above formula components evenly, pulverize them, add water to moisten them, stir well, then granulate with a screw extrusion granulator, dry and sieve to obtain 0.3% amino oligosaccharin · 0.6 billion cfu / gram of Trichoderma harzianum ·5% humic acid granules.

[0033] The preparation prepared in Example 2 is applied to the field test of preventing and treating rice blight

[0034]...

Embodiment 3

[0040] Example 3: 0.2% amino oligosaccharin · 0.1 million cfu / Trichoderma harzianum · 3% humic acid granules

[0041] According to the weight ratio of amino oligosaccharin, Trichoderma harzianum and humic acid is 6:1:90, the composition has a synergistic effect, weighed according to the amount, 0.75kg of 80% amino oligosaccharin parent drug, 30 billion cfu / Keharz Trichoderma master drug 0.1kg, humic acid 9.0kg, zinc sulfate 12kg, fatty alcohol polyoxyethylene ether 7.5kg, sodium lauryl sulfate 7.5kg, carboxymethylcellulose 6.0kg, diatomaceous earth 45kg , Bentonite supplemented to 300kg.

[0042] Mix the above formula components evenly, pulverize them, add water to moisten them, stir well, then use a screw extrusion granulator to granulate, dry and sieve to obtain 0.2% amino oligosaccharin · 0.1 million cfu / gram of Trichoderma harzianum ·3% humic acid granules.

[0043] The preparation prepared in Example 3 is applied to the field efficacy test of controlling cucumber bli...

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Abstract

The invention relates to granules containing trichoderma harzianum and chitosan. The contained active components include amino oligosaccharin, trichoderma harzianum, humic acid and zinc sulfate. Trichoderma harzianum with the content of 30 billions CFU / g is set as 100% technical concentrate, and the weight ratio of amino oligosaccharin to trichoderma harzianum to humic acid is 3-25 to 1-2 to 30-90. The granules are convenient to use, beneficial for preventing and treating bacteria in time in the after-rain occurrence peak period, and capable of reducing loss. The active components including amino oligosaccharin, trichoderma harzianum and humic acid have a synergistic interaction function in bacteria resistance, the consumption of each single dosage can be lowered by mixing the components in just proportion, and pesticide cost can be easily saved. The granules contain trace element zinc fertilizer and can effectively supplement zinc fertilizer while preventing and treating diseases and insect pests, and zinc is beneficial for improving rootstock disease resistance of crops, promoting root robustness and improving stress resistance of crops.

Description

technical field [0001] The invention relates to the technical field of agricultural control, in particular to a granule containing Trichoderma harzianum and amino oligosaccharins. 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. Continuous cropping, increased multiple cropping index and unreasonable fertilization are the reasons for the increasing of soil-borne diseases. Soil-borne diseases often cause damping-off, root rot or standing dry of crops at the seedling stage, resulting in lack of seedlings and broken ridges. If the disease is serious, it can cause the death of all seedlings raised in the seedbed. [0003] The pathogens of soil-borne diseases already exist in the soil before the crops are planted. At present, people have not formed the habit of using medicines to preve...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N25/14C05G3/00A01P21/00A01P1/00A01P3/00A01N43/16A01N59/16A01N61/00
Inventor 邓付圆
Owner 杨凌馥稷生物科技有限公司
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