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Fungicidal composition containing benthiavalicarb-isopropyl and dimethomorph and applications thereof

A technology of dimethomorph and fenthiamid, applied in the field of pesticides, can solve the problems affecting human and animal health and normal survival, shortening the spraying period, increasing drug residues, etc. Protective and therapeutic activity, delaying the effect of bacterial resistance

Inactive Publication Date: 2014-03-12
QINGDAO STAR CROPSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Due to the long-term use of the above two agents alone, it is easy to lead to the generation of drug resistance of bacteria, resulting in a significant decline in drug efficacy, resulting in a large increase in dosage, shortened spraying cycle, and poor use effect, which increases costs. The use of a large number of pesticides makes the bacteria The resistance is more serious, and it also has a certain impact on the environment. The drug residues in agricultural products are also increasing, which affects the health and normal survival of humans and animals. The combination of benthiazil and dimethomorph is used to prevent and control crop diseases , has not been reported at home and abroad

Method used

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  • Fungicidal composition containing benthiavalicarb-isopropyl and dimethomorph and applications thereof
  • Fungicidal composition containing benthiavalicarb-isopropyl and dimethomorph and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: 16% benthiazil · dimethomorph suspension concentrate, comprises the following components by weight:

[0031] Benthiopyram 8%

[0032] Dimethomorph 8%

[0033] Alkylnaphthalene formaldehyde condensate sulfonate 1%

[0034] Nonylphenol ethoxylate 1%

[0035] Xanthan Gum 0.3%

[0036] Benzoic acid 0.1%

[0037] Organosilane defoamer 0.3%

[0038] water balance

[0039] Mix all the materials, stir evenly, put the materials into a sand mill for sand milling, make the materials reach a fineness of 2-5 μm, and prepare 16% benthiazil·dimethomorph suspension concentrate.

Embodiment 2

[0040] Embodiment 2: 30% benthiazil dimethomorph water-dispersible granules, comprising the following components by weight:

[0041] Benthiopyram 10%

[0042] Dimethomorph 20%

[0043] Sodium lignosulfonate 6%

[0044] PO-EO block polyether 4%

[0045] Sodium Lauryl Sulfate 3%

[0046] Ammonium sulfate 5%

[0047] Light calcium carbonate balance

[0048] Mix the above according to the proportion of the formula, and crush it into a wettable powder by airflow, then add a certain amount of water to mix and extrude to granulate, dry and sieve to obtain 30% benthiazil·dimethomorph water-dispersible granules .

Embodiment 3

[0049] Embodiment 3: 60% benthiazil dimethomorph wettable powder comprises the following components by weight:

[0050] Benthiopyram 10%

[0051] Dimethomorph 50%

[0052]Sodium p-Methoxy Fatty Acid Sulfonate 2%

[0053] Sodium methylene bis-naphthalene sulfonate 4%

[0054] Silica 5%

[0055] Kaolin balance

[0056] The above components were jet milled to obtain 60% benthiazil·dimethomorph wettable powder.

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Abstract

The invention belongs to the pesticide technology field, and concretely relates to a fungicidal composition containing benthiavalicarb-isopropyl and dimethomorph compound, and applications in controlling oomycete fungal diseases of crop downy mildew, phytophthora diseases and the like. In the composition, the weight ratio of benthiavalicarb-isopropyl to dimethomorph is 1:1-1:100. The fungicidal composition has synergistic effects through compounding, can be used for controlling diseases of downy mildew, phytophthora diseases and the like caused by fungi of oomycetes and the like on various crops of grapes, cucumbers, tomatoes, potatoes and the like, has good control effects, is safe to many crops in a dosage range in which pathogenic bacteria can be controlled effectively, and has good functions of delaying drug resistance of pathogenic bacteria.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to a bactericidal composition compounded with benthiazil and dimethomorph, and its application in preventing and treating fungal diseases of crops. Background technique [0002] Benthiavalicarb-isopropyl is commonly known as (benthiavalicarb-isopropyl), and its chemical name is [(S)-1-[(R)-1-(6-fluorobenzothiazol-2-yl-)ethylcarbamoyl]- 2-Methylpropyl] isopropyl carbamate is a novel amino acid carbamate fungicide developed by Japan Combination Chemical Company. It has excellent effects on various diseases and downy mildew. 75ga.i. / h㎡) can effectively control potato and tomato late blight (Phytophthora infestans), grape downy mildew (Plasmopara viticola), melon downy mildew (Pseudoperonospora cubensis), parasitic downy mildew (Peronospora parasitica) . Benthiopyram has good toxicity and environmental protection, and is non-toxic to many vegetables and fruits. [0003] The molecu...

Claims

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Application Information

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IPC IPC(8): A01N47/12A01N43/84A01P3/00
Inventor 宋婷婷
Owner QINGDAO STAR CROPSCI
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