Pesticide composition for preventing and treating crop root nematodosis by foliage spray
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A pesticide composition and foliar spraying technology, applied in the field of pesticides, can solve the problems of poor control effect and lack of popularization and application, and achieve the effects of simple use, reduced dosage of pesticides, and relief of damage
Active Publication Date: 2014-03-19
郭红甫
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Problems solved by technology
Due to the poor control effect, there is no popularization and application in production
Method used
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Embodiment 1
[0045] Example 1: Pesticide composition for the prevention and treatment of root nematode disease "90% Shaxianwei + 1% sodium nitrophenolate + 1% diethyl hexanoate + 1% chitosan oligosaccharide + 1% dextran sugar soluble powder"
[0050] 2. Preparation method: Weigh 42.1g of 95% Shaxianwei, 0.2g of 98% potassium nitrophenolate, 0.2g of 98% diethylhexanoate, 11.1g of 90% chitosan oligosaccharide, 10.5g of 95% dextran, The filler potassium chloride is 35.9g, just mix the above components evenly.
Embodiment 3
[0051] Example 3: Pesticide composition for the prevention and treatment of root nematode disease "40% Shaxianwei + 10% ammonium nitrophenolate + 10% diethyl hexanoate + 0.2% chitosan oligosaccharide + 0.2% dextran sugar soluble powder"
[0053] 2. Preparation method: Weigh 42.1g of 95% Shaxianwei, 10.2g of 98% ammonium nitrophenolate, 10.2g of 98% diethylhexanoate, 0.2g of 90% chitosan oligosaccharide, 0.2g of 95% dextran, Filler urea 37.1g, just mix the above components evenly.
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Abstract
The invention relates to a pesticide composition for preventing and treating crop root nematodosis by foliage spray. The pesticide composition comprises effective components including oxamyl and a plant resistance inducer, wherein the plant resistance inducer is a plant growth regulator with a resistance induction effect or any one or a mixture of two of active polysaccharides; the plant growth regulator comprises compound nitrophenolate and diethyl aminoethyl hexanoate; the active polysaccharides comprise chitosan oligosaccharide and glucal; the effective components comprise 0.05-90.0 parts by weight of the oxamyl and 0.05-90.0 parts by weight of the plant resistance inducer. According to the pesticide composition, the synergistic effects of nematode killing and resistance induction are utilized to control the generation and the development of the crop root nematodosis; the pesticide composition is conducted to crop roots by foliage absorption and nematodes are prevented from being invaded, parasitized and reproduced at the roots; meanwhile, damages to crops by toxic secreta of the nematodes are removed and the symptoms of etiolation, withering and the like are relieved; the formation of insect galls at the roots is relieved. The pesticide composition has an obvious preventing and treating effect on systemic translocation insects and leaf diseases of over-ground parts of the crops.
Description
technical field [0001] The invention relates to the technical field of pesticides, in particular to a pesticide composition for preventing and controlling crop root nematode diseases by foliage spraying. Background technique [0002] Crop root nematode diseases include root knot nematode disease (root knot nematode disease) and cyst nematode disease (Cyst nematode disease). [0003] Root-knot nematode is common and has a wide range of parasitism. It can occur in the roots of various crops such as peanuts, cucumbers, winter melons, tomatoes, eggplants, lettuces, carrots, cabbage, and legumes. It overwinters as eggs in the soil, mainly in the soil. At 5-30cm, the soil with insects is the main source of primary infection, and it spreads with soil particles through diseased root residues, agricultural machinery and tools, human and livestock operations, water flow, and wind. Root-knot nematodes belong to fly maggots, and their lifestyle is saprophytic. They parasitize on the fi...
Claims
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Application Information
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