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Nematicidal composition

A composition and a nematicidal technology, applied in the field of pesticides, can solve problems such as unfavorable resistance control, and achieve the effects of reducing environmental pollution and pesticide residues, reducing the amount of field medication, and overcoming nematode resistance.

Inactive Publication Date: 2018-02-16
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Abamectin B 2 Abamectin B 1 It has higher activity against nematodes and can be developed as a nematicide, but avermectin B 2 Used alone, it is not conducive to resistance control, and compounded with appropriate agents can improve the control effect, delay resistance and prolong the service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1: 10.1% Abamectin B 2 〃Floxifen Suspension Concentrate

[0051] Abamectin B 2 10%, fluthiopone 0.1%, sodium methyl naphthalene sulfonate formaldehyde condensate 10%, sodium lignin sulfonate 10%, xanthan gum 1%, silicone 1%, glycerol 5%, water to make up 100%.

[0052] This embodiment is applied to control pepper root knot nematode disease. 10.1% Abamectin B 2 〃Floxifen sulfone suspension agent according to the effective ingredient dosage 200g a.i. / hm 2 After adding water to dilute lindi, the control effects were 88.1% and 86.6% at 30 days and 60 days after treatment. Control agent 5% Abamectin B 2 Suspending agent is 225g a.i. / hm as the effective ingredient 2 , 50% fluthiopone EC according to the effective ingredient dosage 800g a.i. / hm 2 , Use the same method. 5% Abamectin B 2 The control effects of 30 days and 60 days after the suspension drug were 67.4% and 62.1%, respectively; the control effects of 50% fluthiopone EC were 72.7% and 67.3% after 30 days and 60...

Embodiment 2

[0053] Example 2: 20.2% Abamectin B 2 〃Floxifen Suspension Concentrate

[0054] Abamectin B 2 0.2%, fluthiopone 20%, nonylphenol polyoxyethylene ether phosphate 8%, carboxymethyl cellulose 1%, white carbon black 1%, glycerol 4%, water supplement to 100%.

[0055] This embodiment is applied to control tomato root knot nematodes. 20.2% Abamectin B 2 〃Floxifen sulfone suspension agent according to the effective ingredient dosage 600g a.i. / hm 2 Dilution with water for root irrigation treatment, the control effects were 83.7% and 80.2% at 30 days and 60 days after application. Control agent 5% Abamectin B 2 Suspending agent is 225g a.i. / hm as the effective ingredient 2 , 50% fluthiopone EC according to the effective ingredient dosage 800g a.i. / hm 2 , Used in the same way, 5% Abamectin B 2 The control effects of 30 days and 60 days after the suspension drug were 70.7% and 63.1%, respectively; the control effects of 50% fluthiopone EC were 74.7% and 72.1% after 30 days and 60 days, respe...

Embodiment 3

[0058] Example 3: 10% Abamectin B 2 〃Flothiapyrone water emulsion

[0059] Abamectin B 2 5%, fluthioprine 5%, N-methylpyrrolidone 10%, calcium dodecylbenzene sulfonate 5%, Nongru 600#5%, water supplement to 100%.

[0060] This embodiment is applied to control cucumber root knot nematodes. 10% Abamectin B 2 〃Ffluthiopone water emulsion according to the active ingredient dosage 400g a.i. / hm 2 After adding water to dilute lindi, the control effects were 92.7% and 88.5% at 30 days and 60 days after treatment. Control agent 5% Abamectin B 2 Emulsifiable concentrate is 225g a.i. / hm according to the effective ingredient 2 , 50% fluthiopone EC according to the effective ingredient dosage 800g a.i. / hm 2 , Use the same method. 5% Abamectin B 2 The control effects of 30 days and 60 days after emulsifiable concentrates were 70.7% and 64.1%, respectively; the control effects of 50% fluthiopone emulsifiable concentrates were 76.2% and 72.5% after 30 days and 60 days, respectively. Abamectin B...

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Abstract

The invention relates to a nematicidal composition. Effective components of the nematicidal composition are abamectin B2 and fluensulfone, and the mass ratio of the two components is from 100:1 to 1:100. After the compounding of abamectin B2 and fluensulfone, an obvious synergistic effect is produced, and the nematicidal composition can be applied to nematode control of vegetables, fruit trees, oil crops, food crops, sugar crops, medicinal plants, cotton and hemp crops, garden and plants and other plants and places.

Description

Technical field [0001] The invention relates to a nematicidal composition, in particular to a composition containing abamectin B 2 The nematicidal composition and its application for preventing and controlling crop diseases belong to the technical field of pesticides. Background technique [0002] Plant parasitic nematodes mainly include: Meloidogyne, Rotylenchulus, Cyst nematodes (Heterodera), and Root spot nematodes (Pratykenchus). Nematode damage affects the absorption of nutrients and water by plants, and also facilitates the invasion of plant pathogens. [0003] At present, there are not many options for chemical control of nematodes, and the control of nematodes in agriculture basically focuses on preventing nematodes from attacking plants. [0004] Natural abamectin contains 8 components, mainly 4 kinds of isomers namely A 1 a, A 2 a, B 1 a and b 2 a, its total content is ≥80%; the corresponding 4 homologues with a smaller proportion are A 1 b, A 2 b, B 1 b and b 2 b. Its tot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/90A01N43/78A01P5/00
CPCA01N43/90A01N43/78A01N2300/00
Inventor 张洪李鹏飞李欧燕周梦林任太军李广泽
Owner SHENZHEN NOPOSION AGROCHEM
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