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Insect-killing composition suitable for drip irrigation to prevent and control diaphorina citri

An insecticidal composition and technology of citrus psyllids, applied in the direction of insecticides, biocides, animal repellants, etc., can solve the problems of difficult control of application time and application frequency, serious drug resistance and environmental pollution, and medicament spraying Inhomogeneity and other problems, to achieve the effect of inhibiting pest resistance, reducing the frequency of application, and reducing the amount of application

Inactive Publication Date: 2018-07-20
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The following problems exist in the control of citrus psyllids by spraying pesticides: uneven spraying of pesticides, difficult to control psyllids in hidden places; difficult to control the time and frequency of spraying; excessive frequent use of pesticides with poor results, serious drug resistance and environmental pollution, etc.
[0007] So far, there has been no report on the control of citrus psyllids by the insecticide combination of sulfoxaflor and cyantraniliprole

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Example 1: 61% sulfoxaflor · cyantraniliprole suspension concentrate

[0031] Weigh 60 g of sulfoxaflor, 1 g of cyantraniliprole, 5 g of sodium lignosulfonate, 5 g of polyoxyethylene polyoxypropylene block copolymer, 0.2 g of xanthan gum, and 0.5 g of magnesium aluminum silicate , ethylene glycol 3 g, organosilicon 0.2 g, and water to make up 100 g, under the action of a sand mill to form a suspension concentrate of sulfoxaflor and cyantraniliprole with a main active ingredient content of 61% by weight.

Embodiment 2

[0032] Example 2: 61% sulfoxaflor · cyantraniliprole suspension concentrate

[0033] Weigh 1 g of sulfoxaflor, 60 g of cyantraniliprole, 5 g of sodium lignosulfonate, 5 g of polyoxyethylene polyoxypropylene block copolymer, 0.2 g of xanthan gum, and 0.5 g of magnesium aluminum silicate , ethylene glycol 3 g, organosilicon 0.2 g, and water to make up 100 g, under the action of a sand mill to form a suspension concentrate of sulfoxaflor and cyantraniliprole with a main active ingredient content of 61% by weight.

Embodiment 3

[0034] Example 3: 35% sulfoxaflor · cyantraniliprole suspension concentrate

[0035] Weigh 31 g of sulfoxaflor, 4 g of cyantraniliprole, 5 g of sodium lignosulfonate, 5 g of polyoxyethylene polyoxypropylene block copolymer, 0.2 g of xanthan gum, and 0.5 g of magnesium aluminum silicate , ethylene glycol 3 g, organosilicon 0.2 g, water to make up 100 g, under the action of a sand mill to form a suspension concentrate of sulfoxaflor-cyantraniliprole with a main active ingredient content of 35% by weight.

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PUM

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Abstract

The invention relates to an insect-killing composition suitable for drip irrigation to prevent and control diaphorina citri. The effective components of the insect-killing composition are binary compounding of sulfoxaflor and cyantraniliprole. According to indoor bioassay, the optimal synergic ratio of the insect-killing composition to diaphorina citri is 5:3. The insect-killing composition has the advantages that the insect-killing composition has an obvious synergistic effect; an insecticidal spectrum is expanded, and the pesticide resistance of pests is lowered; the pesticide dose is reduced; pesticide residues are lowered; meanwhile, the pesticide cost and labor force cost are saved. By means of the insect-killing composition suitable for drip irrigation to prevent and control diaphorina citri, the problems that agent is not uniformly sprayed when the agent is applied by being sprayed, phylloxera cannot be prevented and controlled at a hidden place, and the pesticide applying timeand the pesticide applying frequency cannot be controlled can be solved. With the assistance of an existing drip irrigation system, the composition is directionally applied to root areas of crops, through root systems, the composition is absorbed and transferred to tender parts of citrus leaves, and diaphorina citri can be directionally prevented and controlled.

Description

technical field [0001] The invention relates to the control of citrus psyllids and belongs to the technical field of pest control. Background technique [0002] Adults and nymphs of citrus psyllids directly suck the phloem juice of shoots, which not only affects the normal growth of citrus plants, but also spreads citrus Huanglongbing during the feeding process. The tree vigor of the infected tree declines, gradually loses the fruiting ability, and finally the tree body dies. Citrus psyllid and Huanglongbing have become a major problem restricting the sustainable development of citrus industries around the world. At present, chemical control of citrus psyllid is an important measure to control citrus huanglongbing. [0003] The occurrence of citrus psyllid is closely related to the new shoots of citrus trees, and the leaves of citrus are relatively dense. Only by comprehensive, efficient and long-term control of citrus psyllid can citrus trees be protected from its harm. ...

Claims

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Application Information

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IPC IPC(8): A01N47/40A01N43/56A01P7/04
CPCA01N43/56A01N47/40
Inventor 徐汉虹孟华岳文英杰
Owner SOUTH CHINA AGRI UNIV
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