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Cabbage aphid insecticidal suspending agent

A kind of suspending agent and aphid technology, applied in the field of agrochemicals, can solve the problems of poor solubility of bifenthrin, accelerate pest resistance, and weaken biological control, etc., so as to weaken the poisonous killing effect, delay insect resistance and prolong the drug effect time Effect

Pending Publication Date: 2020-05-08
HENAN VISION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is still a lack of insecticides against cabbage aphids on the market. Some farmers will use insecticides with a wider insecticidal spectrum, such as bifenthrin, but these insecticides will also have harmful effects on the natural enemies of cabbage aphids. poisonous effect, thus weakening the biological control, and only relying on chemical control will accelerate the development of insecticide resistance; in addition, bifenthrin has poor solubility, which is not conducive to uniform dispersion in water-based chemicals, and because it does not have systemic properties, it is difficult to apply Adhering to the surface of the plant affects the efficacy of the drug, so there is an urgent need for an insecticide that is specific to cabbage aphids, has a fast onset of action, a long duration of drug effect, and can maintain stability for a long time

Method used

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  • Cabbage aphid insecticidal suspending agent
  • Cabbage aphid insecticidal suspending agent
  • Cabbage aphid insecticidal suspending agent

Examples

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preparation example Construction

[0055] The second aspect of the present invention provides a method for preparing the above-mentioned cabbage aphid pesticidal suspension, comprising the following steps: after mixing water and auxiliary agent B, adding bifenthrin and flonicamid other preparation raw materials, add bifenthrin and flonicamid at the end, shear and grind to obtain.

[0056] The third aspect of the present invention provides an application of the above-mentioned cabbage aphid insecticidal suspension concentrate for killing peach aphid, cabbage aphid and radish aphid.

Embodiment 1

[0060] Embodiment 1 provides a kind of cabbage aphid insecticidal suspension concentrate, and its preparation raw material comprises: bifenthrin 4wt%, flonicamid 8wt%, auxiliary agent A 1.2wt%, auxiliary agent B 4.2wt%, the balance is Deionized water.

[0061] The auxiliary agent A is a mixture of layered silicate and heteropolysaccharide; the weight ratio of the layered silicate and heteropolysaccharide is 5:1; the layered silicate is magnesium aluminum silicate; the The heteropolysaccharide is xanthan gum.

[0062] The auxiliary agent B is a mixture of polyelectrolyte and EO / PO block polyether; the weight ratio of the polyelectrolyte and EO / PO block polyether is 3:1; the polyelectrolyte is Sokalan CP- 9. It is a maleic anhydride acrylic acid copolymer; the EO / PO block polyether is Pluronic PE10500 produced by BASF, wherein the molar mass of PO is 3250 g / mol, and the mass percentage of EO is 50%.

[0063] This example also provides a preparation method of the above-mentione...

Embodiment 2

[0065] Embodiment 2 provides a kind of cabbage aphid insecticidal suspension concentrate, and its preparation raw material comprises: bifenthrin 4wt%, flonicamid 8wt%, auxiliary agent A 1.2wt%, auxiliary agent B 4.2wt%, the balance is Deionized water.

[0066] The auxiliary agent A is a mixture of layered silicate and heteropolysaccharide; the weight ratio of the layered silicate and heteropolysaccharide is 5:1; the layered silicate is magnesium aluminum silicate; the The heteropolysaccharide is xanthan gum.

[0067] The auxiliary agent B is a mixture of polyelectrolyte and EO / PO block polyether; the weight ratio of the polyelectrolyte and EO / PO block polyether is 3:1; the polyelectrolyte is Sokalan CP- 9. It is a maleic anhydride acrylic acid copolymer; the EO / PO block polyether is Pluronic PE10500 produced by BASF, wherein the molar mass of PO is 3250 g / mol, and the mass percentage of EO is 50%.

[0068] The raw materials for preparing the cabbage aphid suspension concentr...

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Abstract

The invention discloses a cabbage aphid insecticidal suspending agent which is characterized by at least comprising the following preparation raw materials: 2-6 wt% of bifenthrin, 6-10 wt% of flonicamid, 0.8-2 wt% of an assistant A, 2-8 wt% of an assistant B and the balance being deionized water, wherein the assistant A is a mixture of layered silicate and heteropolysaccharide; and the assistant Bis a mixture of a polyelectrolyte and EO / PO block polyether. According to the insecticidal suspending agent, the bifenthrin and the flonicamid are compounded for use, so that the poisoning effect ofthe bifenthrin on aphid natural enemies is weakened, and the generation of insecticide resistance of insects is delayed; by adopting a specific auxiliary agent formula, the stability of the suspendingagent is improved, and the wettability, the adhesive force, the permeability and the like of the suspending agent on the surfaces of plants are improved, so that the suspending agent can take effectquickly after being applied, and is long in pesticide effect time and good in prevention and treatment effect.

Description

technical field [0001] The invention relates to the field of agrochemicals, in particular to a cabbage aphid pesticidal suspension. Background technique [0002] Cabbage aphids, including peach aphid (Myzuspersicae), cabbage aphid (Brevicorynebrassicae), radish aphid (Lipaphiserysimi) and other aphid species, mainly damage purple cabbage, broccoli, cauliflower, cabbage, cabbage, radish, turnip and other cruciferous vegetables , like to prick and suck plant juice on cruciferous vegetables with smooth leaves and more waxy leaves, resulting in curling and deformation of leaves, poor plant growth, affecting the heart of the bag, and causing soot due to excretion of honeydew in large quantities; in addition, It also spreads viral diseases. [0003] At present, there is still a lack of insecticides against cabbage aphids on the market. Some farmers will use insecticides with a wider insecticidal spectrum, such as bifenthrin, but these insecticides will also have harmful effects o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N53/10A01P7/04
CPCA01N43/40A01N53/00
Inventor 张云锋都灵犀张辉王世杰
Owner HENAN VISION TECH