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Suspending seed coating agent

A technique of suspending seed coatings and film-forming agents, applied in the direction of insecticides, biocides, fungicides, etc., which can solve the problems of inability to prevent and control harmful bacteria, inability to prevent crops from being infected, and crop growth to be affected. The effect of improving the efficacy, reducing the type of use, and reducing the amount of use

Active Publication Date: 2012-01-04
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, crops not only face pests during the whole growth process, but also the infection of some germs will affect the growth of crops, especially in the seed germination stage, and fipronil is only a kind of insecticide, which cannot prevent and control harmful germs. Fully protect crops from infestation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: Disease control effect test

[0026] The test was carried out in a cotton field and peanut field of a farmer in Zhengzhou, Henan Province. The suspension seed coating agent is a seed coating agent compounded with fipronil and fludioxonil as active ingredients. The single doses are respectively fipronil suspension seed coating agent and fludioxonil Nitrile suspension seed coating agent, each suspension seed coating agent test seeds and test environment are the same, the test treatment and application rate are shown in Table 1, and the control effect is shown in Table 2.

[0027] Among them, the anti-efficiency calculation formula is as follows:

[0028] The disease index and prevention effect calculation formula are as follows:

[0029] Leaf disease index = ∑ (number of diseased leaves at all levels × relative level value) / (total number of leaves under investigation × 9) × 100;

[0030] Prevention and treatment effect (%)=(blank control group disease in...

Embodiment 2

[0037] Embodiment 2: 4% fipronil · fludioxonil suspension seed coating (both mass fractions)

[0038] Fludioxonil 3.0%, Fipronil 1.0%, YUS-FS30003.0%, YUS-TXC 1.0%, PICO-NW11.0%, Ethylene Glycol 5.0%, PVA 17-884.0%, Xanthan Gum 0.2%, 0.3% of defoaming agent, 0.3% of sodium benzoate, 1.0% of basic rhodamine, distilled water added to 100%.

[0039] Dissolve YUS-FS3000, YUS-TXC, and PICO-NW1 completely in distilled water, then add the active ingredients of fipronil, fludioxonil, and other additives that have been crushed by airflow, and grind them twice in a sand mill until the suspension is obtained. The particle fineness reaches D 50 2-3μm, D 90 <8μm to get the product.

Embodiment 3

[0040] Embodiment 3: 10% fipronil·fludioxonil suspension seed coating (both mass fractions)

[0041] Fludioxonil 6.0%, Fipronil 4.0%, DA-675 2.5%, DA-646 2.5%, Defoamer 0.3%, Xanthan Gum 0.2%, Sodium Benzoate 0.1%, PVP-K303%, FGR-1312%, distilled water Add to 100%.

[0042] After the fipronil and fludioxonil are air-pulverized, the wetting and dispersing agent, film-forming agent, colorant, thickener, antifreeze, preservative, defoamer and water are completely dissolved, and then put into a sand mill for grinding in proportion 2 times until the particle fineness of the suspension reaches D 50 2-3μm, D 90 <8μm, the product is obtained.

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PUM

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Abstract

The invention relates to the field of pesticide preparations, and discloses a suspending seed coating agent. The suspending seed coating agent comprises 2-20% of fipronil, 2-20% of fludioxonil, 1-8% of wetting dispersing agent, 0.5-10% of film forming agent, 1-10% of coloring agent, 0.1-2% of thickening agent, 1-5% of anti-freezing agent, 0.1-1% of preservative, 0.1-1% of defoaming agent and the balance of distilled water. The suspending seed coating agent uses the complex of the fipronil and the fludioxonil as the effective ingredient; the fipronil and the fludioxonil have complementary advantages; once pesticide application not only can control and prevent the diseases and insect pests, but also can improve the pesticide effect and reduce the dosage and use types and frequency of the pesticide; and the suspending seed coating agent can be widely applied to the agricultural field.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a suspension seed coating agent. Background technique [0002] In modern agricultural production, the use of seed coating agents to treat seeds is one of the most economical and convenient methods to prevent and control underground pests and crop soil-borne and seed-borne diseases. A seed coating is a pesticide formulation used for the treatment of crop or other plant seeds with film-forming properties that solidify on the surface of the seed to form a film called a seed coat. The seed coating agent absorbs water and swells in the soil without being dissolved, allowing the water and air required for normal germination of the seeds to pass through, and the contained pesticides and seed fertilizers are slowly released, which can kill underground pests and seedling pests, and has the function of preventing and controlling seedlings. It has the effects of preventing early-stage...

Claims

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Application Information

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IPC IPC(8): A01N47/02A01N43/36A01N25/04A01P3/00A01P7/04
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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