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Suspension seed coating formulation

A technology for suspending seed coating and film-forming agent, applied in the directions of biocides, fungicides, biocides, etc., can solve the problem of not being able to fully protect crops from the infection of germs, increasing the risk of mutual antagonism between pesticides, and increasing drug use. Cost and other issues, to achieve the effect of improving drug efficacy, reducing usage, and wide application

Inactive Publication Date: 2012-03-28
LIANBAO CROP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, crops often face a variety of diseases during the growth process, and silthiocarb-based seed coatings are only effective against take-all, but for other common diseases, such as powdery mildew, smut, and leaf spot , blight, etc., its control effect is poor, and it cannot fully protect crops from infection by pathogens
If other pesticides are used at the same time as the use of silthiocarb seed coating agents, it will not only increase the risk of mutual antagonism between pesticides, but also increase the cost of medication, which is not worth the candle

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 wheat field of a farmer in Zhengzhou, Henan Province. The suspension seed coating agent is a seed coating agent compounded with difenoconazole and silthiocarb as active ingredients. The single doses are respectively difenoconazole suspension seed coating agent and Sithiopyram suspension seed coating agent, the test seeds and test environment of each suspension seed coating agent 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 index-tes...

Embodiment 2

[0037]Embodiment 2: 10% phenyl ether · silicon thiazide suspension seed coating (both are mass fractions)

[0038] Sithiopyram 8.0%, Difenoconazole 2.0%, YUS-FS3000 3.0%, YUS-TXC 1.0%, PICO-NW1 1.0%, Ethylene Glycol 5.0%, PVA 17-884.0%, Xanthan Gum 0.2 %, defoamer 0.3%, sodium benzoate 0.3%, basic rhodamine 1.0%, distilled water added to 100%.

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

Embodiment 3

[0040] Embodiment 3: 20% phenyl ether · silicon thiazide suspension seed coating (both are mass fractions)

[0041] Sithiopyram 16.0%, Difenoconazole 4.0%, DA-675 2.5%, DA-646 2.5%, Antifoaming Agent 0.3%, Xanthan Gum 0.2%, Sodium Benzoate 0.1%, PVP-K30 3%, FGR-131 2%, add distilled water to 100%.

[0042] After difenoconazole and silthiocarb are pulverized by airflow, wetting and dispersing agent, film forming agent, coloring agent, thickener, antifreeze agent, preservative, defoamer and water are completely dissolved, and put into sand in proportion The mill grinds twice until the particle size 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 suspension seed coating formulation. The suspension seed coating formulation disclosed by the invention comprises 3-40% silthiopham, 1-20% difenoconazole, 1-8% wetting dispersant, 0.5-10% film-forming agent, 1-10% coloring agent, 0.1-2% thickening agent, 1-5% antifreezing agent, 0.1-1% antiseptic substance, 0.1-1% of defoaming agent, and the balance of distilled water. The suspension seed coating formulation disclosed by the invention has the advantages that the effective ingredients are formed by compounding difenoconazole and silthiopham which have complementary advantages, therefore the disease prevention spectrum of the medicament can be extended, and at the same time the effectiveness of the medicament can be improved; moreover, the once application of the medicament can prevent various diseases, thereby reducing the consumption and types and times of usage of insecticides, and the suspension seed coating formulation can be widely used in the field of agriculture.

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): A01N55/10A01N43/653A01N25/04A01P3/00
Inventor 王洲卢桂鲜
Owner LIANBAO CROP TECH
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