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 fu

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0025] Example 1: Disease control effect test

[0026] The experiment was carried out in a farmer’s wheat field in Zhengzhou, Henan Province. The suspension seed coating agent is a seed coating agent compounded with difenoconazole and silothizone as the active ingredients. The single agents are difenoconazole suspension seed coating agent and The test seeds and the test environment of silthiazamide suspension seed coating agents are the same. The test treatment and dosage are shown in Table 1, and the control effect is shown in Table 2.

[0027] Among them, the formula for the prevention effect is as follows:

[0028] The formula for calculating disease index and control effect is as follows:

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

[0030] Control effect (%) = (blank control group disease index-test group disease index) / blank control area disease index×100;

[0031] The disease classifi...

Example Embodiment

[0037] Example 2: 10% phenyl ether·silicon thiol suspension seed coating agent (all mass fractions)

[0038] Sithiasamide 8.0%, difenoconazole 2.0%, YUS-FS30003.0%, YUS-TXC 1.0%, PICO-NW1 1.0%, ethylene glycol 5.0%, PVA 17-884.0%, xanthan gum 0.2 %, antifoaming agent 0.3%, sodium benzoate 0.3%, alkaline rose essence 1.0%, and distilled water to 100%.

[0039] YUS-FS3000, YUS-TXC, and PICO-NW1 are completely dissolved in distilled water, and then the air-pulverized difenoconazole, silithiamine, and other additives are added in sequence, and they are milled twice in a sand mill. Until the particle size of the suspension reaches D 50 2-3μm, D 90 <8μm to get the product.

Example Embodiment

[0040] Example 3: 20% phenyl ether·silicon thiol suspension seed coating agent (all mass fractions)

[0041] Silthiastrobin 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%, distilled water is added to 100%.

[0042] Difenoconazole and silifenox are pulverized by airflow, and the wetting and dispersing agent, film forming agent, coloring agent, thickening agent, antifreeze, preservative, defoaming agent and water are completely dissolved, and then put into the sand in proportion Grind twice with a mill until the particle size of the suspension reaches D 50 2-3μm, D 90 <8μm, the product is obtained.

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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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