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Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot

A technology for wheat sheath blight and seed treatment, which is applied in the agricultural field, can solve the problems of inhibition, inability to effectively control the peak incidence of sheath blight at the jointing stage of wheat, and the emergence and growth of wheat prone to phytotoxicity, so as to improve water holding capacity, Effect of improving water use efficiency

Inactive Publication Date: 2014-08-06
HEBEI AGRICULTURAL UNIV.
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, triazole pesticides are mainly used to control wheat sheath blight by seed dressing, but usually cannot effectively control the peak incidence of wheat sheath blight at the jointing stage, and spraying control is still required; and improper use of this type of fungicide is prone to phytotoxicity Or inhibit the emergence and growth of wheat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The components and parts by weight of the water-retaining and slow-release seed treatment agent for wheat are respectively:

[0012] Difenoconazole (95% original drug) 2.5 parts

[0013] Water retaining agent (polyacrylamide type) 12 parts

[0014] Wetting agent (emulsifier OP-10) 6 parts

[0015] Dispersant NNO (naphthalenesulfonate formaldehyde condensate) 4 parts

[0016] Film-forming agent (polyvinyl alcohol 1788) 6 parts

[0017] Dye (Carmine) 1 part

[0018] Anti-sedimentation agent (clay and xanthan gum mass ratio 3:1) 3 parts

[0019] Carrier (white carbon black) 65.5 parts;

[0020] The manufacturing process of the wheat water-retaining slow-release seed treatment agent of the above ratio is:

[0021] LD-200 high-speed multi-functional pulverizer is used to preliminarily mix and pulverize components such as medicament, wetting and dispersing agent, carrier and water retaining agent, and then use air-induced pulverizer to pulverize deeply to obtain a parti...

Embodiment 2

[0023] The components and parts by weight of the water-retaining and slow-release seed treatment agent for wheat are respectively:

[0024] Difenoconazole (95% original drug) 3 parts

[0025] Water retaining agent (polyacrylamide type) 10 parts

[0026] Wetting agent (emulsifier OP-10) 6 parts

[0027] Dispersant NNO (naphthalenesulfonate formaldehyde condensate) 6 parts

[0028] Film forming agent (polyvinyl alcohol 1788) 5 parts

[0029] Dye (Carmine) 1.4 parts

[0030] Anti-sedimentation agent (mass ratio of white clay and xanthan gum 3:1) 4 parts

[0031] Carrier (white carbon black) 64.6 parts;

[0032] Its production process is the same as in Example 1, and it is prepared as a seed treatment agent containing 3% difenoconazole.

Embodiment 3

[0034] The components and parts by weight of the water-retaining and slow-release seed treatment agent for wheat are respectively:

[0035] Difenoconazole (95% original drug) 3.3 parts

[0036] Water retaining agent (polyacrylamide type) 9 parts

[0037] Wetting agent (emulsifier OP-10) 6 parts

[0038] Dispersant NNO (naphthalenesulfonate formaldehyde condensate) 7 parts

[0039] Film forming agent (polyvinyl alcohol 1788) 4 parts

[0040] Dye (Carmine) 2 parts

[0041] Anti-sedimentation agent (white clay and xanthan gum mass ratio 3:1) 5 parts

[0042] Carrier (white carbon black) 63.7 parts;

[0043] Its production process is the same as that in Example 1, and it is prepared as a seed treatment agent containing 3.3% difenoconazole.

[0044] Each embodiment was implemented in the Hebei Agricultural University Experimental Park in 2012-2013. According to the investigation at the seedling stage: compared with the clean water control, the treatment of the control agent ...

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Abstract

The invention discloses a moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot. The treating agent comprises components in parts by weight as follows: 2.5-3.3 parts of difenoconazole, 9-12 parts of a moisture-holding agent, 10-13 parts of wetting dispersants, 4-6 parts of a film-forming agent, 1-2 parts of dye, 3-5 parts of a sinking agent and 63.7-65.5 parts of a carrier, wherein the difenoconazole is a 95% raw drug, the moisture-holding agent is in the polyacrylamide type, the wetting dispersants are an emulsifier OP-10 and an NNO (naphthalenesulfonic acid / formaldehyde condensation product), the film-forming agent is polyvinyl alcohol 1788, the dye is carmine, the sinking agent is a mixture of argil and xanthan gum in the mass ratio of 3:1, and the carrier is white carbon black. The moisture-holding sustained-release seed coating has the characteristics of good film-forming property, evenness in coating, low toxicity and environment friendliness and can increase the emergence rate of wheat significantly, prolong the lasting period of the agent and increase the utilization rate of soil moisture and the yield of the wheat.

Description

technical field [0001] The invention relates to a water-retaining and slow-release seed treatment agent for preventing and treating wheat sheath blight, belonging to the technical field of agriculture. Background technique [0002] Wheat sheath blight, also known as wheat sharp eye, is mainly caused by Rhizoctonia graminearum ( Rhizoctonia cerealis ) is a soil-borne fungal disease that occurs in all major wheat-producing regions of the world. Since the 1970s, with the replacement of wheat varieties and the promotion of high-yield cultivation measures (such as early sowing, close planting, high fertilizer, etc.), the disease has commonly occurred in winter wheat areas in my country, and has become a common disease in the Huanghuaihai Plain and the Yangtze River Basin. one of the major diseases of the region. At the same time, due to the increase of mechanical cross-regional operations in my country in recent years, wheat sheath blight has gradually spread northward, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01N25/10A01P3/00
Inventor 甄文超齐永志尹宝重时荣荣马燕会郭丽果
Owner HEBEI AGRICULTURAL UNIV.
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