CN103960248A - Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot - Google Patents
Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot Download PDFInfo
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- CN103960248A CN103960248A CN201310616983.7A CN201310616983A CN103960248A CN 103960248 A CN103960248 A CN 103960248A CN 201310616983 A CN201310616983 A CN 201310616983A CN 103960248 A CN103960248 A CN 103960248A
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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
The present invention relates to a kind of water-holding slow-release seed treatment of preventing and treating wheat sharp eyespot, belong to agricultural technology field.
Background technology
Wheat sharp eyespot claims again wheat point eye spot disease, be mainly by Rhizoctonia cerealis (
rhizoctonia cerealis) a kind of silborne fungal diseases of causing, in the world, all there is generation in each Major Wheat producing region to this disease.Since 20 century 70s, along with the replacing of wheat breed and the popularization of High yield Cultivating Technique (as early sowing, dense planting, high fertilizer etc.), this disease generally occurs in China Winter Wheat Area, and becomes one of Major Diseases of Huang-Huai-Hai plain and Yangtze river basin Mai Qu.Meanwhile, due to increasing of the mechanical cross-regional operation of China in recent years, wheat sharp eyespot is northward extension gradually, and harm is day by day serious, and yield and quality of wheat is caused to extremely important impact.At present, mainly adopt triazole type dressing seed control wheat sharp eyespot, but conventionally can not effectively control the onset peak of wheat during jointing stage banded sclerotial blight, still need to spray medicine control; And also easily there is poisoning or wheat emerged and grown producing inhibitory action in this series bactericidal agent improper use.
Sustained-release pesticides is normally taking macromolecular compound as carrier.Chemical pesticide, by mode direct or that combine with macromolecular compound by crosslinking agent, reaches slow release effect in field.Water-loss reducer (SAP) is the high molecular polymer that utilizes a kind of superelevation water-absorbing-retaining ability that strong absorptive resin makes, and after water suction, can, according to crop water feature, provide for a long time moisture.The present invention is directed to the occurrence characteristic of wheat sharp eyespot, the conventional medicament Difenoconazole of control wheat sharp eyespot is combined with water-loss reducer, make a kind of seed treatment, this medicament utilizes the feature of water-loss reducer water-absorbing-retaining, both reached the object of Difenoconazole slow release long-acting, extend the prevention and control time to wheat sharp eyespot, can reduce again the invalid evaporation of field moisture, improved the savings ability of soil to moisture.
Summary of the invention
The water-holding slow-release seed treatment that the object of this invention is to provide a kind of applicable control wheat sharp eyespot, this slowly-releasing seed treatment has the feature of water conservation and slow-releasing agent.
The present invention is achieved through the following technical solutions water-holding slow-release seed treatment, and it comprises following raw material: 2.5 ~ 3.3 parts of Difenoconazoles, 9 ~ 12 parts of water-loss reducers, 10 ~ 13 parts of wetting dispersing agents, 4 ~ 6 parts of film forming agents, 1 ~ 2 part of dyestuff, 3 ~ 5 parts of sagging inhibitor, 63.7 ~ 65.5 parts, carrier; Described Difenoconazole is 95% former medicine, water-loss reducer is polyacrylamide type, wetting dispersing agent is the mixture (mass ratio is 1:1) of emulsifier op-10 and naphthalenesulfonate formaldehyde condensation compound NNO, film forming agent is polyvinyl alcohol 1788, dyestuff is carmine, sagging inhibitor is the mixture (mass ratio 3:1) of carclazyte and xanthans, and carrier is white carbon.
Wherein said water-loss reducer is polyacrylamide type, it is the impact of the index such as Water Retaining Agent on Soil Topsoil water change in time and space and Agronomic Characters in Wheat by studying 6 kinds of different manufacturers, different size, filter out water retention property good, and can significantly improve the water-loss reducer of wheat yield.
Using method, for first water-holding slow-release seed treatment being diluted with water to the dispersion that concentration is 1% ~ 2% water conservation, is carried out dressing coating to wheat seed, and water-retaining agent colloid and seed are mixed, and dries, and makes to disperse each other between seed adhesion.
Water-holding slow-release seed treatment of the present invention, its feature is can slow-releasing agent, does not affect emergence rate, both can play the effect of pesticide slow-release, can improve again field topsoil water-holding capacity, improves water use efficiency.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
Each component and the parts by weight thereof of wheat water-holding slow-release seed treatment are respectively:
2.5 parts of Difenoconazoles (95% former medicine)
12 parts of water-loss reducers (polyacrylamide type)
6 parts of wetting agents (emulsifier op-10)
Dispersant NNO(naphthalenesulfonate formaldehyde condensation compound) 4 parts
6 parts of film forming agents (polyvinyl alcohol 1788)
1 part of dyestuff (famille rose)
3 parts of sagging inhibitor (carclazyte and xanthans mass ratio 3:1)
65.5 parts, carrier (white carbon);
As above the fabrication processing of the wheat water-holding slow-release seed treatment of proportioning is:
Adopt LD-200 type high-speed multifunctional cracker to carry out after preliminary co-grinding components such as medicament, wetting dispersing agent, carrier and water-loss reducers, then draw the formula cracker degree of depth with gas and pulverize, making particle diameter is 10 μ m, the seed treatment of 2.5% Difenoconazole.
Embodiment 2:
Each component and the parts by weight thereof of wheat water-holding slow-release seed treatment are respectively:
3 parts of Difenoconazoles (95% former medicine)
10 parts of water-loss reducers (polyacrylamide type)
6 parts of wetting agents (emulsifier op-10)
Dispersant NNO(naphthalenesulfonate formaldehyde condensation compound) 6 parts
5 parts of film forming agents (polyvinyl alcohol 1788)
1.4 parts of dyestuffs (famille rose)
4 parts of sagging inhibitor (carclazyte and xanthans mass ratio 3:1)
64.6 parts, carrier (white carbon);
Its fabrication processing, with embodiment 1, is mixed with the seed treatment containing 3% Difenoconazole.
Embodiment 3:
Each component and the parts by weight thereof of wheat water-holding slow-release seed treatment are respectively:
3.3 parts of Difenoconazoles (95% former medicine)
9 parts of water-loss reducers (polyacrylamide type)
6 parts of wetting agents (emulsifier op-10)
Dispersant NNO(naphthalenesulfonate formaldehyde condensation compound) 7 parts
4 parts of film forming agents (polyvinyl alcohol 1788)
2 parts of dyestuffs (famille rose)
5 parts of sagging inhibitor (carclazyte and xanthans mass ratio 3:1)
63.7 parts, carrier (white carbon);
Its fabrication processing, with embodiment 1, is mixed with the seed treatment containing 3.3% Difenoconazole.
Each embodiment all implemented in Agricultural University Of Hebei's test garden in 2012 ~ 2013 years.Known through seedlings investigation: contrast and compare with clear water, use separately contrast medicament Difenoconazole to process the growth that has obviously suppressed wheat, postponed wheat seedling-growing time, emergence rate also decreases; And use the emergence rate of the Difenoconazole seed treatment Cotton seeds wheat of same concentration effective dose to compare apparently higher than clear water contrast, and compared with independent Difenoconazole processing, average plant height improves 0.99 ~ 1.99cm, and fresh weight increases by 0.06 ~ 0.07g.
Wheat heading stage investigation discovery, the water-holding slow-release seed treatment preventive effect of Difenoconazole is processed on average and is improved 10% ~ 20% than using separately with the Difenoconazole of concentration effective dose, and the lasting period extends approximately more than one month.And while using water-holding slow-release seed treatment dressing, thousand grain weight of wheat all significantly increases, and mature spike number and grain number per spike also increase to some extent.It is 18.5% that the independent Difenoconazole seed treatment of contrast medicament contrasts rate of growth.And the average effect of increasing production of each water-holding slow-release seed treatment Cotton seeds is respectively 24.5%, 26.5%, 19.5%, the independent Difenoconazole Cotton seeds of average specific contrast medicament has improved 5%.
Claims (3)
1. prevent and treat the water-holding slow-release seed treatment of wheat sharp eyespot for one kind, it is characterized in that this water-holding slow-release seed treatment possesses the slow releasing function to medicament, improve Difenoconazole control efficiency and extend the lasting period, can strengthen again farmland tillaging layer water capacity, improving water use efficiency.
2. water-holding slow-release seed treatment according to claim 1, is characterized in that being made up of the raw material of following weight parts: 2.5 ~ 3.3 parts of Difenoconazoles, 9 ~ 12 parts of water-loss reducers, 10 ~ 13 parts of wetting dispersing agents, 4 ~ 6 parts of film forming agents, 1 ~ 2 part of dyestuff, 3 ~ 5 parts of sagging inhibitor, 63.7 ~ 65.5 parts, carrier;
Described Difenoconazole is 95% former medicine; Water-loss reducer is polyacrylamide type; Wetting dispersing agent is emulsifier op-10 and naphthalene sulfonate; Sagging inhibitor is the mixture of carclazyte and xanthans, both mass ratio 3:1; Carrier is white carbon.
3. according to water-holding slow-release seed treatment described in claim 1 and 2, be 200g ~ 300g/100kg seed for preventing and treating the consumption of wheat sharp eyespot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616983.7A CN103960248B (en) | 2013-11-29 | 2013-11-29 | Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310616983.7A CN103960248B (en) | 2013-11-29 | 2013-11-29 | Moisture-holding sustained-release seed treating agent for controlling wheat sharp eyespot |
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| CN103960248A true CN103960248A (en) | 2014-08-06 |
| CN103960248B CN103960248B (en) | 2015-07-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308838A (en) * | 2011-09-28 | 2012-01-11 | 联保作物科技有限公司 | Flowable concentrate for seed coating for insecticidal purpose and disease prevention |
| CN102334489A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
| CN102334500A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
| CN102388911A (en) * | 2011-09-28 | 2012-03-28 | 联保作物科技有限公司 | Suspension seed coating formulation |
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- 2013-11-29 CN CN201310616983.7A patent/CN103960248B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102308838A (en) * | 2011-09-28 | 2012-01-11 | 联保作物科技有限公司 | Flowable concentrate for seed coating for insecticidal purpose and disease prevention |
| CN102388911A (en) * | 2011-09-28 | 2012-03-28 | 联保作物科技有限公司 | Suspension seed coating formulation |
| CN102334489A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
| CN102334500A (en) * | 2011-10-31 | 2012-02-01 | 联保作物科技有限公司 | Insect-killing and disease-preventing suspension seed coating formulation |
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| CN103960248B (en) | 2015-07-15 |
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