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Seed coating agent for promoting cotton planet forming and preparation method thereof

A saline-alkali land and cotton technology, applied in the field of preparations, can solve problems such as inconvenient use, increased cost, and difficulty in mastering, and achieve the effects of strong coating adhesion, stable performance, and convenient use

Inactive Publication Date: 2009-01-07
SHANDONG COTTON RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Though these two kinds of salt-resistance agents all have the effect of strengthening cotton seed (seedling) salt-tolerant, weak point is, on the one hand it has only promoted seed emergence and has no effect of preserving seedling, especially can not prevent disease and chilling damage; On the one hand, these anti-salt agents require soaking or foliar spraying, which do not conform to the general trend of popularizing delint-coated cotton seeds and then mechanized planting. They are inconvenient to use, difficult to master, and difficult to popularize and apply.
However, simply combining the raw materials related to salt resistance, cold resistance and disease prevention not only increases the cost, but also is not conducive to the emergence and preservation of seedlings due to the mutual influence of different chemical components on the emergence and growth of seedlings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A seed coating agent for promoting seedling growth of cotton in saline-alkali land, the composition weight percentage is: carbendazim 5%, thiram 12%, gibberellin 0.05%, vitamin B 6 0.2%, Sodium tetraborate decahydrate 0.1%, Sodium α-naphthyl acetate 0.05%, Manganese sulfate 1%, Sodium nitrophenolate 1%, Zinc sulfate 0.1%, Potassium humate 2%, Urea 2%, Dihydrogen phosphate Potassium 1%, dimethyl sulfoxide 1%, emulsifier Nongru 0201B 4%, film-forming agent carboxymethyl cellulose 5%, warning color rhodamine 0.5%, defoamer 0.01%, alcohol 0.15%, The balance is water.

[0023] Pour 50g of carbendazim and 120g of thiram into a mortar and grind them respectively, and pass through a 600-mesh sieve; first dissolve 0.5g of gibberellin in 1.5ml of alcohol, then add water to dissolve; 2g of vitamin B6 and 1g of sodium tetraborate decahydrate are dissolved in Hot water, cooling, add water until completely dissolved; then with 0.5g sodium α-naphthalene acetate, 10g manganese sulfate...

Embodiment 2

[0026] A seed coating agent for promoting seedling growth of cotton in saline-alkali soil, the composition weight percentage is: hymexazol 5%, thiram 11%, gibberellin 0.03%, vitamin B6 0.2%, sodium tetraborate decahydrate 0.1%, 0.05% sodium α-naphthyl acetate, 1% manganese sulfate, 1% sodium nitrophenolate, 0.1% zinc sulfate, 2% potassium humate, 2% urea, 1% potassium dihydrogen phosphate, 1% dimethyl sulfoxide , Nongru 0203B 4% is used as emulsifier, 5% polyvinyl acetate resin is used as film forming agent, 0.5% basic fuchsin is used as warning color, 0.01% defoamer is used, and the balance is clear water.

[0027] Dissolve 0.3kg gibberellin with 0.9L alcohol and add water until completely dissolved; 2kg vitamin B6 and 1kg sodium tetraborate decahydrate are dissolved in hot water respectively, then cool, and then add water until completely dissolved; Thiram, 0.5kg α-naphthyl acetate, 10kg manganese sulfate, 10kg sodium nitrophenolate, 1kg zinc sulfate, 20kg potassium humate, ...

Embodiment 3

[0029] Embodiment 3 (seed coating effect test-indoor germination test)

[0030] The wool of Lumianyan 21 (formerly code-named Lu 1138, GK34, approved by Shandong Province in March 2005, and approved by the State in April 2005) was delinted with concentrated sulfuric acid, rinsed and dried in the air. Select plump and uniform seeds, respectively use the seed coating agent of the present invention (prepared in the manner of Example 1), Weifu seed coating agent coating (seeding agent: seeds are all 1: 50, w / w), with different Coated velvet photons were used as controls. 1000g of fine sand (dried at 150° C. for 8 hours in advance) is packed into each germination box, and 50 seeds are sown into each box. Water the saline solution (150mmol / L NaCl solution) according to the sand:salt solution ratio of 8:1 (w / w), and each treatment is repeated 4 times. After sowing, place it under the condition of 25 / 18°C (day / night) for germination test, record the germination potential (the number...

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Abstract

The invention discloses a seed-dressing agent for promoting cotton seedling in alkaline land and preparation method thereof, wherein the seed-dressing agent comprises the following components: carbendazim or hymexazol, thiram, gibberellin, vitamin B, sodium tetraborate decahydrate, Sodium alpha-naphthaleneacitic acid, manganese sulfate, compound sodium nitrophenolate, zinc sulfate, potassium humate, carbamide, potassium dihydrogen phosphate, dimethyl sulfoxide, emulsifier, film former, warning colour, anti-foaming agent, the balance being water. The preparation process comprises adding carbendazim (or hymexazol), thiram, dissolved other solid (crystal) materials and water in appropriate amount into a grinding kettle, grinding with other components except film former, and mixing with film former. Capsuled seeds are prepared by mixing the seed-dressing agent and seeds in a weight rate of 1 to 50 and then airing. The seed-dressing agent can substantially enhance cold resistant, salt resistant and prophylaxis capability of the seedlings, promote seedling-coming-out and seedling-protection of cotton seeds in alkaline land, and especially be suitable for dressing cotton seeds in alkaline land.

Description

1. Technical field [0001] The invention relates to a film-forming preparation for seed coating, especially a seed coating agent for promoting cotton seed emergence and seedling formation in saline-alkali land. 2. Background technology [0002] There are 950 million hectares of saline-alkali land in the world, which are precious land resources for human beings. With the expansion of world population and the rapid growth of demand for agricultural products, saline-alkali land is becoming more and more important to human survival and social development. my country is one of the countries with the largest area of ​​saline-alkali land in the world, and it is also the largest cotton-producing country and raw cotton consumer in the world. Taking advantage of the strong salt tolerance of cotton to vigorously develop cotton planting in saline-alkali land is not only a realistic way to alleviate the conflict between grain and cotton. It is also an effective way to ensure the supply of ...

Claims

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Application Information

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IPC IPC(8): A01C1/08
Inventor 董合忠李维江张晓洁辛承松唐薇张冬梅
Owner SHANDONG COTTON RES CENT
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