Drought-resistance and water-holding yield increasing agent and preparation method thereof

A production-increasing agent and seed soaking agent technology, applied in the field of pesticides, can solve the problems of high production cost, limited resources, and low biological activity of camelamine, and achieve the effects of increasing emergence rate, enhancing drought resistance, and obvious effect on root system

Inactive Publication Date: 2011-05-18
司文会
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The biological activity of the "FA Handilong" is relatively low, and the production cost of hastine (79041) is high, and resources are limited

Method used

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  • Drought-resistance and water-holding yield increasing agent and preparation method thereof
  • Drought-resistance and water-holding yield increasing agent and preparation method thereof
  • Drought-resistance and water-holding yield increasing agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: Preparation of Drought Resistant Water Conservation and Yield Increase Agent

[0030] (1) Preparation of soaking agent: Dissolve gibberellin in ethanol, add water, calcium chloride and synergist diwiltane after completely dissolving, and finally, every 1 liter of soaking agent contains 50 mg of gibberellin and 10 g of calcium chloride , synergist 5mg;

[0031] (2) Preparation of seed dressing: preparation reaction system, according to weight ratio, acrylic acid: ammoniacal liquor: sodium hydroxide aqueous solution: potassium persulfate: water=7.5: 3: 4: 0.05: 5.5 gets each raw material; Wherein, acrylic acid and persulfuric acid The purity of potassium is industrial pure; the concentration of ammonia water is 15% by mass; the concentration of sodium hydroxide aqueous solution is 40%; first dissolve acrylic acid in water, then add ammonia water and sodium hydroxide aqueous solution, stir evenly, and then add potassium persulfate , stirring evenly; at 50°C-...

Embodiment 2

[0032] Embodiment 2: Preparation of Drought Resistant Water Conservation Yield Increase Agent

[0033] (1) Prepare seed soaking agent: Dissolve gibberellin in ethanol, add water after dissolving completely, add calcium chloride and synergist diwiltan and tebuconazole mixture in equimolar ratio, finally, every 1 liter of soaking agent contains Gibberellin 45mg, calcium chloride 15g, synergist 5mg;

[0034] (2) Preparation of seed dressing: preparation reaction system, according to weight ratio, acrylic acid: ammoniacal liquor: sodium hydroxide aqueous solution: potassium persulfate: water=8: 2.6: 4.1: 0.03: 5.9 gets each raw material; Wherein, acrylic acid and persulfuric acid The purity of potassium is industrial pure; the concentration of ammonia water is 25% by mass; the concentration of sodium hydroxide aqueous solution is 45%; first dissolve acrylic acid in water, then add ammonia water and sodium hydroxide aqueous solution, stir evenly, and then add potassium persulfate ...

Embodiment 3

[0035] Embodiment three: seed soaking, seed dressing treatment

[0036] Select wheat variety Wanmai 19, seed dressing agent and seed soaking agent obtained in embodiment two.

[0037] Pot planting test: Selected wheat seeds were sterilized with 0.1% mercuric chloride solution, and after treatment, they were planted in paper pots with a soil moisture content of 15%, 50 seeds per pot;

[0038] 3 kinds of dosages of seed dressing: 1%, 2%, 3% of seed weight respectively; 3 kinds of seed soaking times of soaking agent: 4h, 8h, 12h, altogether 9 treatment combinations, assuming normal moisture (soil moisture content is 24% ) control and drought (15% soil moisture) control; each treatment was repeated 5 times.

[0039] Three days after sowing, the germinated seeds were taken to measure the activity of α-amylase by heating and inactivating β-amylase.

[0040] The 8-day-old seedlings were taken to measure the peroxidase activity by the guaiacol colorimetric method, the soluble sugar ...

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Abstract

The invention discloses a drought-resistance and water-holding yield increasing agent and a preparation method thereof. The drought-resistance and water-holding yield increasing agent comprises a seed soaking agent and a seed dressing agent. The seed soaking agent contains gibberellins, calcium chloride, synergist and a solvent A, wherein one liter of seed soaking agent contains 45 to 55 micrograms of gibberellins, 5 to 15 grams of calcium chloride, 2 to 5 micrograms of synergist; the synergist is one or two of dividend or tebuconazole; and the solvent A is a mixture of ethanol and water. The seed dressing agent is prepared by a method comprising: dissolving acrylic acid in water, adding ammonia water and aqueous solution of sodium hydroxide, uniformly stirring, adding potassium peroxydisulfate and uniformly stirring; and performing polymerization at 50 to 90 DEG C for at least 20 minutes, and drying the reaction product at 50 to 60 DEG C after the reaction is finished. When wheat seeds are treated by both the seed soaking agent and the dressing agent, which are prepared in the invention, the emergence rate of wheat under a high-drought condition can be improved obviously, namely when the wheat seeds are soaked for 8 hours and dressed by the seed dressing agent at a mass percentage concentration of 2 percent, the emergence rate of the wheat seeds reaches 94 percent which is higher than that under a normal water moisture condition.

Description

technical field [0001] The invention belongs to the field of pesticides, and relates to a drought-resistant, water-retaining and yield-increasing agent and a preparation method thereof. Background technique [0002] In many wheat producing areas, due to dry soil and water shortage, wheat yields have been low and unstable for a long time. Especially during the sowing period of wheat, there is little rainfall or even no rainfall for a long time, which makes the soil dry and unable to sow. Judging from the current situation, the shortage of water resources and the threat of drought will be long-term. To improve the production level of wheat, we must seek scientific and efficient water-saving cultivation methods. [0003] Soil water-retaining agent (also known as drought-resistant water-retaining agent, humectant, solid water, etc. only refers to water-retaining agent for agriculture and forestry) is a synthetic high-molecular polymer with super water-absorbing and water-retain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A01N43/90A01N43/653A01P1/00A01P3/00A01P7/00A01P21/00A01C1/06
Inventor 司文会杨伟球华景清阙小峰张素芹徐良
Owner 司文会
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