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Method for increasing synthesis rate of starch of wheat grain

A technology of synthesis rate and wheat grain, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of high thousand-grain weight potential being difficult to fully exert, poor plumpness, restricting yield, etc., to improve the starch synthesis rate, Small amount of reagents, the effect of improving thousand-grain weight and yield

Inactive Publication Date: 2015-05-06
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]In the main wheat producing areas of my country, unfavorable weather often occurs in the late stage of wheat grain filling, especially high temperature, which restricts the synthesis and accumulation of starch in the grain of many wheat varieties, resulting in the The potential of high thousand-grain weight is difficult to be fully utilized, thus restricting the further increase of yield
Nowadays, the thousand-grain weight potential of wheat varieties popularized in large areas is mostly above 48 g, but in actual production, the thousand-grain weight of these varieties is below 42 g all the year round, and the plumpness is poor. Kg / 666.7m2 above

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for improving the synthesis rate of wheat grain starch, comprising the following steps:

[0022] (1) Prepare an aqueous solution containing 0.069 g / L salicylic acid and 0.8 g / L Tween 40;

[0023] (2) On May 19, 2011, 1 mu (666.7m 2 ) wheat field, 15 days after wheat flowering, at dusk on a sunny day, spray the solution evenly on the back of the wheat leaves, subject to the fact that the solution is about to flow down on the leaves, the dosage is 35 Kg / 666.7m 2 , and you're done. The control test was spraying the same amount of distilled water (other test conditions were the same). The experiment was randomly set and repeated 3 times. Wheat cultivation management measures adopt local customary methods. The results of yield measurement at maturity showed that compared with the control, the grain starch synthesis rate of wheat plants treated with salicylic acid increased by 26.5%, and the thousand-grain weight and yield increased by 6 g and 36 Kg, respectively...

Embodiment 2

[0025] A method for improving the synthesis rate of wheat grain starch, comprising the following steps:

[0026] (1) Prepare a uniform aqueous solution containing 0.02 g / L salicylic acid and 0.5 g / L Tween 40;

[0027] (2) On May 20, 2012, in the 14th branch of the state-run Shangshui County, Zhoukou City, a 5-acre wheat field was taken, and 18 days after the wheat flowered, the solution was evenly sprayed on a sunny day at dusk. On the back of wheat leaves, subject to the fact that the solution is about to flow down on the leaves, the dosage is 40 Kg / 666.7m 2 , and you're done. The control test was spraying the same amount of distilled water (others were the same). The experiment was randomly set and repeated 3 times. Wheat cultivation management measures adopt local customary methods. The results of yield measurement at maturity showed that compared with the control, the grain starch synthesis rate of wheat plants treated with salicylic acid increased by 22.4%, and the th...

Embodiment 3

[0029] A method for improving the synthesis rate of wheat grain starch, comprising the following steps:

[0030] (1) Prepare an aqueous solution containing 0.11 g / L salicylic acid and 1.0 g / L Tween 40;

[0031] (2) On May 20, 2013, in the 14th branch of Shangshui County, Zhoukou City, 8 mu of wheat field was taken, and the solution was evenly sprayed on the wheat leaves 20 days after the wheat flowered, at dusk on a sunny day On the back, subject to the fact that the solution is about to flow down on the leaves, the dosage is 40 Kg / 666.7m 2 , and you're done. The control test was spraying the same amount of distilled water (others were the same). The experiment was randomly set and repeated 3 times. Wheat cultivation management measures adopt local customary methods. The results of yield measurement at maturity showed that compared with the control, the grain starch synthesis rate of wheat plants treated with salicylic acid increased by 21.1%, and the thousand-grain weight...

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Abstract

The invention relates to a method for increasing synthesis rate of starch of wheat grain. The method comprises the step of evenly spraying a certain concentration of mixed solution of salicylic acid and Tween 40 to wheat blade backs on 15-20 days after wheat anthesis at nightfall in a sunny day, wherein the use level of the mixture solution is 30-40Kg / 666.7m<2>. The synthesis rate of the starch of the wheat grain treated by the method disclosed by the invention can be increased by 16.1-26.5 percent, the thousand seed weight can be increased by 3-6g, and the yield is increased by 20-40Kg / 666.7m<2>.

Description

technical field [0001] The invention belongs to the field of agricultural applied biotechnology, and in particular relates to a method for improving the synthesis rate of wheat grain starch. Background technique [0002] Wheat is one of the most important food crops in the world. Under the current situation of increasing population and decreasing arable land area, increasing the yield of wheat per unit area is the most important way to ensure food supply. With the continuous improvement of wheat yield level, among the three elements of wheat yield (number of ears per unit area, number of grains per ear, and thousand-grain weight), thousand-grain weight has become the limiting factor for the yield of most wheat varieties in major wheat producing areas in my country. Starch accounts for about 70% of the weight of wheat grains and is the most important component of wheat grains. Therefore, increasing the thousand-grain weight of wheat mainly lies in improving the synthesis and ...

Claims

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Application Information

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IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 康国章肖向红李鸽子王利娜王鹏飞郭天财
Owner HENAN AGRICULTURAL UNIVERSITY
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