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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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 t

Method used

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Examples

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Example Embodiment

[0020] Example 1

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

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

[0023] (2) On May 19, 2011, in the Science and Technology Demonstration Park of Henan Agricultural University, Huiji District, Zhengzhou City, 1 mu (666.7m 2 ) Wheat field, 15 days after the wheat blooms, choose to spray the solution evenly on the back of the wheat leaves at dusk on a sunny day, and the solution is about to flow down on the leaves, the dosage is 35 Kg / 666.7m 2 , Is complete. The control test is to spray the same amount of distilled water (other test conditions are the same). The experiment was set randomly and repeated 3 times. Wheat cultivation and management measures adopt local customary methods. The results of the yield measurement at the maturity stage showed that compared with the control, the starch synthesis rate of wheat plants ...

Example Embodiment

[0024] Example 2

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

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

[0027] (2) On May 20, 2012, at the 14th branch of the state-owned branch of Shangshui County, Zhoukou City, a 5 mu wheat field was taken. 18 days after the wheat bloom, the solution was evenly sprayed on the sunny day and dusk. On the back of wheat leaves, the solution is about to flow down on the leaves, the dosage is 40 Kg / 666.7m 2 , Is complete. The control experiment is to spray the same amount of distilled water (others are the same). The experiment was set randomly and repeated 3 times. Wheat cultivation and management measures adopt local customary methods. The results of the yield measurement at the maturity stage showed that compared with the control, the starch synthesis rate of wheat plants treated with salicylic acid increased by 2...

Example Embodiment

[0028] Example 3

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

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

[0031] (2) On May 20, 2013, at the 14th branch of Shangshui County, Zhoukou City, take 8 acres of wheat fields, 20 days after the wheat blooms, choose the clear day and dusk, and spray the solution evenly on the wheat leaves On the back, the solution is about to flow down on the blade, the dosage is 40 Kg / 666.7m 2 , Is complete. The control experiment is to spray the same amount of distilled water (others are the same). The experiment was set randomly and repeated 3 times. Wheat cultivation and management measures adopt local customary methods. The results of the yield measurement at the maturity stage showed that compared with the control, the starch synthesis rate of wheat plants treated with salicylic acid increased by 21.1%, and the thousand-grain w...

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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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