Method for identifying wheat spring frost resistance with movable solar greenhouse

A solar greenhouse and wheat technology, applied in horticultural methods, botanical equipment and methods, applications, etc., can solve problems such as significant differences in damage levels

Active Publication Date: 2019-07-30
WHEAT RES INST OF AGRI SCI
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  • Abstract
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Problems solved by technology

However, in the plots where the same late spring cold occurred, the degree of damage among different varieties was significantly different

Method used

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  • Method for identifying wheat spring frost resistance with movable solar greenhouse

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Embodiment Construction

[0018] The identified materials are 13 tested varieties or strains (including the control Jimai 22) of Group A of the North Shuidi Group in the Huanghuai winter wheat region, namely: Yan 1212, Lunxuan 266, Shi 12-4025, Jimai 22, etc. Identification. The test site is Han Village, Tunli Town, Yaodu District, Linfen City, Shanxi Province, and the Han Village Experimental Base of the Wheat Research Institute of Shanxi Academy of Agricultural Sciences. Utilize the concrete implementation steps of the inventive method to be:

[0019] (1) Establish a mobile solar greenhouse; sliding tracks for movable greenhouses are installed on the ground on both sides of the bottom of the solar greenhouse; the size of the solar greenhouse is 4.0 m (width) × 6.0 m (length) × 2.0 m (the highest point of the arc); 13 materials were identified;

[0020] (2) The varieties or strains of crops to be identified shall be sown in the same way as the local field sowing management, and 2 sets of sowing shal...

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Abstract

The invention relates to a method for identifying wheat spring frost resistance with a movable solar greenhouse, the aims of which are that selected parameters are consistent, and results are more accurate. The method comprises the following steps: firstly establishing one or more mobile solar greenhouses; mounting movable greenhouse sliding tracks on the ground on the two sides at the bottom of the solar greenhouse; sowing to-be-identified materials on time according to the local field seeding management; sowing two sets of materials simultaneously; after wheat is overwintered, before the jointing period around March 5th, performing solar greenhouse coverage temperature rise on one of the materials to promote the growth and the development of the material and then performing low-temperature stress treatment around April 1st to stop the covering heat preservation; during the solar greenhouse temperature rise of the material, properly removing the solar greenhouse at noon on a sunny andwindless day so as to prevent the etiolation of material seedlings and performing solar radiation to prevent high temperature in the solar greenhouse and insufficient light from forming the etiolatedseedlings; after the frost damage treatment of the material, recording the frost damage of the different materials by leaf frost damage.

Description

technical field [0001] The invention relates to a method for identifying spring frost tolerance of wheat by using a movable solar greenhouse. Background technique [0002] Winter wheat is an overwintering crop planted in autumn and harvested in summer. The whole growth period has to experience the ecological adaptability test of three extreme temperatures: extreme cold in winter, spring frost at jointing and booting stage, and abnormal high temperature (or dry hot wind) at grain filling stage. Frost is unpredictable, so little is known about the resistance of some popular varieties in production, and the strength of resistance can only be known when these special climates occur. Spring frost refers to low-temperature disasters after wheat turns green in spring, including both low-temperature freezing damage below 0°C and low-temperature freezing damage above 0°C. However, because the symptoms of freezing damage and freezing damage are similar, they are generally collectively...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/00A01G22/20
CPCA01G22/20A01G7/00
Inventor 李世平靖金莲安晓东李润楠刘玲玲黄丽波武英鹏田玮玮
Owner WHEAT RES INST OF AGRI SCI
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