Method for authenticating lodging resistance of rape by virtue of pulling resistance

A lodging-resistant and rapeseed technology, applied in the direction of applying stable tension/pressure to test material strength, strength characteristics, measuring devices, etc., can solve the problems of strict molecular labeling operation requirements and high cost of developing labeling, and achieve simple measurement methods and reduce The effect of low cost of requirements and identification

Inactive Publication Date: 2017-11-17
ECONOMIC CROPS RES INST XINJIANG ACAD OF AGRI SCI
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Problems solved by technology

The disadvantage is that the operation of molecular markers is strictly required, and the cost of developing markers is high. Currently, it is only used in a few units

Method used

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  • Method for authenticating lodging resistance of rape by virtue of pulling resistance
  • Method for authenticating lodging resistance of rape by virtue of pulling resistance

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Embodiment

[0019] We selected 9 rapeseed varieties Springfield, Westar, Legacy, RF04, NCC12, NCC14, AUTUS, ARTUS, and Zhongshuang 11, a total of 9 rapeseed varieties to be identified, and planted them in the field at the experimental field of Xinjiang Academy of Agricultural Sciences in Urumqi, with a planting density of 650,000 plants will be reserved, and each rapeseed variety will be planted 4×4m 2 ; After emergence, grow normally until the filling period, then irrigate during the filling period, and measure the soil moisture content, so that the soil moisture content of the 0-40cm thick soil layer is 10%; randomly select 20 individual plants for each rapeseed variety, and use a Taiwan Nuo Z2 series high-precision dynamometer / Z2-2-10-100-1000 push-pull dynamometer measures the pull-out resistance of each plant. The specific measurement method is: use one end of a special special material rope to fix the rape root neck, and the other One end is fixed on the push-pull dynamometer, verti...

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Abstract

The invention discloses a method for authenticating the lodging resistance of rape by virtue of a pulling resistance. The method comprises the following steps: planting to-be-authenticated in a field, wherein the planting density is 650000 per hectare; after the rape normally grows to a filling period after germination, carrying out watering in the filling period until the water content in a soil layer with a thickness of 0-40cm is 10%-12%; and randomly selecting 20-30 plants, testing the pulling resistance of each plant by virtue of a dynamometer so as to obtain an average pulling resistance A, and judging the lodging resistance of a to-be-tested variety according to the average pulling resistance. The method meets field production requirement, the operation is simple, the requirements on laboratory conditions and techniques are low, and a result is reliable.

Description

technical field [0001] The invention belongs to the technical field of identification of lodging resistance of plants, in particular to a method for identifying the lodging resistance of rapeseed by using pull-out resistance. Background technique [0002] Large-scale lodging of rapeseed causes huge economic losses. Lodging mainly occurs at the filling stage and maturity stage. Breeding lodging-resistant varieties is an important way to reduce economic losses. Therefore, a reliable, simple and practical method for identifying lodging resistance of rapeseed is in It is extremely important in the breeding process. At present, the main methods to identify the lodging resistance of rapeseed include physiological and biochemical methods, molecular markers and other methods. Among them, the physiological and biochemical identification method requires a large amount of drugs and equipment. By detecting the content of relevant physiological indicators, it can indirectly explain the l...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0017
Inventor顾元国侯献飞王娟贾东海李强刘华君付小发陈积豪王天地刘翔宇秦刚
OwnerECONOMIC CROPS RES INST XINJIANG ACAD OF AGRI SCI