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A method for analyzing the critical period of cotton seed finger formation

A seed finger and seed technology, which is applied in the field of analysis of the critical period of cotton seed quality response to the environment, can solve the problems of inability to analyze the relatively sensitive period and response degree, long test period, etc.

Inactive Publication Date: 2017-02-01
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method has a long test period and cannot analyze the relative sensitivity period and response degree of each stage of seed development to changes in meteorological factors.

Method used

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  • A method for analyzing the critical period of cotton seed finger formation
  • A method for analyzing the critical period of cotton seed finger formation
  • A method for analyzing the critical period of cotton seed finger formation

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Experimental program
Comparison scheme
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Embodiment Construction

[0026] In order to make this analysis method clear, complete and easy to implement, it will be further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0027] 1. Test materials

[0028] The cotton variety "Siza No. 3", which was popularized in a large area in the cotton area in the lower reaches of the Yangtze River Basin, was selected as the research material.

[0029] 2. Measuring indicators

[0030] Listed to mark the flowering and boll-opening stages of different fruiting branches of cotton (lower fruiting branches, middle fruiting branches, upper fruiting branches) and different fruit nodes (inner and outer peripheries). After the cotton bolls crack (flooring stage), randomly collect 20-20 30 cotton bolls were collected after air-drying and ginning. The weight of 100-seeds (seed fingers) was weighed by a thousandth balance scale, and the seed fingers of seeds at different flowering stages were recorded.

[0031] The tot...

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Abstract

The invention discloses a method for analyzing seed indexes of key cotton seed forming periods. The seeds indexes of cotton seeds of different fruit spurs and different fruit sections from the florescence to boll opening period of cotton are recorded, the meteorological conditions of the seeds in the growing process are divided into a plurality of stages, orthogonal regression is conducted through an orthogonal matrix, and the key periods and the influence degree of influence of the seed yield and quality are analyzed. The analysis technical scheme is applied to the seed production line for the first time for controlling the seed quality. The two-year test results vigorously verify the accuracy and repeatability of the analysis scheme. Meanwhile, the analysis scheme has actual reference value for oilseed rape, soybean, corn and other crops.

Description

technical field [0001] The invention relates to the field of seed production, in particular to an analysis method for analyzing the critical period of cotton seed quality response to the environment. Background technique [0002] At present, extreme environmental conditions such as high temperature and drought occur frequently in the world, the population is growing explosively, the available arable land is decreasing, and people's demand for biodiesel and ruminant feed is increasing. While cotton seeds are used as raw materials for the textile industry, their seeds have high oil and protein content. Cotton seeds are high-quality biodiesel and feed for ruminants. The inter-annual fluctuation of meteorological factors is the key factor affecting the stability of cotton yield and quality, and the stability of cottonseed quality restricts the stability and consistency of cottonseed industrial processing products. Therefore, studying the sensitive period and degree of influence...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G06F19/00
Inventor 陈兵林杨洪坤周治国孟亚利赵文青王友华王珊珊
Owner NANJING AGRICULTURAL UNIVERSITY