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Method for detecting corn storability

A corn and storability technology, applied in the fields of botanical equipment and methods, seed immunity, planting substrate, etc., can solve the problems of huge differences in storability, unable to meet breeders' requirements for corn storability, etc., and achieve experimental operation. Simple and clear, the method is suitable for the effect

Pending Publication Date: 2020-08-07
JILIN ACAD OF AGRI SCI
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AI Technical Summary

Problems solved by technology

Commonly used artificial aging methods include 40°C high temperature and high humidity aging (HH), saturated salt accelerated aging (SSAA), 58±1°C hot water bath aging (HW) and 50% methanol aging (MS). The results of the methods for storage stability vary greatly, and no research shows which method is the most suitable, which can be used as a testing standard
At the same time, with the continuous improvement of the level of maize genetics and breeding, the ability of breeding materials represented by maize inbred lines has gradually improved in terms of storability and other aspects. The existing artificial aging methods can no longer meet the needs of breeders for maize storability. Require

Method used

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  • Method for detecting corn storability
  • Method for detecting corn storability
  • Method for detecting corn storability

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Experimental program
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Effect test

Embodiment 1

[0033] 1. Experimental materials

[0034] 60 commonly used inbred lines for breeding in northern spring corn areas were provided by the Maize Research Institute of Jilin Academy of Agricultural Sciences.

[0035] 2. Experimental instruments and consumables

[0036] High temperature and high humidity artificial aging box (LH-150S, Top Scientific Instruments (Zhejiang) Co., Ltd.)

[0037] Artificial culture room, 10×15cm gauze bag, enamel tray, vermiculite.

[0038] All reagents were of analytical grade, and water was distilled water or water of equivalent purity.

[0039] 3. Experimental method

[0040] (1) Take the fruit ears of the inbred line after harvesting in the autumn of the current year, air-dry each material until the water content of the grain is below 14%, take 50 plump and consistent corn seeds after threshing, soak in 10% sodium hypochlorite solution for 30 minutes, and wash with distilled water After three times, let it dry naturally, seal it with a 10×15cm g...

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Abstract

The invention provides a method for detecting corn storability, and relates to the technical field of storability detection. When a high-temperature and high-humidity method is used for testing the storage resistance of corn seeds, the temperature is controlled to be 48-53 DEG C, the humidity is controlled to be 95-100%, and the germination potential and the germination rate of the aged seeds aremeasured, so that the storage resistance of the corn seeds is judged. According to the method, temperature and humidity control can be used as a standard for identifying the storage resistance of theseeds of the northeast corn self-bred line, the experimental operation is simple and clear, and the method is suitable for popularization.

Description

technical field [0001] The invention belongs to the technical field of storability detection, and in particular relates to a method for detecting storability of corn. Background technique [0002] Corn is the largest crop in my country and plays an important role in agricultural production. Since the beginning of the 21st century, with the rapid development of my country's corn seed industry, more and more seed companies have entered the seed industry market, making the production of corn seeds far greater than the demand, and a large number of corn seeds need short-term or long-term storage. At present, most seed industry units generally use normal temperature warehouses to store the remaining corn seeds. Even if low temperature storage is used, with the increase of storage time, the seed vigor also shows a downward trend year by year, and finally loses its use value. The cost will also bring different degrees of economic losses to the seed production unit. Studies have s...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/02A01C1/08A01G9/029A01G24/15A01H1/02A01H1/04
CPCA01C1/00A01C1/02A01C1/08A01H1/02A01H1/04A01G9/029A01G24/15
Inventor 李穆卢实高婷婷路明黄威王薪淇孟令聪王敏孙传波周德龙郑淑波何欢刘宏伟
Owner JILIN ACAD OF AGRI SCI
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