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Method for measuring germination biology threshold temperature of cucumber seed

A starting point temperature and biological technology, applied in the direction of germination equipment, etc., can solve the problems of heavy measurement workload, inaccurate measurement, and inaccurate measurement results, and achieve the effect of less workload, easy operation and high accuracy

Inactive Publication Date: 2008-02-27
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practice, it is impossible to directly and accurately measure the
At present, the determination of the biological starting point temperature of seed germination is mainly based on empirical values ​​and using the method of trial value one by one for rough determination, the measurement workload is heavy, and the measurement results are not accurate.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] 300 seeds were randomly selected each time from the new cucumber seed batch of "Zhongnong 203", and were directly sown on double-layer filter paper germination beds, and a total of 12 germination beds were sown. According to each treatment, three germination beds were placed in four intelligent artificial climate chambers with day and night temperature settings of 15 / 14°C, 16 / 14°C, 17 / 14°C, and 18 / 14°C for germination experiments. The actual temperature in the climate chamber is automatically and continuously recorded by the computer once every 3 minutes; the seed germination rate and the total accumulated temperature are observed and recorded 4 times a day, and the germination rate is the germination rate of Zhongnong 203 cucumber seeds (95.33%) measured by the standard germination condition of 25°C Make corrections. Use MATLAB to fit the curve function of germination rate and total accumulated temperature, and calculate the day and night when cucumber seeds reach 70% ...

Embodiment 2

[0013] 300 seeds were randomly selected each time from the new cucumber seed batch of "Zhongnong 203", and were directly sown on double-layer filter paper germination beds, and a total of 12 germination beds were sown. According to each treatment, three germination beds were placed in four intelligent artificial climate chambers with day and night temperature settings of 15 / 14°C, 16 / 14°C, 17 / 14°C, and 18 / 14°C for germination experiments. The actual temperature in the climate chamber is automatically and continuously recorded by the computer once every 3 minutes; the seed germination rate and the total accumulated temperature are observed and recorded 4 times a day, and the germination rate is the germination rate of Zhongnong 203 cucumber seeds (95.33%) measured by the standard germination condition of 25°C Make corrections. Use MATLAB to fit the curve function of germination rate and total accumulated temperature, and calculate the day and night when cucumber seeds reach 75% ...

Embodiment 3

[0015] 300 seeds were randomly selected each time from the new cucumber seed batch of "Zhongnong 203", and were directly sown on double-layer filter paper germination beds, and a total of 12 germination beds were sown. According to each treatment, three germination beds were placed in four intelligent artificial climate chambers with day and night temperature settings of 15 / 14°C, 16 / 14°C, 17 / 14°C, and 18 / 14°C for germination experiments. The actual temperature in the climate chamber is automatically and continuously recorded by the computer once every 3 minutes; the seed germination rate and the total accumulated temperature are observed and recorded 4 times a day, and the germination rate is the germination rate of Zhongnong 203 cucumber seeds (95.33%) measured by the standard germination condition of 25°C Make corrections. Use MATLAB to fit the curve function of germination rate and total accumulated temperature, and calculate the day and night when cucumber seeds reach 80% ...

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Abstract

The invention discloses a testing method of biological starting point temperature of cucumber seed germination, which comprises the following steps: (1) sampling the seed; (2) seeding the dried seed directly; (3) changing daily seed temperature to germinate slowly; (4) testing and correcting the germination; (5) calculating the daily even temperature and respective germination time of the seed under specific germination level; (6) calculating the theoretical value of biological starting point temperature. The invention has precision result and convenient operation, which reduces the working quantity.

Description

technical field [0001] The invention relates to a method for measuring the biological starting temperature of cucumber seed germination, in particular to a method for measuring the biological starting temperature of cucumber seed germination by using an intelligent artificial climate chamber. Background technique [0002] Cucumber is a major worldwide vegetable. Cucumber seed germination has its lower temperature limit, which is the biological starting temperature of seed germination. Different species have different biological starting temperature for seed germination. Theoretically, the biological onset temperature of a certain cucumber seed germination is a specific constant. However, it cannot be directly and accurately measured by experimental methods in practice. At present, the determination of the biological threshold temperature of seed germination is mainly based on empirical values ​​and using the method of trial value one by one for rough determination. The mea...

Claims

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Application Information

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IPC IPC(8): A01C1/02
Inventor 肖深根郑志华施晋杰
Owner HUNAN AGRICULTURAL UNIV
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