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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 inaccurate measurement results, heavy measurement workload, and inability to measure accurately, and achieve the effect of simple operation, low workload and high accuracy

Inactive Publication Date: 2010-03-24
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 from the "Zhongnong 203" cucumber new seed batch each time, and they were directly sown on a double-layer filter paper germination bed for a total of 12 germination beds. According to each treatment, 3 germination beds were placed in four intelligent artificial climate chambers with day and night temperature settings of 15 / 14℃, 16 / 14℃, 17 / 14℃, and 18 / 14℃ for germination experiments. The actual temperature of the climate room is automatically and continuously recorded by the computer every 3 minutes; the germination rate and total accumulated temperature of the seeds are observed and recorded 4 times a day. The germination rate is the germination rate of Zhongnong 203 cucumber seeds (95.33%) measured under the standard germination conditions of 25℃. Make corrections. Using MATLAB to fit the curve function of germination rate and total accumulated temperature, calculate the day and night when cucumber seeds reach 70% germination rate under ...

Embodiment 2

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

Embodiment 3

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

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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 for seed germination. Different varieties have different biological starting temperature for seed germination. In theory, the biological starting temperature for germination of a certain cucumber seed is a specific constant. However, in fact, it cannot be directly and accurately determined by test methods. At present, the determination of the biological starting temperature of seed germination is mainly based on the empirical value and the method of one-by-one rough measurement is used. The measurement workload is lar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/02
Inventor 肖深根郑志华施晋杰
Owner HUNAN AGRICULTURAL UNIV
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