Effect of Low Temperature and Low Light Intensity on Translocation and Partition of 14 C assimilates at Seedling Stage in Cucumber

doi:10.3321/j.issn:1000-7091.1998.01.026

Abstract

Abstract: The effect of low temperature and low light intensity on the translocation and partition of 14 C assimilates in 5 cucumber cultivars was studied.The results showed that the 2 temperature treatments,20℃/10℃(day/night)and constant 15℃,accompany with irradiance of 100μE·m -2 ·s -1 with a daylength of 8hr,significantly reduced the translocation of 14 C assimilates,thus making an extremely significant difference with the control.The translocation of 14 C assimilates to other leaves was significantly reduced,while those in the meristem,stem and root were not.Significant difference was not found in the translocation and partition of the assimilates in different parts of different cultivars under low temperature.

Key words: Low temperature, Cucumber seedlings, ⁴C assimilate

CLC Number:

S642.2

Jiang Yiwei, Wang Yongjian, Wu Guosheng, Zhang Feng, Zhang Lirong. Effect of Low Temperature and Low Light Intensity on Translocation and Partition of 14 C assimilates at Seedling Stage in Cucumber[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1998, 13(1): 133-135. doi: 10.3321/j.issn:1000-7091.1998.01.026.

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