The Effect of Variation of Temperature and Light on Hybrid Rice Agronomic Characteristics

doi:10.3321/j.issn:1000-7091.1998.01.012

Abstract

Abstract: Through analysing the effect of accumulated temperature and light during the growing period on hybrid rice agronomic characteristics,it is learned that the magnitude of the effect of accumula ted temperature on each agronomic characteristic was in such anorder as empty seed percent>yield>1000-grain weight>effective ears>plant height>seeds of perear,them agnitude of the effect of light on each character isticw as in the order of 1000-grain weight>seeds of perear >plant height >effective ears>empty seed percent>yield . The regression equation of temperature and light to yield isY-=-112.950+0.4498X1+0.0121X2.

Key words: Hybrid Rice, Effective accumulated temperature, Light, Agronomic characteristics

CLC Number:

S511

Li Weiguo, Wang Guangyuan, Yu Xiaohui, Mei Qing. The Effect of Variation of Temperature and Light on Hybrid Rice Agronomic Characteristics[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1998, 13(1): 61-63. doi: 10.3321/j.issn:1000-7091.1998.01.012.

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http://www.hbnxb.net/EN/Y1998/V13/I1/61

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