ZHANG Zhen-yu,HU Yuan-fu,DANG Shu,et al.Effect of Low Temperature on Glumous Flowers and Seed Setting Rate of Different Rice Varieties of Heilongjiang Provice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(08):32-34.[doi:10.11942/j.issn1002-2767.2016.08.0032]
低温对黑龙江省不同水稻品种穗颖花数和结实率的影响
- Title:
- Effect of Low Temperature on Glumous Flowers and Seed Setting Rate of Different Rice Varieties of Heilongjiang Provice
- 文章编号:
- 1002-2767(2016)08-0032-03
- Keywords:
- rice; low temperature; glumous flower; seed setting rate
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 为解决寒地水稻低温冷害问题,在人工模拟冷害条件下,调查水稻的每穗颖花数和结实率,研究黑龙江省不同基因型水稻品种抵抗冷害差异。结果表明:不同冷害处理条件影响不同水稻品种的每穗颖花数和结实率,随着处理温度的提高,颖花数均有一定程度的增加。3种冷害温度处理下,若水稻品种的每穗颖花数较多,其结实率均较低,说明库容大的水稻品种较易受到低温冷害的影响,进而影响水稻的最终产量。
- Abstract:
- In order to solve the problem of chilling damages of cold rice, effect of low temperature on different genotypes rice varieties in Heilongjiang province was investigated, total number of glumous flower and seed setting rate in artificial chilling conditions were analyzed.The results showed that the total number of glumous flowers were increased with the temperature rising, different chilling conditions affect the total number of glumous flower and seed setting rate. If the total number of glumous flower was more, the seed setting rate was lower in three kinds of chilling temperature treatment. It was suggested that the effect of large capacity of rice varieties were more susceptible to chilling injury, and then affect the final yield of rice.
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备注/Memo
收稿日期:2016-07-07