MA Rui.Research on the Grain-filling Difference of Different Spike Types Rice Varieties[J].HEILONGJIANG AGRICULTURAL SCIENCES,2009,(01):31-32.
不同穗型水稻籽粒灌浆差异的研究
- Title:
- Research on the Grain-filling Difference of Different Spike Types Rice Varieties
- 文章编号:
- 1002-2767(2009)01-0031-02
- Keywords:
- rice ; spike sty le; filling speed; strong particles; sick particles
- 分类号:
- S511
- 文献标志码:
- A
- 摘要:
- 对三种不同穗型水稻灌浆期进行研究, 了解各类型水稻的灌浆特点, 从中分析比较各类型水稻灌浆期强弱势粒间的差异。结果表明:穗数型品种的强弱势粒到达最大灌浆速率的时间差值最小, 较为同步, 生长上表现灌浆快;穗重型品种的强弱势粒到达最大灌浆速率的时间差值最大, 而且弱势粒灌浆启动较慢, 生长上表现灌浆慢;中穗型介于两者之间。原因在于各类型品种强势粒灌浆时间较一致;而各类型品种弱势粒间灌浆时间差异较大, 导致不同穗型水稻品种灌浆不一致。
- Abstract:
- The difference of strong particles and sick particles of three different spike ty pes in filling stage was analyzed afterstudying their grain-filling characteristics .The results indicated that the time difference of reaching the largest filling speedbetween strong par ticles and sick particles of mo re-spike type variety was minimum, and growth presented filling faster ;Theweight-spike ty pe was the o pposite to more-spike ty pe, and the middle-spike varieties between them .The reason was that thefilling time of the strong particles of the three ty pes was the same , while the time difference of sick particles was significant,which led to the differences of g rain-filling .
参考文献/References:
[ 1] 徐正进, 陈温福, 张文忠.水稻产量潜力与株型演变[ J] .沈阳农业大学学报,2000, 31(6):534-536 .
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备注/Memo
作者简介:马瑞(1984-),男,黑龙江省通河县人,在读硕士研究生,研究实习员,从事寒地水稻育种研究。Tel :0454-8351079 ;E-mail:hjsmarui@163 .com。