分蘖期淹水对水稻生长发育和产量的影响

Anhui Agricultural Science Bulletin(2007)

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Abstract
采用系统调查方法,研究了分蘖期淹水杂交籼稻和常规粳稻植株生长发育和产量的影响,结果表明:分蘖期淹水后植株根系发黑,分蘖数减少,受淹时同伸的叶片和节间变长,之后发生的叶片和节间变短,株高变矮,有效穗数、每穗粒数,结实率和千粒重变小,产量下降,且随着淹水时间延长,受害程度加剧。杂交籼稻耐涝性强于常规粳稻。
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