调亏灌溉对春小麦株高和千粒重的影响

李 芳松, 罗  旭, 李 凌锋, 李  悦
新疆水利水电科学研究院

摘要


为了探究春小麦不同生育阶段在不同亏水模式下的生理表现,本文以春小麦3个生育阶段、3个亏水程度下的株高和千粒重为研究对象,进行了春小麦调亏灌溉试验。结果表明:①在苗期-拔节期、拔节期-抽穗期,春小麦株高随着水分调亏程度的增强受水分胁迫抑制作用会加强;在抽穗期-成熟期,春小麦株高受水分胁迫影响不大。②在春小麦生长发育的各个阶段,轻度、中度水分调亏对小麦千粒重的胁迫抑制作用不大,而重度水分调亏对千粒重的胁迫抑制作用较大。

关键词


调亏灌溉;生育期;春小麦;株高;千粒重

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参考


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DOI: http://dx.doi.org/10.12361/2661-3786-06-02-132184

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