梯度量化控水条件下的水稻产量耐旱性评价

来源 :中国作物学会2015年学术年会 | 被引量 : 0次 | 上传用户：lishine369

【摘要】

：

为研究水稻耐旱性评价体系,设计了＞100％、80％、60％、40％田间持水量4种梯度量化控水处理水平,返青至成熟期间对6个试验品种进行长时期控水处理,实际土壤含水量计算表明,4种设计水平形成了一定的水分梯度并达到了极显著差异；梯度量化控水处理对参试品种的产量和产量结构及其水分利用效率等性状产生了极显著影响。不同梯度量化水平上不同性状之间、品种与性状之间具有复杂的相关关系,品种之间的产量耐旱性差异也

【作者】

：

康海岐莫新春张鸿罗大刚康家荣陆贤军任光俊

【机构】

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四川省农业科学院作物研究所,四川成都,610066 云南丽江师范学院,云南丽江,674100

【出处】

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中国作物学会2015年学术年会

【发表日期】

：

2015年6期

【关键词】

：

水稻生物节水耐旱性评价梯度量化控水水分利用效率

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梯度量化控水条件下的水稻产量耐旱性评价

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