镉胁迫对小麦种子萌发特性的影响
Shaanxi Journal of Agricultural Sciences（2019）
Abstract
以商麦1619和兰黑粒种子为供试材料,水培条件下测定不同浓度镉(Cd)对小麦发芽势、发芽率、胚芽鞘长、芽长、茎叶干重和根干重的影响.结果 表明:①Cd胁迫下2个品种小麦胚芽鞘和芽长随Cd浓度增大呈先增后减;②茎叶干重随Cd浓度增大而减小;③根干重、发芽势和发芽率变化趋势因品种而异.低浓度Cd可促进小麦种子萌发,高浓度Cd表现出抑制效应.
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