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5. 铬胁迫对番茄种子萌发的影晌

铬胁迫对番茄种子萌发的影晌

来源 :重庆文理学院学报（自然科学版） | 被引量 : 0次 | 上传用户：asd010asd

【摘 要】

：

研究不同浓度的Cr6+溶液胁迫对番茄种子发芽及幼根生长的影响,以"903号"番茄种子为试材,采用0.01、0.05、0.1、0.5 mmol/L Cr6+溶液处理进行种子的发芽试验,研究种子萌发和生

【作 者】

：

陈德碧 

【机 构】

：

重庆文理学院

【出 处】

：

重庆文理学院学报（自然科学版）

【发表日期】

：

2004年期

【关键词】

：

番茄种子 铬 萌发 

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论文部分内容阅读

研究不同浓度的Cr6+溶液胁迫对番茄种子发芽及幼根生长的影响,以"903号"番茄种子为试材,采用0.01、0.05、0.1、0.5 mmol/L Cr6+溶液处理进行种子的发芽试验,研究种子萌发和生长的影响.试验结果表明:0.01、0.05、0.1、0.5 mmol/L Cr6+溶液处理的番茄种子的发芽率、发芽势、发芽指数、活力指数、幼根长和芽长均低于CK,且随Cr6+溶液浓度的升高而呈下降趋势.Cr6+对番茄种子萌发及幼苗生长有抑制作用.

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