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不同浓度铝胁迫对芦笋种子萌发的影响

Acta Agriculturae Jiangxi(2022)

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Abstract
通过室内培养皿试验,探究了7个不同浓度铝离子胁迫对3个芦笋品种种子萌发的影响.结果表明:铝离子浓度对3个芦笋品种种子的相对活力指数、胚根长、胚芽长、鲜重影响显著,表现为极显著的负相关关系,而对胚根毒害指数和胚芽毒害指数表现为极显著的正相关关系.通过建立回归方程,以胚根毒害指数下降到50%时的铝离子浓度为种子耐铝的临界浓度,求得井冈红、井冈111和京绿芦1号的耐铝临界浓度分别为512.70、604.07、507.55 mg/L.
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