【摘要】 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。更多还原

【Abstract】 The effects of 7 different concentrations of aluminum stress on seed germination of 3 Asparagus species were studied by petri dish experiment. The result showed that aluminum stress had significant effect on seed germination of three Asparagus species. With the increase of aluminum concentration, the relative vigor index, root length, bud length and fresh weight were all inhibited, which showed very significant negative correlation, but showed significant positive correlation between root toxicity index and bud toxicity index. Based on a regression equation, the concentration was taken as the critical value when the root toxicity index dropped to 50%. The critical values of Jingganghong, Jinggang 111 and Jinglvlu No. 1 were 512.70, 604.07and 507.55 mg/L, respectively.更多还原