【摘要】 美丽针葵耐寒试验研究结果表明 :未经低温锻炼的叶片相对电导率在冷冻处理 4～ 6h时急剧增加 ,而经低温锻炼的叶片相对电导率急剧增加时间为 8～ 12h之间 ;在冷冻处理情况下 ,经低温锻炼的美丽针葵叶片丙二醛含量明显低于未经低温锻炼植株 ,而低温保护性物质脯氨酸的含量明显高于未经低温锻炼的叶片 ,显示经低温锻炼的美丽针葵抗寒能力明显好于未经低温锻炼的植株更多还原

【Abstract】 The study results indicate that the relative conductivities of leaves without low temperature hardening increase sharply after 4～6 hours of freezing treatment,whereas the relative conductivities of leaves with low temperature hardening increase sharply after 8～12 hours,this paper shows that the cold endurance of Phoenix loureirii with low temperature hardening is evidently better than that of plant without low temperature hardening.更多还原