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作 者 ：魏安智  杨途熙  张睿  杨恒  杨向娜  郑元

期 刊 ：西北植物学报 2008年 3期

关键词：仁用杏；抗寒剂；抗寒力；

Keywords:kernel apricot, cold-resistant agent, cold-resistant ability,

摘 要 ：在仁用杏花芽膨大期分别喷施ABA、‘杏花防冻剂’、‘冻害必施’和‘天达-2116’等4种抗寒剂,测定花蕾、花朵和幼果中电解质渗出率、SOD和POD活性以及可溶性糖、可溶性蛋白质和MDA含量,研究4种抗寒剂诱导仁用杏花期抗寒力的差异。结果表明,(1)4种抗寒剂均能不同程度地降低仁用杏半致死温度,诱导抗寒力提高,其中,‘杏花防冻剂’对仁用杏抗寒力的诱导效果最好,ABA次之;(2)‘杏花防冻剂’和ABA均能提高仁用杏花期的可溶性糖和可溶性蛋白质含量,增强SOD和POD活性,降低MDA含量,进一步证明抗寒剂可提高仁用杏花期的抗寒能力。

Abstract:4 kinds of cold-resistant agent including ‘Xinghuafangdongji‘,ABA,‘Donghaibishi‘ and ‘Tianda-2116‘ were spurted to kernel apricot during the expanding-time.The electrolyte leakage,SOD and POD activities,and content of soluble sugar and protein and MDA,in

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