水杨酸浸种对紫羊茅抗冷性的影响

中国农学通报 ›› 2009, Vol. 25 ›› Issue (14): 186-189.

水杨酸浸种对紫羊茅抗冷性的影响

丁国华,池春玉,赵岩,李静怡,连永权

收稿日期:2009-03-03 修回日期:2009-04-29 出版日期:2009-07-20 发布日期:2009-07-20

Effect on the cold resistance in Red fescue( Featua fubra L. ) soaking the seeds with salicylic acid

Chi Chunyu, Lian Yongquan, Zhao Yan, Li Jingyi, Ding Guohua

Received:2009-03-03 Revised:2009-04-29 Online:2009-07-20 Published:2009-07-20

摘要/Abstract

摘要： 本文以0.25、0.5、1.0、2.0、4.0 mmol/L五种浓度的水杨酸（salicylic aid，SA）浸泡处理冷季型草坪草紫羊茅（Featua fubra L.）种子，测定了经过4 ℃低温胁迫48h后紫羊茅体内脯氨酸含量、丙二醛含量和电解质渗出率。结果表明，适当浓度的水杨酸能够增加紫羊茅叶片脯氨酸含量，减缓膜脂过氧化产物丙二醛的积累，降低电解质渗出率，有助于提高紫羊茅抗冷能力。

关键词: 甘蔗黑穗病菌, 甘蔗黑穗病菌, rDNA, ITS-PCR, 系统发育树

Abstract: Abstract: In this article the seeds of Red fescue (Featua fubra L.), a cold-season type turf grass, were soaked with five kinds concentration of salicylic acid (SA) as 0.25, 0.5, 1.0, 2.0, 4.0 mmol/L. Under cold stress of 4 ℃ for 48 hours, the proline content, the Malondialdehyde (MDA) content and the electrolyte leakage in the Red fescue were determined. The result showed that the suitable concentration salicylic acid could increase the proline content, decrease the content of MDA which was a product of membrane lipid peroxidation, and reduce the electrolyte leakage rate in the Red fescue, which could improve the cold resistance ability of the Red fescues.

丁国华,池春玉,赵岩,李静怡,连永权. 水杨酸浸种对紫羊茅抗冷性的影响[J]. 中国农学通报, 2009, 25(14): 186-189.

Chi Chunyu, Lian Yongquan, Zhao Yan, Li Jingyi, Ding Guohua. Effect on the cold resistance in Red fescue( Featua fubra L. ) soaking the seeds with salicylic acid[J]. Chinese Agricultural Science Bulletin, 2009, 25(14): 186-189.

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