摘要
以掖单４号玉米幼苗为材料，用０．５Ｍｐａ的ＰＥＧ—６００进行人工模拟水分胁迫，同时叶面喷施１ｍＭ亚精胺（ｓｐｄ），研究了在水分胁迫条件下亚精胺对玉米幼苗中保护酶系、光合强度以及气孔阻力的影响。结果表明，亚精胺处理大大提高玉米幼苗中ＳＯＤ、ＰＯＤ的活性以及光合强度，适当减小气孔阻力，故亚精胺可以提高玉米幼苗的抗旱性。
with the maize seedlings of Yiedan 4 as tested material,the offect of spermidine on the protective enzyme system,photosynthetic intensity and stomatal resistance under the condition of water stress was studied by conducting water stress of artificial modeling using polyethylene giycoi(PEG-6000)and spraying spermidine simultaneously. The results showed that the treatment with spermidine promoted the activities greatly of SOD、POD and photosynthetic intensity but reduced the stomatal resistance to some extent in maize seedlings.It was indicated that spermidine could promote the drought resistance of maize seedlings.
出处
《河北农业大学学报》
CAS
CSCD
北大核心
1996年第3期60-63,共4页
Journal of Hebei Agricultural University
基金
国家"八五"重点科技攻关课题
关键词
水分胁迫
玉米
光合强度
气阻阻力
亚精胺
water strress
maize
SOD
POD
photosynthertic intensity
stomatal resistace
