摘要
以周麦18为材料,研究了不同浓度的Fe3+、Zn2+及其混合液对小麦发芽率、α-淀粉酶活力和过氧化氢酶活力的影响。结果表明,低浓度Fe3+和Zn2+可促进小麦种子的萌发,高浓度Fe3+和Zn2+则抑制种子萌发;α-淀粉酶的活性随着Fe3+和Zn2+浓度的升高显著降低;过氧化氢酶活性随着Fe3+浓度的升高而降低,并随着Zn2+和混合液浓度的升高表现出先升高后降低的趋势。
The influences of Fe, Zn or intermixture treatments with different concentration on seed germination, and the activity of or-amylase and CAT in wheat were studied with the materials of Zhou Wheat 18. The results showed that Fe^3＋ or Zn^2＋ with low concentration could promote seed germination, the high concentration can produce. And the activities of or-amylase show significantly downward trend with the increasing of heavy metal concentration, The catalase enzyme show downard trend with the increasing of Fe^3＋ concentration, the activities of CAT increase at first, and then decrease with the incresing of Zn^2＋ or intermixture.
出处
《广东农业科学》
CAS
CSCD
北大核心
2010年第2期7-8,18,共3页
Guangdong Agricultural Sciences
基金
河南省自然科学基金项目(0511032800)
关键词
小麦
重金属
毒害作用
wheat
heavy metal
toxic action
