摘要
以青花7号为试验材料,采用沙培法,初步探究了施氮量对花生幼苗根系生理特性的影响。对根系保护酶活性、MDA含量和根系活力进行测定。结果表明:随着生育期的推进,花生根系中超氧化物岐化酶(SOD)活性、过氧化物酶(POD)活性、过氧化氢酶(CAT)活性、丙二醛(MDA)含量和根系活力呈增加趋势。同一次取样中,3种保护酶活性和根系活力随着施氮量的增加而增加,而MDA含量呈下降趋势。
With Qinghua No.7 as tested material, sand on root physiological characteristics of peanut at culture was used to explore effects of nitrogen rates its seedling stage. The following indexes, namely protective enzyme activities, MDA content and root vigor, were measured. The results showed： with the advancement of growth period, SOD activity, POD activity, CAT activity, MDA content and root vigor increased as the nitrogen rates increased; at the same sampling, both the 3 protective enzyme activities and root vigor increased as the nitrogen rates increased, while the MDA content showed opposite trend.
出处
《商洛学院学报》
2015年第6期63-66,共4页
Journal of Shangluo University
基金
商洛学院科研基金项目(15SKY009)
关键词
花生
施氮量
根系
peanut
nitrogen rates
root
