%0 Journal Article
%T Theinhibitoryeffectofleadontheseedlinggrowthandtheinducedformationofoxidaseisozymesinhigherplant
%A 彭永康
%A 郭占江
%J 华北农学报
%P 48-53
%D 1993
%R 10.7668/hbnxb.1993.S2.009
%X Theinhibitoryeffectofleadontheseedgerminationandseedlinggrowthwasobvi-ouslyseeninbarley,sorghumandwheat.Theirdifferentialreactionsontheleadsolutionwerefoundundertheleadstressduringtheseedgerminationandseedlinggrowthstages.Wheatismoresensitivetoleadthantheotherthreeplants.Thiscanbeusedtoselectnewcropswhichcanresistleaddamage.Thechangesoftheperoxidaseandpolyphenoloxidaseisozymeshavebeenfoundinindividualplantswhichwasinjuredbyaleadsolutionattheseedlingandrootdevelop-mentstages.Theauthorssuggestthattheseisozymes,whichhavebeenchangedinpatternsandnumbers,maybeadaptiveisozymes.Adaptiveisozymesareproducedinplanttissuewhenplantsareinharmfulenvironmentalconditions.Thechangeinenvironmentalconditionsinfluencestheexpressionofthegenewhichencodeperoxidase,polyphenoloxidaseisozymes,andpromoteforma-tionoftheadaptiveisozymes.
%K inhibitoryeffect
%K lead
%K seedlinggrowth
%K root
%K peroxidaseisozymes
%U http://www.hbnxb.net/CN/abstract/abstract6447.shtml