白肋烟TN90晾制期叶绿体色素降解动态及呼吸强度等变化规律研究
Journal of Kunming Teachers College（2004）
Abstract
TN90晾制期叶绿素(chl),叶绿素a(chla),叶绿素b(chlb),类胡萝卜素等的含量都随叶位升高而增加、随晾制进程而下降,其降幅是chla>chlchlb>类胡萝卜素,chla降幅最大的时段下、中、上各叶位分别在0～6 d,0～9 d,0～12 d,其余各类色素的降速则比较平缓;chla/chlb及chl/类胡萝卜素的比值也随晾制进程和叶位升高而下降,使更加有利于烟叶品质的形成.随着晾制过程中水分的散失,烟叶含水率逐渐下降,生命活动也随之减弱,表现在呼吸强度和比叶重也随晾制进程及叶位下降而减小.
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Key words
degradation devlepment,respiratory strength etc,tn90,air-curing
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