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驳枝对早花烟草成熟期间叶中叶绿素含量、硝酸还原酶和淀粉酶活性的影响

Effects of Branching-after-topping on Chlorophyll Content and Nitrate Reduc-tase and Amylase Activities of Early-flowering Tobacco Leaves during Ripening Period

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【Author】 ZHANG Jin-Lin1,CHEN Jian-Jun1,*,Lü Yong-Hua2,CHEN Yong-Ming3,DENG Shi-Yuan1 1Tobacco Laboratory,South China Agricultural University,Guangzhou 510642,China;2Guangdong Tobacco Leaf Production and Purchase-sale Corporation,Guangzhou 510610,China;3Nanxiong Institute of Science of Guangdong Tobacco Leaf Produc-tion and Purchase-sale Corporation,Nanxiong,Guangdong 512400,China

【机构】华南农业大学烟草研究室；广东省烟叶生产购销公司；广东省烟草南雄科学研究所；华南农业大学烟草研究室广州510642；广州510642；广州510610；广东南雄512400；

【摘要】对早花烟草驳枝后,其成熟期间中部和上部叶中叶绿素(Chl)含量和硝酸还原酶(NR)活性下降,下部叶则增高,成熟后期的上部叶中淀粉酶(AM)活性明显增强。经驳枝的烟草,中、上部叶烘烤后叶中淀粉、氮和烟碱含量下降,下部叶中的淀粉含量无明显变化。更多还原

【Abstract】 The early-flowering tobacco was treated with branching-after-topping.The results showed that the chlorophyll(Chl)content and nitrate reductase(NR)activity in upper and middle leaves decreased,amylase(AM)activity at later ripening period increased;NR activity in lower leaves decreased.After branching-after-topping starch,N and nicotine contents decreased in upper and middle leaves,starch content was not affected in lower leaves.更多还原

【关键词】烤烟早花；驳枝；叶绿素；硝酸还原酶；淀粉酶；
【Key words】 early-flowering tobacco； branching-after-topping； chlorophyll； nitrate reductase； amylase；

【基金】广东省烟草专卖局(公司)项目(粤烟科字200403)

【文献出处】植物生理学通讯 ,Plant Physiology Communications , 编辑部邮箱 ,2006年06期

【分类号】S572
【被引频次】14
【下载频次】277

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