Changes of photosynthetic character during vernalization in broccoli

The early maturing variety of broccoli 'Qing-feng 103' was taken as the material in this experiment, in order to research the dynamic changes of photosynthetic character during the vernalization in broccoli. The result showed that the vernalization in the low temperature promoted photosynt...

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Published inZhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban Vol. 40; no. 1; pp. 83 - 86
Main Authors Cong, Chao, Liu, Sheng-Cai, Jiang, Xin-Mei, Yu, Xi-Hong, Xu, Wei
Format Journal Article
LanguageChinese
Published Zhejiang University Press 01.01.2013
Subjects
Broccoli
Carbohydrates
Conductance
Differentiation
Dynamics
Finishes
Mass ratios
Photosynthesis
光合特性
春化作用
青花菜
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ISSN1008-9497
DOI10.3785/j.issn.1008-9497.2013.01.018

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Summary:The early maturing variety of broccoli 'Qing-feng 103' was taken as the material in this experiment, in order to research the dynamic changes of photosynthetic character during the vernalization in broccoli. The result showed that the vernalization in the low temperature promoted photosynthesis in broccoli. With the process of vernalization, total chlorophyll mass ratio, the net photosynthetic rate (Pn), stomatic conductance (Gs) and intercellular CO(2) molar ratio (Ci) increased for the leaves of broccoli, explained the vernalization could accumulated more carbohydrate so as to offer more energy for the flower-bud differentiation after vernalization finish.
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ISSN:1008-9497
DOI:10.3785/j.issn.1008-9497.2013.01.018