|Table of Contents|

Study on Structure and Physiological Basis of Leaf Colouring in Lagerstroemia indica L.‘Jinwei’(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年04期
Page:
68-72
Research Field:
Publishing date:

Info

Title:
Study on Structure and Physiological Basis of Leaf Colouring in Lagerstroemia indica L.‘Jinwei’
Author(s):
ZHANG Zhen-yuWANG PengWANG Shu-anLI Lin-fangMA Yu-zhuLI Ya
Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Nanjing,Jiangsu 210014
Keywords:
Lagerstroemia indica L.‘Jinwei’chlorophyllcarotenoidschloroplastmitochondria
PACS:
S 68
DOI:
-
Abstract:
Taking the Lagerstroemia indicaL.‘Jinwei’ and its wild-type (CK) as materials,the leaf ultrastructure of chloroplasts and mitochondria were investigated by transmission electron microscopy,and the content of chlorophyll,carotenoids and anthocyanin were measured at different time.The results showed that the ultra structure of chloroplasts and mitochondria were abnormal in ‘Jinwei’ mesophyll cells.There was fewer stroma lamella and grana lamella in chloroplast.There was cavity and a small amount of crest in mitochondria.The content of chl a,chl b,carotenoids and anthocyanin in ‘Jinwei’ were significantly lower than those in CK.Reduction of the total chlorophyll content was greater than carotenoids,and the ratio of the total chlorophyll and carotenoid were significantly reduced to about 2.0,which was the immediate reason for the appearance of golden leaves in ‘Jinwei’.

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Last Update: 2014-08-07