The Characteristic of Photosynthesis and the Growth of Fruit of Zizyphus jujuba Mill cv.lingwuchangzao(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年19期

Page:

1-4

Research Field:

Publishing date:

Info

Title:

The Characteristic of Photosynthesis and the Growth of Fruit of Zizyphus jujuba Mill cv.lingwuchangzao

Author(s):

CHEN Ya-ping¹; ZHANG Ying-cai¹; JING Hong-xia¹; SU Wei-dong²

1.School of Life Science，Ningxia University，Yinchuan，Ningxia 750021；

2.Ningxia Jujube Engineering Technology Research Center，Lingwu，Ningxia 750400

Keywords:

Zizyphus jujuba Mill cv.lingwuchangzao; photosynthesis characteristic; fruit; growth curve

PACS:

Q 945；S 665.1

DOI:

-

Abstract:

Selected six-year-old Zizyphus jujuba Mill cv.lingwuchangzao as material，the characteristic of photosynthesis and the growth index of fruit were determined by photosynthesis test instrument CIRAS-1 and other methods，the characteristic of photosynthesis and the growth of fruit were studied.The results showed that the photosynthesis in lingwuchangzao showed obvious variation law，the variation trend of Pn in leaf was a bimodal curve，but the Pn in fruit was general lower，the Gs and Tr showed irregular and alternate ups and downs variation characteristics，the changed laws of Ci in leaf and fruit were characteristic respectively.The content of chlorophyll in leaf increased gradually and then decreased，the peaks of chlorophyll content occurred at 90 days after blossom，but the content of carotenoid in leaf was at the lower level during the whole process of plant growth and development.The content peak of chlorophyll and carotenoid in fruit occurred at the early development，and then the content decreased gradually，the content of carotenoid in fruit was much less than chlorophyll.The fruit growth was formal“double S”curve.Longitudinal diameter growth was faster than transverse diameter，the growth rate of fresh weight was basically the same as volume.

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