|Table of Contents|

Study on Photosynthetic Physiological and Ecological Characteristics of Different Geographical Provenances of Introduced Prunus armeniaca(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年17期
Page:
24-29
Research Field:
Publishing date:

Info

Title:
Study on Photosynthetic Physiological and Ecological Characteristics of Different Geographical Provenances of Introduced Prunus armeniaca
Author(s):
YUQing-fu1; DONGSheng-jun2; YUHai-bin2; ZHANGYun-cheng1; LIUMing-guo2; WUYue-liang2
1.Forestry Seed Management Station,Kazuo,Liaoning 122300;
2.Shenyang Agricultural University,Shenyang,Liaoning 110866
Keywords:
introduced; Prunus armeniaca; photosynthetic characteristics
PACS:
S662.2
DOI:
-
Abstract:
With 11 introduced 2-year old Prunus armeniaca clones from different geographical as meterials,by using Li-6400 portable photosynthesis system to measure the photosynthesis parameters of Prunus armeniaca in different season.The results showed that the photosynthetic and transpiration type of different geographical provenances of introduced Prunus armeniaca change with the seasons present the single or double peak change types in Liaoning western region,there had ‘midday photosynthesis depression’ phenomenon in different seasons.Different sources Prunus armeniaca could adjust the photosynthetic activity effectively through the leaf stomata in different growing seasons,the water use efficiency was higher in spring and autumn than summer,so the water retention capacity of introduced Prunus armeniaca were higher in spring and autumn,the high temperature,drought climate in summer was not benefit the growth of introduced Prunus armeniaca. The Armeniaca sibirica in Russia region had shorten growth period,the photosynthesis,transpiration was higher in spring than that in summer and autumn,through introduction and domestication,there had a stronger adaptive capacity to the Liaoning western riogion habitat.The Armeniaca vulgaris in loess hilly gully region of northwestern China had rich genetic variation and wide ecological breadth,there was a big difference of the photosynthetic physiological activity in different seasons,the variety breeding potential was very large.The Armeniaca sibirica in Inner Mongolia region had similiar photosynthetic activity types with the Prunus armeniaca in introduction area,there had a strong ability to adapt to the environment of the introduction area.

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Last Update: 2014-09-25