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EFFECTS OF POTASSIUM DEFICIENCYON PHOTOSYNTHETIC FUNCTIONOF DIFFERENTSOYBEAN GENOTYPES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2006年02期
Page:
133-136
Research Field:
Publishing date:

Info

Title:
EFFECTS OF POTASSIUM DEFICIENCYON PHOTOSYNTHETIC FUNCTIONOF DIFFERENTSOYBEAN GENOTYPES
Author(s):
Wang Xiaoguang 　Cao Minjian 　Wang Wei 　 Li Zhi 　 Yu Haiqiu
(Shenyang Agricultural University , Shenyang 110161)
Keywords:
Soybean ; Potassium deficiency ; Photosynthetic function
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2006.02.0133
Abstract:
　 Different genotypes soybean were potted up to study the effects of potassium nutrition on thephotosynthetic function of leaves. The results showed that the leaf area , chlorophyll contents, stomatalconductance , transpiration rate and photosynthetic rate were all decreased as potassium deficiency , whilethe intercellular CO 2 concentration under potassium deficiency were higher than that in normal condition.With the decreasing of potassium concentration, all the tested physiological parameters of the lines sensi-tive to potassium deficiency such as Tie95068 - 5 and Tie95079 - 2 were changed significantly , while therewere not obuious changes to the cultivars (lines) insensitive to potassium deficiency such as Shennong 6and GD- 1617, demonstreting difference in genotyoes.

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Last Update: 2016-12-12