Changes induced by low oxygen concentration in photosynthetic and respiratory CO2 exchange in phosphate-deficient bean leaves

被引：7

作者：

Maleszewski, S ^{[1
]}

Ciereszko, I ^{[1
]}

Skowronska, A ^{[1
]}

Mieczejko, E ^{[1
]}

Kozlowska-Szerenos, B ^{[1
]}

机构：

[1] Univ Bialystok, Inst Biol, PL-15950 Bialystok, Poland

来源：

BIOLOGIA PLANTARUM | 2004年 / 48卷 / 03期

关键词：

mannose; net photosynthetic rate; Phaseolus vulgaris; photorespiration rate;

D O I：

10.1023/B:BIOP.0000041093.46102.0d

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Effect of phosphorus deficiency on photosynthetic and respiratory CO2 exchanges were analysed in primary leaves of 2-week-old bean ( Phaseolus vulgaris L. cv. Golden Saxa) plants under non-photorespiratory (2% O-2) and photorespiratory (21 % O-2) conditions. Low P decreased maximum net photosynthetic rate (P-Nmax) and increased the time necessary to reach it. In the leaves of P-deficient plants the relative decrease of P-Nmax at 2 % O-2 was larger than at 21 % O-2. The results suggested the influence of photorespiration in the cellular turnover of phosphates.

引用

页码：401 / 405

页数：5

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