Membrane and ion transport properties in cereals under acidic and alkaline stress 1. effects of ph on potassium uptake and growth of rice oryza sativa cultivar dungham shali and wheat triticum aestivum cultivar gk szeged

Zsoldos, F.; Erdei, L.

Physiologia Plantarum 53(4): 468-470

1981


ISSN/ISBN: 0031-9317
DOI: 10.1111/j.1399-3054.1981.tb02732.x
Accession: 005874945

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Abstract
The effects of pH on the growth and the K+(86Rb) uptake and K+ content of excised rice (O. sativa L. cv. Dunghan Shali) and wheat (T. aestivum L. cv. GK Szeged) roots were investigated. Rice roots responded to H+ stress with an increased K+(86Rb) influx and a decreased K+ content, suggesting an increased exchange between the cytoplasmic K+ pool and the external medium. Under the same experimental conditions wheat did not show any anomalous K+(86Rb) influx. Growth of both rice and wheat was relatively insensitive to pH between 4 to 10.

Membrane and ion transport properties in cereals under acidic and alkaline stress 1. effects of ph on potassium uptake and growth of rice oryza sativa cultivar dungham shali and wheat triticum aestivum cultivar gk szeged