EFFECT OF SALT STRESS ON PHOTOSYNTHETIC CHARACTERS OF SEEDLINGS OF PUCCINELLIA TENUIFLORA

Abstract

Abstract: Effects of mixed salt stress on photosynthetic characters is different to short term (6d) and long term (45d) salinity in Puccinelliatenuiflora seedlings. Photosynthetic rate is not inhibited under short term salt stress less than 1.0% mixed salt until relative high salinities are attained, and may be stimulated at lower salinities. The decline in stomatal conductance with increase in salinity was accompanied by a nearly propertional decrease in the photosynthetic rate, the internal CO₂ concentration increases over the entire salinity range, even though st

Key words: Seedlings of Puccinelia tenuiflora, Photosynthetic rate, Salt stress, Stomatal conductance, Internal CO₂ concentration

Sun Guo-rong, Yan Xiu-feng. EFFECT OF SALT STRESS ON PHOTOSYNTHETIC CHARACTERS OF SEEDLINGS OF PUCCINELLIA TENUIFLORA[J]. Bulletin of Botanical Research, 1996, 16(3): 346-350.

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EFFECT OF SALT STRESS ON PHOTOSYNTHETIC CHARACTERS OF SEEDLINGS OF PUCCINELLIA TENUIFLORA

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