Effects of pretreatments of some growth regulators on the stomata movements of barley seedlings grown under saline (NaCl) conditions

K. Çavuşoglu, S. Kiliç and K. Kabar
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K. Çavuşoglu: Faculty of Arts and Science, Süleyman Demirel University, Isparta, Turkey
S. Kiliç: Faculty of Arts and Science, Süleyman Demirel University, Isparta, Turkey
K. Kabar: Faculty of Arts and Science, Süleyman Demirel University, Isparta, Turkey

Plant, Soil and Environment, 2007, vol. 53, issue 12, 524-528

Abstract: In this work, the effects of double, triple and quadruple combinations of gibberellic acid, kinetin, 24-epibrassinolide and polyamines (cadaverine, putrescine, spermidine, spermine) on the stomata movements in the leaves of barley seedlings grown under saline conditions were studied. In the control seedlings, the stomata number, stomata index and stomata length increased in the upper surfaces of leaves in comparison with their lower surfaces. In addition, the epidermis cell number in the leaves of control plants were fewer in the upper surface than that in the lower surface, but the stomata were statistically in the equal width in both surfaces. As for the applyings, they generally decreased stomata number, stomata index, stomata length and epidermis cell number, while they increased the stomata width in the upper and especially in the lower surface according to the control. The growth regulators used may have served to adaptation of barley seedlings to saline conditions by causing a decrease in most of the mentioned parameters.

Keywords: barley; plant growth regulators; salt stress; stomata movements (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:53:y:2007:i:12:id:2193-pse

DOI: 10.17221/2193-PSE

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