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Studies on Stomatal Movement in Dolichus biflorus Linn. (Fabaceae)

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Studies on Stomatal Movement in Dolichus biflorus Linn. (Fabaceae)

Dr.G.Meerabai | B.Koteswari

Dr.G.Meerabai | B.Koteswari "Studies on Stomatal Movement in Dolichus biflorus Linn. (Fabaceae)" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-6 , October 2017, URL: http://www.ijtsrd.com/papers/ijtsrd2528.pdf

Usually relative turgor changes which maintain osmotic gradients in the guard cells cause stomatal movements. In many species the dominant participation of K+ in stomatal movements was well established. Organic acids such as malate, citrate, glutamate and aspertate were reported to serve as counter ions of K+ in many species. Both oxidative phosphorylation and photo phosphorylation are potential energy sources. In earlier studies, the functional role of PS II were not clearly understood. Hence the present study is aimed to understand the role of PS II in guard cells of Dolicus biflorus Linn. a Fabaceae member. Influence of PS II electron acceptors and donors such as potassium ferricyanide, hydroxylamine hydrochloride, MnCl2, Sodium ascorbate, diphenyl carbazide, ATP, ADP, ATP + MnCl2 and ADP + MnCl2, MnCl2 + NADP and Hydroxylamine hydrochloride + NADP is studied to understand the role of photo system II on stomatal movements.

Turgor changes, guard cells, stomata movements, organic acids, K+ ions, PS II, ATP, MnCl2

Volume-1 | Issue-6 , October 2017