Response of French bean cultivars to water deficits: Changes in endogonous hormones, proline and chlorophyll
1998
Upreti, K.K. | Murti, G.S.R. | Bhatt, R.M. (Indian Inst. of Horticultural Research, Hessaraghatta (India))
Effects of water stress at different stages of plant growth on leaf relative water content (RWC), osmotic potential (psi os) and changes in contents of chlorophyll, abscisic acid (ABA), zeatin riboside (t-ZR), ethylene and proline in six cultivars of French bean (Phaseolus vulgaris) were studied. Under water stress, psi os and RWC were highest in cv. Contender and lowest in cvs. IIHR-909 and Sel-2. The increase in contents of ABA and proline was marked in cv. Contender followed by cv. UPF-626. Decrease in t-ZR and chlorophyll contents was prominent in cv. IIHR-909. Ethylene production surged in all the cultivars under 4- and 8-d stress and declined under 12-d stress.
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