Sharifa S. Abu-Muriefah
The present study showed that water stress impaired the growth of common bean (Phaseolus vulgaris L) plants and decreased the content of nutrient elements and photosynthetic pigments as well as carbohydrate concentration in the shoots. Also water stress affect the yield and its quality represented by nutrient elements, protein and carbohydrate concentrations. Foliar-applied chitosan, in particular 200 mg/l, increased plant growth, yield and its quality as well as physiological constituents in plant shoot under stressed or non-stressed conditions as compared to chitosanuntreated plants. It is suggested that chitosan could be a promising material used to reduce the harmful effect of water stress on the growth and yield of phaseolus vulgaris plants.
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