IMPACT OF WATER STRESS ON THE GROWTH AND DEVELOPMENT OF PHASEOLUS VULGARIS L.: COMPARATIVE STUDIES AND PERSPECTIVES
DOI:
https://doi.org/10.1199/gr27hh60Keywords:
drought, Phaseolus vulgaris L, physiological studies, morphological studiesAbstract
FAO places Phaseolus vulgaris L. as the most important legume worldwide. Scarcity of water has a significant negative effect on the growth, development and hence crop production of Phaseolus vulgaris L. To assess the drought tolerance of Phaseolus vulgaris L., comparative morphological and physiological studies were carried out by subjecting three variants (two landraces with different geographical origin and one with increased drought resistance) to 8 and 12 days of water stress. The results revealed that the response to water lack is dependent on the intensity of the stimulus, the type of variant analyzed. Rezumat FAO plasează specia Phaseolus vulgaris L. pe primul loc, ca fiind cea mai importantă leguminoasă la nivel mondial. Lipsa apei are un efect negativ semnificativ asupra creșterii, dezvoltării și implicit a producției agricole, în cazul speciei Phaseolus vulgaris L. Pentru testarea toleranței la secetă a speciei Phaseolus vulgaris L. au fost efectuate studii comparative la nivel morfologic și, fiziologic, prin expunerea a trei variante (2 populații locale cu origini geografice diferite și o varintă cu rezistență mărită la secetă), la 8 și 12 zile de stres hidric. Rezultatele au arătat că, răspunsul față de lipsa apei este dependent de intensitatea stimulului, de tipul variantei analizate.References
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