تاثیر استرس خشکی و زئولیت روی مقادیر کلروفیل و کارتنوئید عدس

The objective of this study was to determine the effect of different rates of zeolites and drought stress on some Morpho-Physiological traits in Lens culinaris. Factors were considered as two levels of irrigation (irrigation at field capacity (FC) and 50 % FC) was applied in two-leaf stage and four levels of zeolites (0, 10, 20, 30 ton/ha). Before planting, zeolite was added to the soil in deepness of root development. Results of ANOVA showed the significant effect of zeolite on the chlorophyll b, total chlorophyll, chlorophyll index (SPAD) and carotenoid and the significant effect of irrigation on chlorophyll b, total chlorophyll and carotenoid. The results indicated that water deficit stress significantly decreased chlorophyll b, chlorophyll index (SPAD), total chlorophyll and carotenoid, Whereas the application of zeolites compensated the negative effect of drought stress, especially in high rates of polymer application (30 ton/ha). The highest the chlorophyll b (13/53 mg/g) and carotenoid (13/79 mg/g) were obtained from application of 30 ton/ha zeolite. These findings strongly suggested that the irrigation intervals of lens could be increased by application of zeolite.