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Photosynthetic pigments and soluble sugars content. Chlorophyll a (Chl a) (A), chlorophyll b (Chl b) (B), carotenoid (Car) (C), glucose (D), fructose (E) and sucrose (F) concentrations of drought-sensitive and drought-tolerant seed sources under watered (white bars) and drought stressed (black bars) treatments. The letters above the bars marks the significant difference among the drought-stressed seed sources following the test of Duncan with n = 5. Scale bars are mean +SE.
