Fig. 2From: Coping with drought: stress and adaptive mechanisms, and management through cultural and molecular alternatives in cotton as vital constituents for plant stress resilience and fitnessProline concentration (μmol g−1 DM) in the leaves and ovaries of two cotton cultivars. The water treatments were water stress (black bars) and well–watered (gray bars). Different letters indicate significant differences (P ≤ 0.05) [84]Back to article page