Fig. 4From: Genome-wide expression profiling of leaves and roots of watermelon in response to low nitrogenFigures related with maximum photosynthetic efficiency (Fv/Fm) of leaves of watermelon seedlings grown under hydroponic conditions at 0.2Â mMÂ N (a), 4.5Â mMÂ N (b), and 9Â mMÂ N (c). Pictures were taken at day 14 after N treatmentBack to article page