Abstract:To evaluate genotypic variability in carbon isotope discrimination or CID and water use efficiency or WUE, recombinant inbred lines (RILs) population of sunflower (Helianthus annuus L.) was used. Seventy eight sunflower RILs were grown in greenhouse and 100 sunflower RILs were grown under field condition, and measured some morphological and physiological traits including leaf area at flowering (LA f ), net CO 2 assimilation rate (A) and transpiration per day at flowering (E f ). WUE, called "potential" WUE (WU… Show more
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