Stability analysis for traits related to water use efficiency in sunflower (Helianthus annuus L.) (original) (raw)

Journal of Oilseeds Research

Abstract

The present study was conducted to evaluate the stability of 41 genotypes with respect to variousmorphophysiological traits affecting water use efficiency in sunflower. The four water stress environments werecreated by skipping irrigation at different plant growth stages. The data were recorded for canopy temperature (°C),photosynthetic capacity, leaf area index, leaf water potential (mpa), days to 50% flowering, days to maturity, plantheight (cm), head diameter (cm), 100-seed weight (g), seed yield/plant (g) and oil content (%). The analysis ofvariance revealed that the genotypes and environment (linear) showed significant interaction for all the traits understudy which indicated that phenotypic expression of all the genotypes for these characters was influencedsignificantly by environments. The pooled deviations for all the characters were significant indicating that theperformance of genotypes varied in different environments. The phenotypic stability of genotypes was measuredby ...

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