Published in Scientific Papers. Series A. Agronomy, Vol. LXII, Issue 1
Written by Steliana CLAPCO, Ion GISCA, Aliona CUCEREAVII, Maria DUCA
The growth and productivity traits of twenty local sunflower hybrids have been evaluated, during two years, under Moldovan environmental conditions. It has been established that yield and yield related traits of analysed combinations depended both on the year of observation and the genotype. Environmental conditions affected especially the number of leaves, number and weight of seeds per head and 1000 seeds weight. Determination of relationships between seed yield and some morpho-physiological parameters, such as plant height, head diameter, leaf number, number and weight of total and full seeds per head and 1000 seeds showed high positive correlations between some traits. The analyses of Pearson correlation coefficients showed that the number and weight of total and full seeds per head and the weight of 1000 seeds had a high positive correlation with seed yield per surface unite. Also, a positive but low correlation with seed yield was found related the head diameter. In both years a significant positive correlation was established between plant height and number of leaves.
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