Correlation studies and path coefficient analysis for seed yield and yield components in Ethiopian coriander accessions
2013
Kassahun, BM | Alemaw, G | Tesfaye, B
Coriander (Coriandrum sativum L.) is an annual spice herb that belongs to the family Umbelliferae. Even though Ethiopia is a centre of primary diversity for the crop, the current knowledge about its biology, variety development and agronomy is neither complete nor conclusive under Ethiopian conditions. To contribute to filling some of the existing gaps, a field experiment was conducted during the main rainy season of 2007-2008 at Wondo Genet and Kokate, southern Ethiopia. Data for 15 agronomic and quality traits were measured and statistically tested. Moreof the traits were found having high correlation coefficients at genotypic level than the phenotypic level, demonstrating intrinsic associations among the traits. Seeds plant-1 and thousand seeds weight were associatedsignificantly and positively with seed yield plant-1 at phenotypic and genotypic levels. Essential oil and fatty oil contents were negatively associated with most of the trait studied. Path analysis revealed that days to end 50% flowering, longest basal leaf length, plant height, days to 50% maturity and seeds umbellet-1 exerted positive direct effect on seed yield plant-1, indicating that selection using these traits would be effective in improving seed yield in coriander.Key Words: Coriandrum sativum, essential oil, Ethiopia, fatty oil
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