A total of8inbred lines of welsh onion which greet genetic diversity was usedselectively as parents to make complete diallel crossing in order to study F_1hybrids,backcrossing generations and parental materials. Quantitative analysis of6main characters ofwelsh onion was studied.
The results indicated that most of the heterosis of free amino acid content, solubleprotein and Ethereal oil content were negative. Soluble solid content and soluble sugarcontent showed positive heterosis generally. While dry we...