The experiment was conducted in Shandong academy of agricultural science, using 38 cultivars collected by breeding office of vegetable graduate school of SAAS. We classified these welsh-onions and conducted analysis on main quantitative characters of these cultivars. The study establishes the theoretic foundation for the class and the breed of the welsh-onion. Results indicated:
1.The study observed and stated 11characters on 23 straight welsh-onion cultivars coming from different areas. The wels...