Abstract:

In order to appraise and select new varieties of castor, we follow the region test standards in castor hybrids, The test region be repeated three times and arranged random, The experimental results showed that the yields of Zibo-castor №7,and №5, and №6 reached 330.13kg/667㎡,320.10kg/667㎡,305.24kg/667㎡ respectively, That production were increased 59.43%, 54.59% ,47.41% respectively compared with the Zibo-castor №2. The growth period is favourable and comprehensive properties is good of all varieties,It is suitable to be recommend and spread for castor-oil-producing areas in China.