为了鉴定和筛选最近培育成功的蓖麻优良品种，我们按照杂交蓖麻区域试验的标准要求，采取三次重复，随即排列的方法，进行了品种比较试验，通过试验表明淄蓖麻7号、5号和6号产量分别达到330.13kg/667㎡、320.10kg/667㎡和305.24kg/667㎡，分别比对照淄蓖麻2号增产59.43%、54.59%和47.41%，各品种生育期适中，综合性状优良，适宜我国蓖麻产区引种推广。

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.