Abstract:

The yielding ability and stability is an important indicator that will to decide a new varieties of castor is good or not. The parameter was obtained that can decide the yielding ability and stability of new varieties by the statistical analysis of the test results on five locations during the same year. The yielding ability and stability of the species in the test have been analyzed according the parameter. The results showed that Zibo castor No.7 and Zibo castor No.5 were provided with the excellent yields and stability, and there is a wide range of adaptability. Zibo castor No.6 also has Higher yields and stability, If planted in appropriate areas and to take reasonable measures it can also get high and stable yields.