Five wide compatibility rice varieties including Belle Patna, New bonnet, Nortai,Saturn and Vegold with low intensity of wide compatibility and special compatibility were screened from American rice varieties.

• 从美国水稻品种中筛选出Bnllepatna、Newbonnet、Nortai、Saturn和Vegold等广亲和品种，其亲和性表现为广谱低强度性和特异亲和性。