We genotyped some main Chinese sweet cherry cultivars for the first time using the alleles specific PCR, and two new S genotype (S1S6, S4S9) were found, which made the listing of S-allele assignment more completed.

• 对57个国内外的甜樱桃品种进行了自交不亲和(SI)基因型的鉴定，首次鉴定了我国主栽的一些甜樱桃品种的S基因型，并发现了两个新的S基因型S1S6、S4S9，将自交不亲和的组群扩展到21个。