This study indicated that it is difficult to completely eliminate Lxx from all seedcanes by hot water treatment,though the titer of pathogens was decreased in all seedlings during early growing stage.

• 本研究指出,虽然种茎热水处理能减少生长早期再生苗体内宿根矮化病菌含量但难以实现所有种茎完全脱菌,在进行脱菌效果评价时,要对生长中后期的再生苗进行检验;