So far sickle type rices are usually classified as hsien type.Our studies, however, indicatedthat most of them belong to keng type with a small part to hsien. type.

• 镰刀谷迄今多被划为釉稻，我们的初步研究表明，镰刀谷大部分属粳稻，其中也包括一部分釉稻。