Diversity of upland rice germplasm resources and in situ conservation in Lancang County, Yunnan Province

Upland rice resources and their diversity in variety, morphology and genetics as well as various indigenous knowledge in resources management were discovered through investigation on upland rice resources in Lancang County, Yunnan Province. The influence of the change of production system on the traditional cultivar crop\|upland rice resources was described. Proposals of the diversity of upland rice resources \%in situ \%conservation were put forward.