There were two peach descriptors systems: one from IPRGI in 1980 and the other from China in 1990. The former had only reference cultivars without quantity grad
Using 15 indica rice varieties with different panicle weight, some ideal plant type characteristics in heavy panicle type of hybrid rice (HPT) and their relatio
A field trial was conducted to investigate the changes of endogenous hormone concentration (EHC) during formation and thickening of tuberous roots in sweet pota