CAO Yu-fen,LIU Feng-zhi,WANG Kun,MA Zhi-yong,GONG Xin,LIU Li-jun
TN919.81 TE642
Six description standards were simply introduced and main morphological and agricultural descriptors were summarized. Their frameworks, evaluation of biologic and non-biologic stress, and coding methods were analyzed. Some strongpoints can be used for the standardization of the pear germplasm resources characterization in China.