Peristome Morphology Characteristics of 16 Species of Family Pottiaceae and their Systematic Significance A STUDY ON SELECTION OF GEOGRAPHICAL PROVENANCE OF PINUS TABULAEFORMIS RESISTING MATSUCOCCUS MATSUSCOCCUS MATSUMURAE KUWANA A SERIES OlF STUDIES ON ALEURITES FORDII BREEDING PROGRAMME THE HEREDITARY TENDENCY OF CHARACTERS IN F GENERATION OF WHEAT CROSSES WITH MUTANTS A study on the genetic law of seed coat characters in hull-less Cucurbita pepo Diversity of Leaf Variegation in Chinese Begonias THE HEREDITARY VARIATION AND SELECTION ON SUGAR BEET CHARACTERS Genetic Effect Analysis in Wheat Anter Culture of Different Generations Investigation on Quality Difference between Cordyceps of Sichuan and Those of Xizang Evaluation and analysis of resistance to cucumber downy mildew under low light stress Hereditary stability among species of Dendrobium huoshanense by RAPD Genetic analysis of Zn-efficient nutrition characteristic of rice at different Zn2+ activities A STUDY ON SYNTHETIC SELECTION FOR MULTI-SHAPE AND PROPERTIES OF PHYLLOSTACHYS HETEROCYCLA CV. PUBESCENS