1Establishment of RAPD Analysis System in ApplesZhu Jun, Zhou Aiqin, Wang Tao, Li Guangchen, Li Shaohua239-2432Studies on the Changes of Endogenous Hormones in the Differentiation Period of Flower Bud in Apple TreesCao Shangyin, Zhang Jinchang, Wei Lihua244-2483Study on the Physical Characters of the Bagging Bags for Apple Growing and Their ApplicationChen Youguang, Wang Ying, Song Jian, Tang Zhouhuai249-2544The Relation Between Male Fertility and Free Amino Acid Content of Flower Organ in PeachLuo Laishui, Huo Guanghua, Liu Yong, Xiao Dexin, Gu Qingqing255-2605Studied on the Ways for Culturing Immature Embryos of GrapevineChen Xiangbo, Cao Ziyi261-2646Trial of the New Early Season Pear VarietiesLi Xiugen, Yan Zhihong, Yang Jian, Chen Meiling, Yin Yexiong265-2687Application of Orthogonal Experiment in Tissue Culture of Longan and LitchiZheng Qifa, Hu Guibing, Chen Dacheng269-2728Effect of Tea Polyphenol on the Fruit Physiological Biochemical Changes of KiwifruitWang Shaomei, Zhao Jiangfen273-2769Studies on the Changes in Phenylalanine Ammonia Lyase(PAL) Activity in Apricot Leaves from Infected Trees by Clasterosporium carpophilum(Lew) AderhZhao Junying, Chang Yongyi, Zhu Jianlan277-28110Studies on Characteristics of Chestnut Respiration During Storage PeriodWang Yanping, Dai Guifu, Wu Jian, Li Zongwei, Qin Guangyong, Su Mingjie, Wu Guang, Hu Guo Ju282-28511Natrient Ingredients Analysis on Chinese Chestnut and Fuzzy Comprehensiue EvaluationChen Zaixin, Lei Zexiang, Liu Huining, Wu Guanggu, Wang Xiangbin286-28912Studies on Soilless Culture Techniques of Growing Strawberry in the WinterLiu Fengsheng, Pei Xiaobo, Li Shijun290-29413Study on the Kinship and Purity of Rock-melon by RAPD AnalysisYueJinhua, Shi Jiang, Zhao Huji, Zhu Xinxia295-29914The Number of Loquat Species and Translation of E.hookeriana Data into ChineseLin Shunquan, Hu Youli300-30415On the Ecological Adaptability of Sandy Pear Cultvars And Their Growing PerspectiveXu Changbao, Shen Zhijun305-30816Effects of Potassium fertilizers for Improving Quality and Production of Fruit CropsXiangan Huang, Tiancai Zhao, Qin Wang309-31317Preliminary Study on the Apomixis Activity in WalnutZhang Meiyong, Xu Ying, Ma Fengxian314-31618Study on the Physiological Differentiation and Diffectiveness of Mango by Gridle Width and Period for a Given PeriodYang Xiuwu, Wang Chunfang, Zhang Qingguo, Li Chunqin, Ma Kebin317-318 