Preliminary Identification of GAs-deficient Short Male Catkin Mutant and Expression Analysis of CmGID1 in Castanea mollissima Antioxidation and Antimicrobial Activities of Extracts Parts of Chestnut Catkins AFLP Ana lysis on the Short Ca tkinsMuta tion of Chestnut AFLP Ana lysis on the Short Ca tkinsMuta tion of Chestnut Studies on the Ultrastructure of Abnormal Cell Death During Mutant ShortCatkin Development in Chestnut Studies on the Ultrastructure of Abnormal Cell Death During Mutant ShortCatkin Development in Chestnut Plant-Caused Pollution and Its Influence on Human in Urban Area Correlations of the Nut and Catkin Quantity Properties of Corylus heterophylla×C.avellana A New Variety of Chinese Chestnut ‘Duanhuayunfeng’ Cloning and Expression Analysis of CmAPs in Mutant Short Catkin of Castanea mollissima A New Variety of Chinese Chestnut ‘Heishanzhai 7’ Chilling and Heat Requirements of Main Cultivars of Ping‘ou Hybrid Hazelnuts (Corylus heterophylla×Corylus avellana)