1Cloning of SorMT2a and SorMT2c from Solanum nigrum and Study on Their Transformation to Nicotiana tobacumFAN Zhong-xue, CAI Li-juan, DU Rui-xue, QUAN Xian-qing1-52Prediction of Secondary Structure and B cell Epitopes of TGEV Spike ProteinGAO Chuan-qing, WANG Ke, HUANG Qing-hua, HAN Hong6-103Activity Variation of Extracellular Enzymes in Lentinus edodes and Their Correlation with Agronony CharactersREN Peng-fei, REN Hai-xia, QU Ling, YAO Qiang, LI Jin, GONG Zhi-yuan11-144Study on Polyploid Induction of Welsh Onion Callus by ColchicinesGAO Li-min, ZONG Hong, CHEN Yun-qi, GAO Xiu-yun, DONG Fei15-175Optimal Plant Density of Spring Cotton under Monoculture in Shandong Ecological ConditionsZHAO Hong-liang, YU Qian-lin, LU He-quan, DONG He-zhong18-216Effect of Irradiation on Selenium Preservation in Selenium-enriched Welsh Onion from ZhangqiuCHENG An-wei, HU Li-na, XU Tong-cheng, WANG Wen-liang, DU Fang-ling22-257Activity variation of enzymes correlated with pericarp development of bagged apple25-278Effect of Bagging with Different Types of Bags on Fruit Quality of Red Fuji AppleXUE Xiao-min, WANG Jin-zheng, LU Chao28-309Effects of Different Seed Beds on Seed Germination of PitayaLIU Hai-gang, DUAN Yue-tang, SHA Yu-cang, CHEN Yi-qi, YANG Zi-xiang31-3310Effects of Different Rootstocks on Growth of Grafted CucumberWANG Quan-zhi, YAN Zhi-ming, BI Bai-lei34-3611Effect of Equisetum arvense extract on plant growth and development36-3812Preliminary study on suitable harvest time for maize variety Denghaichaoshi 1 in middle regions of Shandong Province39-4013Study on suitable plant density of cotton variety SCRC 2140-4214Spatial Distribution Pattern and Theoretical Sampling Number of Bradybaena ravida in Clover FiledZHOU Hong-xu43-4615Study on spatial distribution pattern and sampling technique of Laodelphax striatellus47-49,5216Comparison of Artificial Rearing Methods for Plutella xylostella L.DONG Shi-feng, NIU Zhu-feng, XIAO Peng, LIU Wei-hua, CAO Chang-dai50-5217Efficacy of 150g/L mesotrione SC against weeds in summer maize field53-5418Control effect of Geotrichum candidum and Bacillus amyloliquefaciens on cucumber fusarium wilt55-5719Research status of peach fruit borer58-6320Evaluation of Heavy Metal Pollution in Soil and Vegetables around Jinzhou Ferroalloy FactoryXIAO Zhen-lin, QU Jiao, CONG Qiao64-66 