1Research Advances in Molecular Biology of GA4+7LI Jiao-jiao, YANG Wen-ge, HU Yong-hong1-42Progress on Factors Influencing Tobacco Safety and Its Key Agricultural Control TechnologyPAN Yi-hong, ZHOU Li-juan, WANG Juan, DENG Guo-bin, ZHANG Xiao-long, ZI Wen-hua, WANG Tao5-113Research Progress in Integrated Management Strategies of Tobacco Black ShankPING Wen-li, LI Xue-jun, ZHU Jing-wei, GUO Kai-jun12-164Research Progress on Canine Influenza Epidemiology and Interspecies Transmission MechanismSHI Zhi-hai, WANG Wen-jia, LI Wan-li, LIN Min, LAN Ya-li17-195Application Progress of Internet of Things Technology in China Grain Crop ProductionZANG He-cang, WANG Lai-gang, LI Guo-qiang, ZHANG Jie, CHENG Yong-zheng, ZHENG Guo-qing20-236Effects of TrxS Overexpression on Artificial Ageing Resistance of Barley SeedsDENG Li, LI Dong-bing, CAO Ling-long, XIONG Da-bin, ZHAO Nan, LI Qiao-yun, YIN Jun24-287Effect of Upper Root-zone Water Stress on Growth and Development of Maize Roots and Above-ground PartZHANG Zhi-wei, WANG Zhi-qiang, WANG Ying, LIN Tong-bao29-328Heterosis of Plant Characters for Elite Maize Hybrids and Their Correlations with Parent LinesLIANG Xiao-jie, DONG Yong-bin, ZHANG Fei-fei, LI Yu-ling33-37,489Protein Extraction Methods of Sorghum Leaf Suitable for SDS-PAGE AnalysisXU Ke-jing, CHEN Yun, LEI Zhen-zhen, CHENG Hai-li, CHEN Lei, YUE Chao-yin38-4010Effects of Chemical Regulators on Lodging, Senescence,Grain Yield and Quality of Maize under Stress EnvironmentZHAO Chun-ling, WANG Xiu-ping, DONG Peng-fei, LIU Tian-xue41-4411Effects of Topdressing Time on N,P and K Uptake and Dry Matter Accumulation of Especial-early Summer CornLIU Xiu-hong, DU Tian-qing, HAO Jian-ping, SHEN Yi-li45-4812Study and Validation of Recommendation Fertilization Model of Flue-cured TobaccoJIANG Hou-long, LIU Guo-shun, YANG Chao, HU Hong-chao49-5513Comparision of Morphology and Leaf Anatomical Feature between Cotton Industrial Seedling and Seedling of Nutritional BowlHAO Xi, DAI Dan-dan, LI Yan-peng, GUO Hong-xia, YANG Tie-gang56-5914Establishment of Plant Regeneration System of Tea Trees by Asepsis SowingHUANG Yan-fen, WU Xi, ZHOU Guo-lan, ZHAO Hua-fu60-6315Effect of Qianhefu Water-soluble Foliar Fertilizer on Chromoplast Pigments and Their Degraded Products in Flue-cured Tobacco LeavesXU Chun-ping, JIA Ke, MAO Duo-bin64-6716Breeding of Transgenic Insect Resistant Cotton Yu 068 with Disease Resistance and High YieldLI Wu, FANG Wei-ping, ZHAO Yuan-ming, TANG Zhong-jie, YANG Xiao-jie68-7017Ecological Security Evaluation of Water and Land Resources in Chuxiong CityWEI Yu, YUAN Guang-hong, LI Xiu-zhai, TONG Shao-yu71-7618Effects of Combined Application of Astragalus sinicus with Different Amount of Chemical Fertilizer on Rice Yield and Economic EfficiencyWANG Qin, GUO Xiao-yan, ZHANG Li-xia, L(U) Yu-hu, PAN Zi-liang, LIU Chun-zeng77-8119Remediation Effect of Water Hyacinth on Micro-pollution Small Water in Rural AreaGAO Jun-xia, DANG Hong-bin, JIANG Ling-yan, LIU Lei, MA Xiao-meng82-8520Effects of Vegetable Greenhouse on pH Value and Microorganism in the Soil after Long Term UseDONG Xi-wen, DU Chun-mei, DUN Yuan-yuan, WANG Jing, ZHU Jian, WU Yu-de86-88 