1Research Advance in Blacking Mechanism of Wheat Grain with Black PointLIANG Xiaolong, LI Qiaoyun, NIU Jishan1-62Progress on Improvement and Development of Loop-Mediated Isothermal Amplification MethodCAI Shudong, WU Shuang, ZHAO Weixin, CHENG Darong, ZHU Shanyuan, GU Lingling7-113Study on K Uptake and Distribution of Direct-seeded Rice in Cold AreaWANG Lijuan, LUO Shengguo, LIU Yuanying, ZHAO Guangxin, WANG Huan12-174Status and Suggestion of Wheat Variety Utilization in Southern Huang-Huai Wheat RegionZHAO Hong, WANG Xicheng, HU Weiguo, CAO Tingjie, LIU Zhao, CHEN Yu18-24,385Effects of Irrigation Quota and Plastic Film Mulching on Yield of Seed Corn in Hexi Area25-306Climate Suitability Zoning of Yongyou Series Maize Cultivars by Sensitive Meteorological Factors in Huang-Huai-Hai RegionDU Zixuan, LI Tongxiao, WANG Xiuping, LI Xiangyan31-387Correlation between REE Content in Pollen and Yield of Camellia oleifera and Precipitation Rate of REE by Boiling Water BrewYAN Rongling, CHEN Juhong, MAO Longyi, TANG Xiaomei, ZHU Lin, LIAO Yang39-42,588Study on Biological and Ecological Characteristics, Resource Situation,Protection and Exploitation of Ancient Populations of Eurya alata in Dachagou Valley of XinyangWANG Fuhe, ZHAO Shicheng, SHEN Minghai, ZHAO Lianhua, YAN Tengfei43-489Effects of ETDA on Growth and Zn Accumulation of Medicago sativa L.under Zn StressWU Sanqiao, DAI Huiping, JIA Genliang, LI Xinsheng, PEI Jinjin49-5210Studies on Using of Uncomposted Mushroom Residue to Replace Peat as Nursery Media for Trifolium repens SeedlingsHUANG Songshan, WANG Genmei, ZHENG Guangyao, CHEN Rong53-5811Effects of Straw Returning with Fertilizer and Decomposition Inoculants on Soil Enzyme Activity and Yield of Winter WheatLI Guoyang, YAN Zhaoling, LI Qian, WEI Li, GUAN Xiaokang, WANG Tongchao59-6312Effects of Nitrogen Application Rate on Yield, Quality and Storage of PitayaTANG Hengpeng, LI Lijie, QIAN Xiaogang, NIE Keyan, ZHAO Zeying, PENG Zhiliang64-6813Analysis of Spatial Variability of Topsoil Nutrients of County Area of the Lower Yellow River——A Case Study of Dong'e CountyLU Xiangyang, ZHANG Jinping, WEI Fan, ZHANG Baohua69-7314Identification of Antagonistic Fungus to Camellia Diseases and Study of Biological Characteristics and Antagonism EffectWEI Mi, LU Lu, LI Chunqi, FU Benzhong, LI Guoyuan, WANG Lihua74-8015Determination of Chlorpyrifos-methyl in Vegetables and Fruit by Matrix Solid-Phase Dispersion Extraction and Resonance Light Scattering MethodZHANG Chuanlin, HU Qinghong81-8516Comprehensive Benefits of Different Pesticides and Concentrations to Control Oriental Fruit Moth on HawthornZHANG Kunpeng, WANG Xianghong, LI Jianhua, WANG Jingshun86-90,9917Weed Survey of Wheat Fields in Henan Province91-9418Allelopathic Effects of Rhus chinensis M.on Different Varieties of Medicago sativa L.ZHU Wangsheng95-9919Establishment of Genetic Transformation System for Hybrid Phalaenopsis Based on Protocorm from Geminated SeedZHANG Hechen, DONG Xiaoyu, WANG Limin, ZHANG Jing, MENG Yue'e, FU Zhenzhu, LI Yanmin107-111,12420Effects of Different Treatments on Root Cutting of Jasminum sambacZHOU Jinye, LI Chunniu, LU Jiashi, LI Xiuling, SONG Qian, LUO Haibin, BU Zhaoyang112-117 