1Advances in the methods of PCR-based site-directed mutagenesis5-82Recent advances in study on mitochondrial DNA of locusts8-103Interspecific Cross-incompatibility between Triticum aestivum and Its Related Species and Their F1 Kernel CharactersCHEN Jun-ying, FENG Lin-jian, SHU Wen-tao, TAI Guo-qin16-194Soil Textures on the Soluble Protein Content of Flag Leaves and the Accumulation of Kernel Dry Matter in Winter WheatHAN Qiao-xia, GUO Tian-cai, WANG Hua-cen, LIU Wan-dai, WANG Yong-hua20-235Effects of different eco-environment on the crude fat content of maize hybrids24-25,306Effects of Water Stress on Soluble Sugars and Free Proline Content in Leaves of RiceCHEN Xiao-yuan, LING Mu-sheng, GAO Zhi-hong26-307Effects of Low-temperature on the Sprouting of Axillary Buds of Flue-cured Tobacco at the Early StageYUE Cai-peng, HUANG Jin-yong, ZHU Da-heng, HAN Jin-feng32-358Breeding of the new peanut variety Yuhua 9331 with the feature of large pod and precocity36-379Genetic Correlation and Path Analysis between Economic Characters and Yield of Peanut Intercropped with WheatLU Hong-wei, DU Hong, YAN Ling-yun, MEI Si-wei, TANG Feng-shou, DONG Wen-zhao38-4010Effects of different row spaces on the principal characteristics of sub-indeterminate soybean varieties44-45,5011Dynamic Change of Sclerotinia sclerotiorum Spore Amount on Spring Rapeseed in FieldCHEN Shi-hua, WU Xing-quan, XIN Hui-pu46-5012Epidemic regularities of southern leaf blight and curvalaria leaf spot on different corn varieties51-5313Determination of Indoor Toxicities of 11 Fungicides against Alternaria alternatXING Xiao-ping, YUAN Hong-xia, SUN Bing-jian, LI Hong-lian, WANG Xin54-55,6014Assessment of Soil Quality in Water Source Area——A Case Study of Tan-xiao-guanWU Ke-ning, ZHENG Xin-wei, LU Qiao-ling, FU Qiao-ling, HAN Chun-jian56-6015Fertilization Effects on Soil Fertility and Crop Yield under Different Cultivation Patterns in Protected FieldsYANG He-fa, FAN Ju-fang, XIE Yong-li, LI Ji61-6516Allelopathic Effects of Aquatic Extracts from Gaura parviflora on Seed GerminationYUAN Zhi-liang, LI Xiao-ming, HUANG Wei-an, JIA Hong-ru, YE Yong-zhong66-6817Effects of CaCl2 on the Postharvest Quality of Dioscorea opposita Thunb. cv. TiegunZHAO Xi-ting, SUN Ying, HE Nan, HOU Hui-min, JIN Xu, SONG Ya-juan, LI Ming-jun69-7218Effects of hormone proportions on the adventitious bud induction of Dioscorea opposita explants73-7419Identification and pathogenicity of pathogen brown spot of apple during cold storage76-7820Cloning and Sequencing of HN Gene of Newcastle Disease Virus Isolated from LuoyangYU Zu-hua, CHENG Xiang-chao, ZHANG Chun-jie, LI Yin-ju, WU Ting-cai, DING Ke, HE Lei82-86 