A stable and major QTL region on chromosome 2 conditions pod shape in cultivated peanut (Arachis hyopgaea L.) oleh Sheng-zhong ZHANG, Xiao-hui HU, Fei-fei WANG, Ye CHU, Wei-qiang YANG, Sheng XU, Song WANG, Lan-rong WU, Hao-liang YU, Hua-rong MIAO, Chun FU, Jing CHEN