Association mapping of lignin response to Verticillium wilt through an eight-way MAGIC population in Upland cotton oleh Xiao-min TIAN, Peng HAN, Jing WANG, Pan-xia SHAO, Qiu-shuang AN, Nurimanguli AINI, Qing-yong YANG, Chun-yuan YOU, Hai-rong LIN, Long-fu ZHU, Zhen-yuan PAN, Xin-hui NIE