4James C. Global Status of Commercialized Biotech/GM Crops: 2010 [R]. Metro Manila, Philippines:International Service for the Acquisition of A-gri-biotech Applications(ISAAA), 2010.
5Matin Q, David Z. Yield effects of genetically modified crops in countries [J], Science, 2003, 299(2): 900-902.
6Huang J K, Rozelle P, ffang Q F. Plant Biotech-nology in China [J], Science, 2002, 295 (1):674-677.
7Wu KM, Lu YH, Feng HQ, et al. Suppression ofcotton bo11worm in multiple crops in China inareas with Bt toxin-containing cotton [J]. Sci-ence, 2008,321(5 896) ; 1 676-1 678.
8Marvier M,McCreedy C,Regetz J, et al. Ameta-analysis of effects of Bt cotton and maizeonnontarget invertebrates[J]. Science, 2007, 316(5 830) : 1 475-1 477.
9Wright PR. Premature senescence of cotton(Gossypium hirsutum L.) predominantly a potassi-um disorder caused by an imbalance of source andsink [J], Plant Soil, 1999, 211(2) : 231-239.
