Pyramiding Bt genes for increasing resistance of cotton to two major lepidopteran pests: Spodoptera litura and Heliothis armigera Database of the Safety and Benefits of Biotechnology Here The database contains 2 references relating to the Safety and Benefits of Biotechnology and "Zhu Y". References relating to "Zhu Y": Pyramiding Bt genes for increasing resistance of cotton to two major lepidopteran pests: Spodoptera litura and Heliothis armigera (2014) Jin S, Li L, Zhang X, Zhu Y A 90-day feeding study of glyphosate-tolerant maize with the G2-aroA gene in Sprague-Dawley rats (2013) Zhu Y, et al.