2) α-farnesene synthase α-法尼烯合成酶 1. Objective:To suppress the expression ofα-farnesene synthasegene(PFS) after its transcription in Yali pear(Pyrus breschneideri Rehd),a double-stranded RNAi plasmid was constructed. 目的:为了在转基因鸭梨植株中有效抑制转录后α-法尼烯合成酶基因(PFS)的...