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河北农业大学(邮码:071001,电话:0312-2091309)郑均宝教授等人经过5年潜心研究,培育成功杨树新品种——转双抗虫基因741杨,已通
Hebei Agricultural University (Postcode: 071001, Tel: 0312-2091309) Prof. Zheng Junbao and others after five years of painstaking research to cultivate a successful new poplar varieties - transgenic double resistance gene 741 Yang, has passed