Zhang Weidong, male, born in 1964, professor. 1983.7- 1987.9, majoring in biology, Xiamen University; 1987.9- 1990.9, majoring in agriculture, Shenyang Agricultural University; 1990.9-1993.12, Shenyang Agricultural University. 1993.12-1998.7 teaches in the department of agriculture of Shenyang agricultural university, 1998.8-2002. 1 works as a researcher in the research office of Shenyang municipal government, 12002.2-