抗病毒病番茄─—北早上海农科院生物技术研究所许煜泉等、在国内首次运用基因转移技术培育出“北早”早熟、优质、抗病毒病番茄新品系，达到了国际同类研究的先进水平。经大田播种试验和三代筛选，此品种转基因植株可使病情指数下降５０％，以单株平均产量计算，可挽回因... Antiviral Disease Tomato ─ ─ In the early morning, Shanghai Institute of Biotechnology, Shanghai Academy of Agricultural Sciences Xu Yuquan, etc., in the country for the first time using gene transfer technology to cultivate “early morning” early, high-quality, anti-virus tomato new lines, reached the international advanced research of its kind Level. After the sowing experiment in the field and the three generations of screening, the transgenic plants of this variety can reduce the disease index by 50%, and the average yield per plant can be calculated ...