论文部分内容阅读
烤烟黑胫病是我县烤烟生产上的主要病害之一。为探讨防治该病的有效药剂和筛选使用浓度，我们于2001～2002年进行了有处理(克/667平方米)发病率(%)病情指数发病级别防效(%)413.3010.280.41117.867.785.830.23353.484.445.150.15658.8103.331.670.06786.6121.110.560.02295.5对
Flue-cured tobacco black shank is one of the major diseases in flue-cured tobacco production in our county. In order to explore the effective agents for the prevention and treatment of the disease and the screening concentration, we carried out the treatment from 2001 to 2002 (g / 667 square meters) incidence rate (%) disease index disease grade control effect (%) 413.3010.280.41117.867.785. 830.23353.484.445.150.15658.8103.331.670.06786.6121.110.560.02295.5 For