烟草苗期病虫害的综合防治

介绍了烟草苗期主要病害的种类、症状、发病条件及分布 ,如烟草炭疽病、烟草猝倒病、烟草立枯病和主要虫害的种类与分布 ,如地下害虫 (蝼蛄、地老虎、金针虫、蛴螬等 )和蚜虫等。详细介绍了苗期病虫害的综防措施 :①做好苗床地的选择 ;②苗床土、肥的选用与育苗设施的消毒方法 ;③选用无病种子 ;④确保苗期卫生 ;⑤主要病虫害的药剂防治 ;⑥加强苗期管理

Comprehensive Control of Diseases and Pests in Tobacco Seedling Stage

The groups, distribution, occurrence conditions and most distinctive symptoms of major diseases, such as anthracnose, damping|off, chicory leaf spot of tobacco, and the species, distribution and population dynamics of major pests, such as under|ground pests (mole crickets, cutworms, wireworms and green leaf beetle, etc.) and Aphid green peach etc. in seedling stage were introduced. Comprehensive control methods were as follows: 1) choosing right seedbed; 2) disinfecting soil, fertilizers and instruments; 3) selecting un|infected seeds; 4) enhancing seedbed management; and 5) applying of agricultural chemicals.