交互保护作用防治烟草病毒病的研究与应用前景

Studies on Cross Protection Technique for Control of Tobacco Virus Diseases and Its Application Prospects

交互保护作用（Croos—Protection）是防治植物病毒病的有效措施之一。近年来引起了人们的密切关注。本文主要论述了交互保护作用在烟草病毒病防治中取得的成就，选择弱毒株系和接种弱毒株系的方法，以及应用交互保护作用应考虑的技术问题，讨论了交互保护作用作为21世纪防治烟草病毒病重要措施的可行性。

Cross protection is one of the effective measures of controlling plant virus diseases It is noticed by people in recent years. This paper malnly introduces the successes of eross protection controlling tobacco virus diseases, methods of selecting mild strains;procedures of lnoculating mid strains and cross protection technical problems to be considered. It is desirable that cross protection techniques control tobacco virus diseases in the 21th century.