芦笋茎枯病是我省芦笋的主要病害,一般病茎率在30～100%,死茎率在30～50%,病害严重的死茎率可达100%,造成严重减产。特别是三年生左右的笋田,近几年发病尤为严重,常造成毁种,已成为我省芦笋生产发展的主要障碍(请参阅封三图)。一、症状此病只发生在芦笋茎上,故而得名茎枯病。发病初期,病斑呈纺锤形或短线形,水 Asparagus stem blight is the main disease of asparagus in our province, the general disease stem rate of 30 to 100%, dead stem rate of 30 to 50%, serious disease dead stem rate of up to 100%, resulting in serious yield reduction. Especially about three year old bamboo shoots, the incidence is particularly serious in recent years, often causing deforestation, has become the main obstacle to the development of asparagus production in our province (see cover three map). First, the symptoms of the disease occurs only in the asparagus stem, it was named stem blight. Early onset, lesions were spindle-shaped or short-shaped, water