蘖茭是春种茭白于当年7～8月间的一次孕茭(结茭),以往有零星发生,但近年来随着外界环境条件的变化,蘖茭数量逐年增多。据我县三年初步调查,1985年亩产蘖茭为50～100公斤.1986年亩产为500～600公斤,1987年亩产达700～800公斤。蘖茭不仅品质差、产量低,而且直接影响秋茭的收获。产生蘖茭的原因是: Tilting 茭 is a spring species 茭 white in July and August when a pregnant 茭 (Results 茭), sporadic occurred in the past, but in recent years as the external environmental conditions change, the number of tillers increased year by year. According to the preliminary survey conducted by our county for three years, the yield of tillering per mu in 1985 was 50-100 kilograms, that of 500-600 kilograms per mu in 1986 and 700-800 kilograms per mu in 1987. Tillers not only poor quality, low yield, but also a direct impact on autumn harvest. The reason for tillering is: