田东县冬春种大白菜未熟抽薹的发生特点及防治对策

The occurrence features and countermeasures of bolting-early for winter and spring Chinese cabbage in Tianyang County

广西大白菜冬春生产中,出现未熟抽薹现蕾的现象,严重影响其品质和产量,造成菜农减产减收,甚至绝收的严重后果。本文通过调查2008年田东县发生的大白菜抽薹的情况,结合该时期的气候特点分析其原因,并提出预防措施。实践证明,只有农户掌握春化的生理特性及条件,找到原因,才能采用科学的方法和正确的预防对策,避免或减少损失,最终达到稳产、高产增收的目的。

In winter and spring Chinese cabbage production of Guangxi, the bolting-early can impact badly the vegetable＇s quality and yield and decrease farmers＇ income, even hundred-percent loss. By means of the investigation for bolting-early of Chinese cabbage at Tianyang County in 2008, integrating with the weather features during this period, the reasons for bolting-early have been analyzed and some prevention countermeasures have been put forward in this paper.