早熟春甘蓝先期抽薹原因及预防措施吴新财（江西省蔬菜生产办公室南昌３３００４６）１９９６年我省某些县市种植“京丰１号”甘蓝面积较多，都发生了先期抽薹现象，损失很大。由于春甘蓝在南方都进行越冬栽培，次年５～６月收获，从播种到收获历时约８个月，在此期间低温... Premature bolting reason and precautionary measures Wu Xincai (Jiangxi Province Office of Vegetable Production Nanchang 330046) In 1996, some counties and cities in our province planted “Jingfeng 1” cabbage more area, have occurred pre-bolting, a great loss. As spring cabbage is cultivated in winter in the south, it is harvested from May to June of the next year, and the sowing to harvesting lasted for about 8 months, during which period the temperature ...