一、引言关于甘兰(Brasica oleracea L. Var.capitataL.)未熟抽苔植株所获得的种子,一般蔬菜科学工作者和菜农都认为没有采种价值。因此,发现这样的植株,全部弃而不用。经过我们三年的试种观察,认为把未熟抽苔的种子,作为春季的生产种子,不但与一般采种方法能获得坚实的叶球和正常的生产外,而且还有提早成熟增加产量的趋势。现将其初步结果报导出来,以供生产者的参考。并希读者批评指正。在农业生产实践中尤以早熟甘兰,常常于叶球未形成之前,竟至抽苔开花,一般只 I. INTRODUCTION Seeds obtained from the unripe bolting plants of Brasica oleracea L. Var. Capitata L., considered by most vegetable scientists and growers as having no seed-value for their collection, Therefore, found that such plants, all abandoned without. After three years of trial observation, we think that the immature bolting of seeds, as the seed for the spring production, not only can obtain solid leaf balls and normal production with the general method of harvesting, but also tends to increase the yield early. Now its initial results reported for producer’s reference. And hope readers correct criticism. In the practice of agricultural production, especially in the early stage of sweet orchid, often in the leaves before the formation of the ball, actually to the moss flowering, generally only