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韭葱是一种优质蔬菜,目前上海每年有一定数量的加工品出口。随着创汇农业的发展,对韭葱的需求量也将逐步增加。对韭葱的研究巳被提上议事日程。世界最早研究韭葱的报告出现在1940年,较系统的研究是60年代以后,主要集中在欧州一些国家,如法国、德国、瑞士、英国、荷兰等。由于韭葱的遗传特性,使它成为不易改良的作物。目前世界上对韭葱品种的改良目标是提高产量、提高抗寒
Leek is a kind of high-quality vegetables, at present, Shanghai has a certain amount of processed products exported each year. With the development of foreign exchange agriculture, the demand for leeks will also gradually increase. Research on leeks has been put on the agenda. The earliest report on leek in the world appeared in 1940. The more systematic study was made after the 1960s, mainly in some European countries such as France, Germany, Switzerland, the United Kingdom and the Netherlands. Due to the genetic characteristics of leeks, making it a difficult to improve the crop. At present, the improvement goal of leek varieties in the world is to increase output and increase cold resistance