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随着育种工作的开展,大白菜周年栽培、周年供应已成为现实。目前国内外大白菜育种工作者已相继育成一批反季节栽培的春播品种,为鉴定其抗病性、冬性和结球性,进行了本项试验。材料与方法一、供试品种共10个,来自日本2个、韩国2个、昆明1个、自选的4个,以青岛鲁春白1号为对照。二、试验方法 1995年3月12日阳畦育苗,苗床覆盖一层塑料薄膜,夜间加盖苇毛苫,管理同一般苗床。4月13日定植露地。两行区,顺序排列,重复2次。小区面积8.2m~2,株行距50cm×53cm。田间管理一致,6月5日调查收获。
With the breeding work carried out, annual Chinese cabbage cultivation, annual supply has become a reality. At present, Chinese cabbage breeding workers at home and abroad have successively cultivated a number of spring sowing varieties in counter season cultivation. This experiment was conducted to identify the disease resistance, winteriness and cocooning. MATERIALS AND METHODS 1. A total of 10 varieties were tested, including 2 from Japan, 2 from South Korea, 1 from Kunming and 4 from their selection. Second, the test method Yang March 12, 1995 nursery seedlings, seedbed covered with a layer of plastic film, covered with reed furfur at night, management with the general seedbed. April 13 colonization exposed. Two-line area, arranged in order, repeated 2 times. Area of 8.2m ~ 2, spacing of 50cm × 53cm. Field management consistent, June 5 survey harvest.