团生菜又叫结球莴苣,是河北省农科院蔬菜所由日本引进的。经几年引种观察、适于在我省种植,应大力推广。生菜属菊科一年生作物,有结球型和散叶型。结球型生菜心叶抱合成球,故名团生菜。食用部分主要是叶球,球叶质地脆嫩,生食为主,风味鲜美,营养丰富,清爽可口。散叶型有绿色和紫色两种。结球型生菜产量高,品质好,生产上栽培主要是结球型。生菜不仅是国际友人喜食的菜肴,是高级宾馆、饭店不可缺少的高档蔬菜,而且它将进入每个家庭的菜谱之中,对增加蔬菜市场花色品种、调节市场供应可起重要作用。团生菜喜冷凉,忌高温,种子发芽最适温度为15—20℃,幼苗耐低温能力较强,形成叶球后,最 League lettuce, also known as the ball lettuce, is a vegetable from Hebei Academy of Agricultural Sciences by Japan. After several years of introduction observation, suitable for planting in our province, should be vigorously promoted. Lettuce Asteraceae annual crops, a ball type and scattered leaf type. Knot-shaped lettuce leaves cling to the ball, named lettuce group. Edible part of the main leaf ball, ball leaf crisp texture, raw food-based, tasty, nutritious, refreshing and delicious. Scattered leaves are green and purple two. Knot-shaped lettuce high yield, good quality, mainly on the production of knot-type cultivation. The lettuce is not only a favorite dish for international friends, but also an indispensable high-grade vegetable for high-class hotels and restaurants. It will also enter into the recipes of every family and play an important role in increasing the variety of vegetable markets and regulating the market supply. Group lettuce hi cold, bogey high temperature, seed germination optimum temperature of 15-20 ℃, seedling ability to withstand low temperature, the formation of leaf ball, the most