叶用莴苣(Lactuca sativa L.),属菊科莴苣属,一年生或二年生半耐寒性蔬菜,又名生菜,包生菜、团叶生菜、莴菜、千金菜等。原产地中海沿岸,美国、日本、荷兰等国家普遍栽培。近10年我所通过各种途径引入叶用莴苣200余份、经试种观察,筛选出适宜北京地区栽培的脆叶结球莴苣品种6个 Leaves with lettuce (Lactuca sativa L.), is an Asteraceae genus, annual or biennial half cold vegetables, also known as lettuce, lettuce, leaf lettuce, lettuce, Trichosanthes and so on. Origin of the Mediterranean coast, the United States, Japan, the Netherlands and other countries generally cultivated. In the past 10 years, I have introduced more than 200 leaves of lettuce by various means. After trial observation, 6 varieties of lettuce crisp leaves suitable for cultivation in Beijing were screened out