茜草科的猪殃殃(Galium aparine L.Var。tenerum(Gren.et Godr.)Rebb.),紫草科的麦家公(Lithospermum arvense L.),豆科的大巢菜(Vieia sativa L.)和禾本科的野燕麦(Avena fatua L.)是苏北垦区麦田四大恶性杂草,也广泛分布于国内外广大小麦产区。自1971年以来,作者参考李扬汉(1956)、Cox(1972), Galium aparine L.Var.tenerum (Gren.et Godr.) Rebb.), Lithospermum arvense L., Leguminosae Vieia sativa L. ) And gramineous wild oats (Avena fatua L.) are the four major weed weeds in the northern Jiangsu reclamation wheat field, but also widely distributed in the vast wheat production areas at home and abroad. Since 1971, the author has referred to Li Yanghan (1956), Cox (1972),