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0引言田旋花是半灌木,多年生草本,近无毛,全株被银灰色绢毛,多分枝,具刺,花冠粉红或白色,根状茎横走,种子椭圆形,花期5-8月,果期7-9月。田旋花是吐鲁番农田的一种多年生恶性杂草,在当地农田杂草中属优势种群,尤其是在葡萄园与葡萄争夺肥水,成为叶螨早春
0 Introduction Landsland flowers are semi-shrubs, perennial herbs, nearly glabrous, whole plant silvery gray sericeous, much branched, prickly, corolla pink or white, rhizome transverse, seed oval, flowering May-August , The fruit of July-September. Convolvulus is a perennial vicious weed in Turpan’s farmland. It is a dominant species in the weeds in the local farmland, especially in the vineyard where it competes with the grape for fertilizers to become spider mites in early spring