The crop type had no great effect on hatching of eggs in cysts;the eggs in cysts from fallow fields and the corn and soybean rhizosphere soils could hatch in vitro when conditions were suitable.

• 不同作物对其根围土壤中胞囊内卵的孵化影响不大,寄主作物大豆、非寄主作物玉米根围及休闲地土壤中的胞囊在条件适宜均可孵出二龄幼虫;