PAGE of esterase isozymes in NILs of four kinds of dimondback moth pupa shows the number of special esterase isozymes in NILs of dimehypo and cartap-resistance are equal. But the composing is different . This result is differ from theformer reports .

• 三种抗性近等基因系的小菜蛾的酯酶同工酶电泳结果表明，虽然抗杀螟丹近等基因系小菜蛾与抗杀虫双近等基因系小菜蛾所产生的特异性酯酶同工酶带数量相等，但酶谱却有所差别，而且与以往的报道不同。