The developmental expression of Mj-l-1 of Meloidogyne javanica gene was analyzed by RT-PCR of stage-specific cDNA.

• 2．利用半定量RT-PCR技术，对Mj-l-1基因在爪哇根结线虫的侵染前二龄幼虫，成熟雌虫和卵内的表达丰度进行分析。