对福建省根结线虫病区中卵囊真菌分离结果表明 ,真菌在卵囊的定殖率为 81.0 % ,具有生防活性作用的有益真菌比率为 36 .9%。其中 ,木霉菌、粉红粘帚霉和淡紫拟青霉 3种真菌在根结线虫防治及促番茄生长效果显著 ,试管试验防效分别为 82 .6 %、 75.0 %和 82 .6 % ,盆栽试验防效分别为 55.3%、 50 .0 %和 6 2 .5% ,栽后 6 0 d处理番茄的株高比对照分别增加 5.7cm、 4 .9cm和 4 .6 cm。 The results showed that the colonization rate of fungi in oocysts was 81.0%, and the beneficial fungi with biocontrol activity was 36.9%. Among them, Trichoderma, Pink glitter and Paecilomyces lilacinus three kinds of fungi in root-knot nematode prevention and treatment of tomato growth and the effect is remarkable, the test tube test control effect was 82.6%, 75.0% and 82.6%, potted The control effects were 55.3%, 50.0% and 62.5% respectively. The plant height of tomato treated 60 days after transplanting increased by 5.7cm, 4.9cm and 4.66cm respectively.