Can avermectin and phoxim kill root-knot nematodes?

Not sure.

Phoxim is effective against pholiota adiposa larvae, and can control wheat aphid, wheat sawfly, cotton aphid, cabbage caterpillar, thrips, armyworm, fruit tree aphid, inchworm, whitefly, tobacco budworm, rice borer, rice leaf roller, leafhopper, planthopper, rice thrips, cotton bug, red bug and so on.

How to use avermectin: ①? 2% avermectin EC+1000- 1500 times and 1% emamectin benzoate can effectively control the damage of Plutella xylostella and Pieris rapae, and the control effect on Plutella xylostella is still effective 90-90 days after application. ②? To control LEPIDOPTERA, Liriomyza sativae, Liriomyza sativae, Liriomyza sativae, Bemisia tabaci and other pests, spraying avermectin EC+ 1.8% with high chlorine for 7- 1000 days at the peak of egg incubation and larval stage, the control effect is still above 90%. ③ To control Spodoptera exigua, using 1000 times 1.8% avermectin EC, the control effect is still above 90% after 7- 10 days. ④ To control tetranychus urticae, gall mite, tea yellow mite and all kinds of resistant aphids on fruit trees, vegetables, grain and other crops, we should use 1.8% avermectin EC for spraying 4000-6000 times. ⑤ 500 ml/mu was used to control root-knot nematodes in vegetables, and the control effect was 80-90%.