Effect of different biocontrol agents alone or in combination on the number of Meloidogyne incognita in soil and roots as well as symptom expression on cucumber plants in the field experiment.

aThe S. racemosum and avermectin products in treatments 2–4 were dissolved in 10 L of water and used for irrigation on the planting furrow in one replicate. The untreated control was irrigated with 10 L of water only.

处理组2至4中的总状链霉菌（S. racemosum）与阿维菌素制剂均溶于10升水中，用于浇灌单个实验重复的种植垄沟。空白对照组仅以10升清水进行浇灌。