Synergistic Effects of Biofumigation and Microbial Agents on Cucumber Continuous Cropping Obstacles

doi:10.16409/j.cnki.2095-039x.2026.02.006

Abstract

Abstract: Continuous cropping obstacle poses a significant constraint to the green and sustainable development of the cucumber industry. This study aims to evaluate the synergistic effects of biofumigation combined with microbial inoculants and their influence on soil micro-environmental effects, thereby offering effective solutions for mitigating cucumber continuous cropping obstacle. The results showed that the inhibition rates of Fusarium spp., Mycosphaerella spp. and root-knot nematode after biofumigation integrated with microbial inoculants were 95.65%, 72.93% and 92.26%, respectively, and the successive investigations during the planting period of the two crops of cucumber showed that the preventive efficacies of biofumigation integrated with microbial inoculants against root-knot nematode in cucumber were 100.00% and 76.31%, respectively. The results of soil trace elements and physicochemical properties showed that biofumigation integrated with microbial inoculants had no significant effect on the content of aluminum and magnesium in the soil, significantly increased the content of ammonium nitrogen and quick-acting potassium, and had no effect on the stability of soil aggregates. This study suggests that the synergistic effect of biofumigation integrated with microbial inoculants has potential application value in solving the problem of continuous cropping problem in cucumber facility agriculture.

Key words: metam-sodium, microbial inoculants, soil micronutrients, continuous cropping problem in cucumbers, biofumigation

CLC Number:

S476

ZHANG Wei, CHEN Xinhua, WANG Xin, LIU Xuemei, CAO Aocheng, YAN Dongdong, FANG Wensheng, LI Yuan, WANG Qiuxia. Synergistic Effects of Biofumigation and Microbial Agents on Cucumber Continuous Cropping Obstacles[J]. Chinese Journal of Biological Control, 2026, 42(1): 106-113.

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