Abstract：Celery yellow wilt is caused by Fusarium oxysporum f. sp. apii. The integrated control of this disease by fungicides and bio-control bacteria were studied. The results showed that the concentration of pathogenic spores in seedling substrate were reduced obviously by treated with 50 % carbendazim WP, 50 % thiram-carbendazim WP or 40 % carbendazim-thiram WP. The elimination rates of spores were over 99.00 %. After the seedlings were transplanted into the fields, the disease incidence of celery yellow wilt were decreased greatly by treated with those 3 fungicides respectively or treated instead of Bacillus strain S11 or M3. The highest control effect was up to 85.98 %. Among these treatments, 50 % carbendazim WP continuous treatment or using Bacillus S11 or M3 instead 50 % carbendazim WP in the filed stage had no negative influence on the height and weight of celery.
