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作 者:王燕鹂[1] 喻国辉[1] 陈远凤[1] 杨紫红[1] 陈燕红[1] 黎永坚[1]
机构地区:[1]珠海市农业科学研究中心,广东珠海519075
出 处:《中国蔬菜》2010年第20期57-61,共5页China Vegetables
基 金:珠海市科技计划项目(PC20071061;PC20081078);国家科技支撑计划(2008BADA5B04)
摘 要:利用化学药剂与生防菌结合,对由尖孢镰刀菌芹菜专化型引起的西芹黄萎病进行综合防治研究。结果表明:苗期使用50%多菌灵可湿性粉剂(WP)、50%福美双·多菌灵WP(活根菌灭)或40%噁霉灵WP(噁霉敌)灌根均能显著消除育苗基质中的病原菌孢子,孢子下降率达99.00%以上;大田继续使用上述3种化学药剂或改用生防菌芽孢杆菌S11和M3,都能够显著降低西芹黄萎病发病率,防治效果最高为85.98%;其中持续单独使用50%多菌灵WP或苗期使用50%多菌灵WP、大田改用生防菌芽孢杆菌对西芹的生长没有不良影响。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.
关 键 词:西芹黄萎病 50%多菌灵WP 50%福美双·多菌灵WP 40%噁霉灵WP 芽孢杆菌M3、S11菌株
分 类 号:S436.36[农业科学—农业昆虫与害虫防治]
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