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中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 314-314.

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哈茨木霉对几种植物病原真菌拮抗作用及其抗药性的室内测定

陈方新,齐永霞,戴庆怀,黄远林,张小飞,罗 亮   

  • 出版日期:2005-11-05 发布日期:2005-11-05

In-lab Determination of Antagonism against Several Plant Pathogenic Fungi and Resistance to Fungicides of Trichoderma harzianum

Chen Fangxin, Qi Yongxia, Dai Qinghuai, Huang Yuanlin, Zhang Xiaofei, Luo Liang   

  • Online:2005-11-05 Published:2005-11-05

摘要: 室内通过对峙培养法测定了在不同的温度处理下哈茨木霉TH-1对棉疫病菌PB-1、番茄枯萎病菌TF-5、棉花枯萎病菌WF-3、西瓜枯萎病菌SF-1和水稻恶苗病菌FF-2的拮抗作用。结果表明,不同的温度处理下,哈茨木霉对供试植物病原菌的抑制作用不一,其中,以30℃黑暗条件哈茨木霉对病原菌菌丝生长的抑制作用最强,对峙培养72h后,木霉菌TH-1对PB-1、TF-5、WF-3、SF-1和FF-2的抑制率分别达到81.1%、74.1%、77.8%、65.7%和60%;25℃条件下次之;10℃、15℃和35℃条件下木霉菌

Abstract: The antagonism experiment by face-to-face-culturing on PDA media indicated that the mycelium inhibitory efficiencies of Trichoderma harzianum against PB-1, TF-5, WF-3, SF-1 and FF-2 were much related to the culturing temperature. Mycelium inhibitory effici