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Volume 3 Issue 3
Sep.  2012
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Article Navigation >  Journal of Tropical Biology  > 2012  >  3(3): 228-231

QIU Xiaocong, LI Songgang, XIE Yixian, ZHAN Wei, ZHANG He, LU Ying. Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec[J]. Journal of Tropical Biology, 2012, 3(3): 228-231. doi: 10.15886/j.cnki.rdswxb.2012.03.006
Citation: QIU Xiaocong, LI Songgang, XIE Yixian, ZHAN Wei, ZHANG He, LU Ying. Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec[J]. Journal of Tropical Biology, 2012, 3(3): 228-231. doi: 10.15886/j.cnki.rdswxb.2012.03.006
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Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec

doi: 10.15886/j.cnki.rdswxb.2012.03.006

  • 1. College of Environment and Plant Protection, Hainan University, Haikou, Hainan 570228;

  • 2. Environment and Plant Protection Institute, CATAS, Danzhou, Hainan 571737;

  • 3. Tropical Crops genetic Resources Institute, CATAS, Danzhou, Hainan 571737s, China

  • Received Date: 2012-03-13
  • Litchi anthracnose caused by Colletotrichum gloesporioides （Penz） Saec is an important disease in Litchi production. The mycelium growth rate method was used to measure and compare the toxicities of 4 fungicides against strains 4-1-1and 4-1 of C. gloesporioides Penz. These fungicides included 10% difenoconazole, 400g·L-1 flusilazole, 40% myclobutanil and 45% prochloraz. The results showed that 10% difenoconazole was most effective in inhibiting the radial mycelial growth of the strains 4-1-1 and 1-1 with the respective EC50 values of 1.607 7 mg·L-1 and 1.614 0 mg·L-1. The 40% myclobutanil showed the lowest toxicity against the mycelial growth of the strains 4-1-1 and 1-1 with the EC50 values being 9.405 9 mg·L-1 and 10.595 0 mg·L-1, respectively. The 10% difenoconazole gave a 5.9 and 6.6 times higher inhibition rate against these two strains than the 40% myclobutanil.
  • [1] 王绍春,冯淑芬,刘秀娟.橡胶炭疽病药剂防治试验[J].植物保护,2002,28(1):28-30.
    [2] 陈圆,周传波,肖彤斌,等.7种杀菌剂对槟榔炭疽菌的室内毒力测定[J].广东农业科学,2011,38(5):99-100.
    [3] 李敏,胡美姣,高兆银,等.杀菌剂对番木瓜胶孢炭疽菌的室内毒力测定[J].农药,2009,48(10):767-768

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    [4] 陆铮铮,肖仲久,蒋选利.几种杀菌剂对辣椒胶孢炭疽菌的室内毒力测定[J].植物医生,2010,23(4):38-40.
    [5] 杨叶,何书海,胡美姣.海南芒果炭疽菌对多菌灵的抗药性测定[J].热带作物学报,2008,29(1):73-77.
    [6] 罗志文,范鸿雁,何凡,等.菠萝炭疽病的病原鉴定与生物学特性研究[J].安徽农业科学,2010,38(34):19392-19395.
    [7] 方中达.植病研究方法[M].第3版.北京:中国农业出版社,1998.
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Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec

doi: 10.15886/j.cnki.rdswxb.2012.03.006
  • 1. College of Environment and Plant Protection, Hainan University, Haikou, Hainan 570228;
  • 2. Environment and Plant Protection Institute, CATAS, Danzhou, Hainan 571737;
  • 3. Tropical Crops genetic Resources Institute, CATAS, Danzhou, Hainan 571737s, China
  • Received Date: 2012-03-13

Abstract: Litchi anthracnose caused by Colletotrichum gloesporioides （Penz） Saec is an important disease in Litchi production. The mycelium growth rate method was used to measure and compare the toxicities of 4 fungicides against strains 4-1-1and 4-1 of C. gloesporioides Penz. These fungicides included 10% difenoconazole, 400g·L-1 flusilazole, 40% myclobutanil and 45% prochloraz. The results showed that 10% difenoconazole was most effective in inhibiting the radial mycelial growth of the strains 4-1-1 and 1-1 with the respective EC50 values of 1.607 7 mg·L-1 and 1.614 0 mg·L-1. The 40% myclobutanil showed the lowest toxicity against the mycelial growth of the strains 4-1-1 and 1-1 with the EC50 values being 9.405 9 mg·L-1 and 10.595 0 mg·L-1, respectively. The 10% difenoconazole gave a 5.9 and 6.6 times higher inhibition rate against these two strains than the 40% myclobutanil.

QIU Xiaocong, LI Songgang, XIE Yixian, ZHAN Wei, ZHANG He, LU Ying. Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec[J]. Journal of Tropical Biology, 2012, 3(3): 228-231. doi: 10.15886/j.cnki.rdswxb.2012.03.006
Citation: QIU Xiaocong, LI Songgang, XIE Yixian, ZHAN Wei, ZHANG He, LU Ying. Inhibitory Effect of Different Fungicides Against Two Strains of Colletotrictum gloeosporioides （Penz） Saec[J]. Journal of Tropical Biology, 2012, 3(3): 228-231. doi: 10.15886/j.cnki.rdswxb.2012.03.006
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