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2022 Volume 1 Issue 2
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CHEN Huanzhu, TANG Yingzhi, HUANG Jianxiang, et al. Antagonistic Effects of Different Trichoderma Species on Pitaya Canker[J]. PLANT HEALTH AND MEDICINE, 2022, (2): 39-46. doi: 10.13718/j.cnki.zwyx.2022.02.006
Citation: CHEN Huanzhu, TANG Yingzhi, HUANG Jianxiang, et al. Antagonistic Effects of Different Trichoderma Species on Pitaya Canker[J]. PLANT HEALTH AND MEDICINE, 2022, (2): 39-46. doi: 10.13718/j.cnki.zwyx.2022.02.006
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Antagonistic Effects of Different Trichoderma Species on Pitaya Canker

  • 1. Hainan North Latitude 180 Fresh Fruit Co. Ltd, Dongfang Hainan 572600, China;

  • 2. Hainan Maple Love Agriculture Co. Ltd, Dongfang Hainan 572600, China

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  • Received Date: 05/12/2021

  • MSC: S436.63

  • Pitaya canker is an important disease to pitaya. In order to effectively carry out biological control of pitaya canker, the mycelial growth rate and spore yield of 17 Trichoderma species were accessed and their inhibitory effects on pitaya canker were compared by confrontation inhibition test and pot test. Trichoderma KN-28 had the highest antibacterial effect and the inhibition rate of its sterile fermentation broth to pitaya canker was as high as 92.9%. Pot experiment showed that the control effect of Trichoderma KN-28 could reach 59.07% to 70.11%. In conclusion, Trichoderma KN-28 has a great potential to control pitaya canker, and is expected to be the target strain for biological control of pitaya canker.
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Antagonistic Effects of Different Trichoderma Species on Pitaya Canker

  • Received Date: 05/12/2021

Abstract: Pitaya canker is an important disease to pitaya. In order to effectively carry out biological control of pitaya canker, the mycelial growth rate and spore yield of 17 Trichoderma species were accessed and their inhibitory effects on pitaya canker were compared by confrontation inhibition test and pot test. Trichoderma KN-28 had the highest antibacterial effect and the inhibition rate of its sterile fermentation broth to pitaya canker was as high as 92.9%. Pot experiment showed that the control effect of Trichoderma KN-28 could reach 59.07% to 70.11%. In conclusion, Trichoderma KN-28 has a great potential to control pitaya canker, and is expected to be the target strain for biological control of pitaya canker.

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