松脂类化合物对线虫菌孢子萌发和菌丝生长的影响。

IF 2 4区 生物学 Q2 AGRONOMY
Mycobiology Pub Date : 2025-04-09 eCollection Date: 2025-01-01 DOI:10.1080/12298093.2025.2484866
Nguyen Manh Ha, Hye Rim Han, Jin Heung Lee, Jong Kyu Lee
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引用次数: 0

摘要

松材线虫(PWN)引起的松材枯萎病在世界上许多国家都有报道,造成了严重的危害。已经实施了许多管理PWN的措施,包括使用噬线虫真菌蠕虫作为生物防治剂。然而,对这种真菌与松树的相互作用的了解仍然有限。本研究旨在探讨树脂化合物对线虫孢子萌发和菌丝生长的影响。研究结果表明,松脂类化合物对线虫孢子萌发和菌丝生长有显著影响。其中(+)α-蒎烯、(-)α-蒎烯和(-)柠檬烯完全抑制孢子萌发和菌丝生长,孢子萌发抑制率(sir)和菌丝生长抑制率(MGIR)均为100%。14种树脂混合物对线虫孢子萌发和菌丝生长的抑制效果也较好,SGIR和MGIR分别为100%和91.8%。上述结果表明,在松树树干上注射线虫孢子悬浮液对松材枯萎病的防治是不成功和无效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Effects of Resinous Compounds from Pine Trees on Spore Germination and Mycelial Growth of a Nematophagous Fungus, <i>Esteya vermicola</i>.

Effects of Resinous Compounds from Pine Trees on Spore Germination and Mycelial Growth of a Nematophagous Fungus, <i>Esteya vermicola</i>.

Effects of Resinous Compounds from Pine Trees on Spore Germination and Mycelial Growth of a Nematophagous Fungus, <i>Esteya vermicola</i>.

Effects of Resinous Compounds from Pine Trees on Spore Germination and Mycelial Growth of a Nematophagous Fungus, Esteya vermicola.

Pine wilt disease caused by pine wood nematodes (PWN) have been reported to give severe damage in many countries worldwide. Many measures of PWN management have been implemented, including using the nematophagous fungus Esteya vermicola as a biological control agent. However, understanding on the interaction between this fungus and pine trees is still limited. This study aimed to evaluate the effects of resinous compounds on spore germination and mycelial growth of E. vermicola in vitro. Research results showed that resinous compounds from pine trees significantly affect spore germination and mycelial growth of E. vermicola. In which, (+)α-pinene, (-)α-pinene, and (-)limonene completely inhibited spore germination and mycelial growth, with 100% of spore germination inhibition rate (SGIR) and mycelial growth inhibition rate (MGIR). The mixture of 14 resinous compounds also indicated potent inhibition of spore germination and mycelial growth of E. vermicola, with 100% and 91.8% SGIR and MGIR, respectively. These results suggest that trunk injection of spore suspension of E. vermicola to pine tree could be unsuccessful and ineffective for the control of pine wilt disease.

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来源期刊
Mycobiology
Mycobiology AGRONOMYMYCOLOGY-MYCOLOGY
CiteScore
3.90
自引率
5.30%
发文量
41
审稿时长
22 weeks
期刊介绍: Mycobiology is an international journal devoted to the publication of fundamental and applied investigations on all aspects of mycology and their traditional allies. It is published quarterly and is the official publication of the Korean Society of Mycology. Mycobiology publishes reports of basic research on fungi and fungus-like organisms, including yeasts, filamentous fungi, lichen fungi, oomycetes, moulds, and mushroom. Topics also include molecular and cellular biology, biochemistry, metabolism, developmental biology, environmental mycology, evolution, ecology, taxonomy and systematics, genetics/genomics, fungal pathogen and disease control, physiology, and industrial biotechnology using fungi.
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