WANG Pengcheng,ZHAO Shuxue,ZHANG Enjian,et al.Evaluation of Trichoderma Resistance Trait in Germplasm of Oudemansiella raphanipies[J].Northern Horticulture,2026,(15):115-123.[doi:10.11937/bfyy.20260331]
长根菇种质抗木霉性状评价
- Title:
- Evaluation of Trichoderma Resistance Trait in Germplasm of Oudemansiella raphanipies
- 文章编号:
- 1001-0009(2026)15-0115-09
- Keywords:
- Oudemansiella raphanipies; Trichoderma spp.; screening; antagonism
- 分类号:
- S646
- 文献标志码:
- A
- 摘要:
- 以26株长根菇菌株为试材,采用平板对峙培养方法,研究了木霉对长根菇生长的影响,筛选出抗木霉特性优异的长根菇优良菌株,以期为长根菇栽培提供参考依据。结果表明:供试26株长根菇菌株的生长势存在显著种内差异,其中菌株3、4、5、6、10、12、13、14、15、16、20、22、24、25、26、27、28菌落形态整齐,菌丝浓密粗壮,生长势表现强劲;菌株4、15、24为生长速率最快的类群。从污染菌棒中成功分离鉴定出1株长根菇栽培中的优势污染木霉菌株,经鉴定为哈茨木霉,命名为LV1。平板对峙培养结果表明,不同长根菇菌株对哈茨木霉LV1的抗性存在显著差异,其中菌株3、5、6、9、13、14表现出优异的抗LV1能力,为高抗菌株。该研究筛选获得的长根菇高抗木霉菌株,可直接应用于长根菇规模化栽培生产,为有效解决生产实践中的木霉污染难题提供了优质菌株资源与技术支撑。
- Abstract:
- Taking 26 strains of Oudemansiella raphanipies as test materials,and the plate confrontation culture method was employed to investigate the effects of Trichoderma spp.on the growth of O.raphanipies,aiming to screen excellent O.raphanipies strains with superior Trichoderma spp.resistance,in order to provide a reference for its cultivation.The results showed that there were significant intraspecific differences in the growth vigor among the 26 tested O.raphanipies strains.Among them,strains 3,4,5,6,10,12,13,14,15,16,20,22,24,25,26,27,and 28 exhibited neat colony morphology,dense and robust mycelia,and strong growth vigor;strains 4,15,and 24 constituted the group with the fastest growth rate.One dominant contaminating Trichoderma spp.strain in O.raphanipies cultivation was successfully isolated and identified from the contaminated fungus sticks,which was identified as Trichoderma harzianum and designated as LV1.The results of plate confrontation culture indicated that there were significant differences in the resistance of different O.raphanipies strains to LV1,among which strains 3,5,6,9,13 and 14 showed excellent resistance to LV1 and were identified as highly resistant strains.The O.raphanipies strains with high Trichoderma spp.resistance screened in this study can be directly applied to the large-scale cultivation of O.raphanipies,which provides high-quality strain resources and technical support for effectively solving the problem of Trichoderma spp.contamination in production practice.
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备注/Memo
第一作者简介:王鹏程(1998-),男,硕士研究生,研究方向为食用菌遗传育种。E-mail:19861622099@163.com.责任作者:李维焕(1979-),女,博士,副教授,现主要从事食用菌遗传育种、栽培和生理等研究工作。E-mail:lwh1969@163.com.基金项目:济宁市重点研发计划资助项目(2023NYNS005);山东省现代农业产业技术体系食用菌创新团队遗传育种岗位资助项目(SDAIT-07-03)。收稿日期:2026-01-27