Page 39 - 《广西植物》2023年第7期
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7 期 田甲佳等: 云南三个地区马铃薯内生真菌多样性研究 1 2 0 7
表 3 14 株代表菌株的 ITS 序列 BLAST 比对结果
Table 3 Comparison result of 14 representative endophytic fungi associated with Solanum tuberosum
分离菌株 最大相似菌株 GenBank 登录号 相似性
Isolated strain Largest similar strain Genbank access No. Similarity (%)
M1 曲霉属 Aspergillus sp. GQ169451.1 100
M2 裸孢壳属 Emericella sp. AB249018.1 99.13
M3 局限青霉 Penicillium restrictum AY373928.1 99.47
M4 长极链格孢 Alternaria longissima MK592738.1 100
M5 尖孢镰刀菌 Fusarium oxysporum MK641485.1 100
M6 接骨木镰刀菌 F. sambucinum KP292801.1 99.81
M7 哈茨木霉 Trichoderma harzianum KU696482.1 99.84
M8 Pseudopyrenochaeta terrestris NR_160575.1 99.29
M9 Plectosphaerella plurivora MT801143.1 99.11
M10 毛韧革菌 Stereum hirsutum LC430906.1 99.84
M11 Colletotrichum boninense MZ312521.1 99.66
M12 Psathyrella sulcatotuberculosa MK304138.1 100
M13 Epicoccum catenisporum NR_158229.1 100
M14 尾孢菌属 Cercospora sp. MK210506.1 99.43
表 4 马铃薯内生真菌菌落形态特征
Table 4 Morphological characteristics of Solanum tuberosum endophytic fungal colonies
主要菌丝形态特征
分离菌株 主要菌落形态特征 种属
Main morphological
Isolated strain Main morphological characteristics of colony Species
characteristics of mycelium
M1 菌落圆形ꎬ生长较快ꎬ质地较硬ꎬ浅绿色ꎬ 菌丝细长ꎬ有分支ꎬ分生孢子头部 子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
构巢曲霉 菌落表面为绒状ꎬ 菌丝体较发达ꎬ产生大 呈短柱型 目ꎬ曲霉科ꎬ曲霉属
Aspergillus nidulans 量闭囊壳时会出现黄褐色 Mycelium is slenderꎬ with branchesꎬ Ascomycotaꎬ Eurotiomycetesꎬ
Round coloniesꎬ fast growthꎬ hard textureꎬ light the head of conidia is short columnar Eurotialesꎬ Aspergillaceaeꎬ
greenꎬ colony surface is downyꎬ mycelium more Aspergillus
developedꎬ showing yellow ̄brown when
producing a large number of closed shell
M2 菌落圆形ꎬ具有辐射状沟纹ꎬ菌丝体密集ꎬ 子囊近球形ꎬ菌丝细长ꎬ有分支ꎬ子 子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
褶皱裸孢壳 菌落边缘整齐且呈暗草绿色ꎬ质地紧密无 囊孢子呈双凸镜状ꎬ分生孢子不 目ꎬ曲霉科ꎬ裸孢壳属
Emericella rugulosa 外渗液体 明显 Ascomycotaꎬ Eurotiomycetesꎬ
Round coloniesꎬ with radial groovesꎬ mycelium Oocyst is subgloboseꎬ mycelium Eurotialesꎬ Aspergillaceaeꎬ
denseꎬ colony edge is neat and dark grass greenꎬ slenderꎬ with branchesꎬ ascospores Emericella
dense texture without exuding liquid biconvex mirrorꎬ conidia inconspicuous
M3 菌落多圆形ꎬ起初为白色ꎬ生长后期变为青 菌丝分支多ꎬ有隔ꎬ有少量突起ꎬ分 子囊菌门ꎬ 散囊菌纲ꎬ 散囊菌
局限青霉 灰色ꎬ菌丝体较发达ꎬ呈绒状ꎬ边缘部分整 生孢子梗直立 目ꎬ曲霉科ꎬ青霉属
Penicillium restrictum 齐ꎬ在菌落上有时出现白色小突起 Mycelium has many branchesꎬ Ascomycotaꎬ Eurotiomycetesꎬ
More colonies are roundꎬ white at firstꎬ septateꎬ with a small number of Eurotialesꎬ Aspergillaceaeꎬ
greenish gray at the later stage of growthꎬ protrusionsꎬ conidial peduncle erect Penicillium
mycelium is more developedꎬ velvetyꎬ the
edge is partly neatꎬ sometimes there are small
white protrusions on the colony
M4 菌落不规则圆形ꎬ菌丝发达ꎬ生长迅速ꎬ菌 菌丝较为密集ꎬ长絮状 子囊菌门ꎬ 座囊菌纲ꎬ 格孢菌
长极链格孢 落为棉絮状ꎬ边缘菌丝纤维丝状ꎬ颜色为白 Mycelium is denser and flocculent 目ꎬ格孢菌科ꎬ链格孢属
Alternaria longissima 色ꎬ培养基呈红褐色 Ascomycotaꎬ Dothideomycetesꎬ
Irregular round coloniesꎬ mycelium developedꎬ Pleosporalesꎬ Pleosporaceaeꎬ
growing rapidlyꎬ the colony is cotton woolꎬ the Alternaria
edge of the mycelium fiber filamentousꎬ the color
is whiteꎬ the medium is reddish brown