进境美国大豆中值得关注的真菌Diaporthe novem
张莹,胡佳续,滕少娜,廖芳,罗加凤

A noteworthy fungus Diaporthe novem on soybean imported from America
Ying ZHANG,Jiaxu HU,Shaona TENG,Fang LIAO,Jiafeng LUO
表2 已发表的大豆上4种间座壳属近似种的形态比较
Table 2 Morphological comparison of four similar species of Diaporthe on soybean
阶段
Phage
Diaporthe novema,b
(syn. D. pseudolongicolla)
Diaporthe longicollab,c,d
Diaporthe caulivorac,d
(syn. D. phaseolorum var.
caulivora)
Diaporthe aspalathic,d
(syn. D. phaseolorum var.
meridionalis)
现用名
Current name
Diaporthe novem Phomopsis longicolla Phomopsis phaseoli Phomopsis phaseoli
菌落形态
(PDA)
Cultural
characteristics
on PDA
白色致密的气生菌丝
Fresh mycelia white,
compact, aerial
白色,呈密集的丛卷毛状,
有时部分区域显黄绿色
White, compact aerial mycelium
with typical yellowish-green ring
around the centre of colony
丛毛状的白色菌落,
后期变为黄色至茶色
White colonies tufted
and turn yellow to tan
in later stage
白色,丛生长毛,
老熟后变成深褐色
White, tufted long hair, dark
brown after maturity
无性型形态
Anamorph
characteristics
α型分生孢子单胞,卵圆形或椭球形,
两端稍钝,透明,通常含2个油球,
大小为6.0-10.0×1.9-3.1 μm;β型分
生孢子透明,单胞,丝状,一端弯曲,
大小为19.5-37.7×0.9-2.0 μm
Alpha conidia unicellular, oval or ellipsoidal,
with obtuse ends, hyaline, 2-guttules, 6.0-10.0×
1.9-3.1 μm; beta conidia hyaline, unicellular,
filiform, curved at one end, 19.5-37.7×0.9-2.0 μm
α型分生孢子透明,单胞,
梭形,含2个油球,大小
4.9-9.0×1.4-3.5 μm;β型
分生孢子极少见
Alpha conidia hyaline,
unicellular, ellipsoidal,
2-guttules, 4.9-9.0×
1.4-3.5 μm; beta conidia
rarely seen
很少见
Rarely seen in culture
很少见
Rarely seen in culture
生殖方式
Sexuality
异宗配合
Heterothallic
无性生殖
Asexual
同宗配合
Homothallic
同宗配合
Homothallic
有性型形态
Teleomorph
characteristics
子囊38.5-43.0×6.5-10.5 μm,棍棒状,
顶端可见折光环;子囊孢子8.6-13.1×
2.1-3.6 μm,透明,光滑,圆柱形,
中间有隔膜,有时分隔处有缢缩,
常含4个油球,有时无油球
Asci 38.5-43.0×6.5-10.5 μm, clavate, with
visible refractive apical ring; ascospores
8.6-13.1×2.1-3.6 μm, hyaline, smooth,
cylindrical, medianly septate, sometimes
constricted at the septum, normally
4-guttules, sometimes eguttulate
未发现
Not found
子囊29.8-40.0×4.0-7.0 μm,
长棍棒状,顶部有清晰的折
光环;子囊孢子8.0-12.0×
2.4-4.0 μm,透明,纺锤形,
双胞,常含油球
Asci 29.8-40.0×4.0-7.0 μm,
clavate, with conspicuous
refractive apical ring; ascospores
8.0-12.0×2.4-4.0 μm, hyaline,
fusoid, two-celled, normally
guttules
子囊34.8-41.1×4.8-8.7 μm,
长棍棒状,顶部有清晰的折
光环;子囊孢子7.4-13.2×
2.3-4.2 μm,无色,纺锤形,
双胞,含4个油球
Asci 34.8-41.1×4.8-8.7 μm,
clavate, with conspicuous
refractive apical ring; ascospores
7.4-13.2×2.3-4.2 μm, colourless,
fusoid, two-celled, 4-guttules