Published May 21, 2021 | Version v1
Taxonomic treatment Open

Trichoderma saturnisporum Hammill, Mycologia

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Description

7. Trichoderma saturnisporum Hammill, Mycologia 6:, 970. Figure 9

Section—Longibrachiatum

Description:

Colony: 7.0– 8.5 cm growth was observed in 4 days on PDA medium. White fluffy pustules turning to grey-green colour with the age. The pustules uniformly spreaded throughout the plate. Reverse of the plate is yellow-green.

Conidiophores: Conidiophores arising from the aerial mycelium of developed pustules, asymmetrically branched, the branches producing phialides directly or rebranching, the secondary branches producing phialides along the length and ending in a single phialide; sometimes the main axis of a conidiophore is terminating in a sterile, septate, branched or unbranched, hypha-like elongation.

Phialides: Phialides mainly arising singly, less frequently in appressed to divergent whorls of 2–3, typically curved, ampulliform to broadly lageniform, sometimes hooked or sinuous.

Conidia: Conidia green, smooth walled but with conspicuous sinuate, bullate or wing like inflations of the outer wall, ellipsoidal, 4.5–7.5 × 3.5–4.5 µm.

Chlamydospores: Chlamydospores present, globose, 6.0–12.0 µm dia.

Culture examined:ITCC 7273 (Soil, Chandigarh) ITCC 7274 (Soil, Palampur, HP).

Diagnostic features: Conidiophores are asymmetrically branched producing single curved, ampulliform, lageniform, hooked or sinuous phialides directly.Conidia have conspicuous wing like inflations on the outer wall.

Ecology and habitats: Wood, herbaceous tissue, soil.

Notes

Published as part of Thokala, Prameeladevi, Narayanasamy, Prabhakaran, Kamil, Deeba & Choudhary, Shiv Pratap, 2021, Polyphasic taxonomy of Indian Trichoderma species, pp. 1-27 in Phytotaxa 502 (1) on page 21, DOI: 10.11646/phytotaxa.502.1.1, http://zenodo.org/record/5424892

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Linked records

Additional details

Biodiversity

Family
Hypocreaceae
Genus
Trichoderma
Kingdom
Fungi
Order
Hypocreales
Phylum
Ascomycota
Scientific name authorship
Hammill, Mycologia
Species
saturnisporum
Taxon rank
species