Serial No. 55
Kingdom : Fungi
Division : Ascomycota
Subdivision : Pezizomycotina
Class : Sordariomycetes
Subclass : Hypocreomycetidae
  Order : Hypocreales
  Family : Hypocreaceae
  Genus : Trichoderma
  Species : atroviride
  Binomial Name : Trichoderma atroviride
  Author : P. Karst, 1892
Synonyms :
Trichoderma parceramosum Bissett 1992
Telomorph :
Hypocrea atroviridis (Dodd et al., 2003)
Colony colour | : | Green after sporulation |
Colony characteristics | : | Uniformly dispersed, not pustulate or in conflict,sharply delimited and more or less dense central disk within which most conidia form |
Colony radius | : | 42-60mm |
Colony on PDA | : | Colony radius after 72 hrs. at 250C was 42-60 mm, at 350C, 0.3-8.3 mm |
Hyphae | : | White hyphae, sharply delimited and with a more or less dense central disk within which most conidia form. |
Mycelia | : | Uniform mat like formation |
Pigments | : | No pigment diffusing into the agar |
Odour | : | Sweet (coconut) odor typically noticed |
Conidiophore | : | Conidiophores branching typically unilateral although paired branches are common. Branches typically arising at 900 or less with respect to the branch above the point of branching. Paired branching systems common. |
Phialides | : | (4.2-) 6.0-9.7 (-15.0)μm long, (L/W (1.1-) 1.8-3.5 (6.3), straight or sinous, sometimes hooked, whorls of 2-4, often cylindrical and narror neck. |
Conidia | : | Conidia subglobose to ovoidal, smooth, L/W = (0.8-)1.0-1.3(-1.6), green colour |
Chlamydospores | : | Chlamydospores abundant within 7 d, globose to subglobose, terminal or intercalary, (5.2-)8.5-12.0(-16.3) μm diam. |
Stromata | : | Solitary to gregarious, adjacent stromata often fused, (0.5) 0.9-2.4 (-7.0) mm diameter |
Ascospores | : | Dimorphic, hyaline, thick walled, finely spinulose, distal part globose to subglobose |
Main cell wall composition | : | Glucans, glycoprotien, chitin |
Type of reproduction | : | Asexual (Herman et al. 2004). |
Growth rate | : | Green conidia typically appearing within 57-66 hrs. on PDA at 300C in darkness. |
Economic importance | : | Biological control against plant pathogens |
Optimum temp. for growth rate | : | 25 - 300C |
Optimum pH | : | 4.00 (Kredics et al. 2003). |
Metabolite production | : | Atroviridin (Oh et al., 2000), N-Phenylethylenediamine, Phenol,2-(2-benzoxazolyl), Phthalic acid, Dialltlamine, Propanal, 2-methyl-oxime (Anita et al., 2012) |
Enzymatic production | : | 1,3-β-glucosidase |
Morphology | Conodiophore | Spore |
District : Imphal east
Topography : Valley
Latitude : 24049'58.6''N
Longitude : 93057'46.0''E
Altitude (M) : 785