Serial No. 6
Kingdom : Fungi
Division : Ascomycota
Subdivision : Pezizomycotina
Class : Sordariomycetes
Subclass : Hypocreomycetidae
  Order : Hypocreales
  Family : Hypocreaceae
  Genus : Trichoderma
  Species : asperellum
  Binomial Name : Trichoderma asperellum
  Author : Samuels, Lieck and Nirenberg, 1999
Synonyms :
Not available
Telomorph :
Hypocrea asperella Starback, 1899
Colony colour | : | Translucent or watery white |
Colony characteristics | : | Grew moderately rapidly, reaching up to 5 cm in diameter after 3 days incubation. |
Colony radius | : | 31-43mm |
Colony on PDA | : | 54 mm at 300C, 27 mm at 350C and 0 mm at 400C, forming upto 5 concentric rings of dense conidial production |
Hyphae | : | In the form of lawn |
Mycelia | : | Sparse and grew close to the agar, aerial mycelium lacking |
Pigments | : | No yellow pigment diffusing through the agar at any temp. |
Odour | : | No odour |
Conidiophore | : | Regularly branched; branches typically paired |
Phialides | : | Straight; L/W ratio, 2:4 |
Conidia | : | Grass green to dark green, cushion shaped tufts, Conidia subglobose or ovoidal, finely spinulose, L/W 1.0 - 1.7 |
Chlamydospores | : | Abundant within one week on CMD grown at 200C in darkness, terminal or infrequently intercalary, on immersed hyphae, subglobose to ovoidal, smooth, pale green, (4.5-)7.7-11.7(-15) μm diam. |
Stromata | : | None known |
Ascospores | : | None known. |
Main cell wall composition | : | Glucans, glycoprotien, chitin |
Type of reproduction | : | Asexual (Herman et al. 2004). |
Growth rate | : | After 72 hrs. on PDA at 300C: (7-)54(-64)mm |
Economic importance | : | Biological control against plant pathogens |
Optimum temp. for growth rate | : | 300C |
Optimum pH | : | 4.00 (Kredics et al. 2003) |
Metabolite production | : | Trichotoxin Peptaibols (Chutrakul et al., 2008) |
Enzymatic production | : | Glucanase |
Morphology | Conodiophore | Spore |
District : Churachandpur
Topography : Slope
Latitude : 24016'55.4''N
Longitude : 93041'03.0''E
Altitude (M) : 842