Paper Information

Journal:   ROSTANIHA   2012 , Volume 13 , Number 1 (42); Page(s) 111 To 112.
 
Paper:  FIRST REPORT OF COLLETOTRICHUM DRACAENOPHILUM ON DRACAENA SANDERIANA
 
Author(s):  KOMAKI A.M.*, AGHAPOUR B., AGHAJANI M.A.
 
* DEPARTMENT OF PLANT PROTECTION RESEARCH, AGRICULTURE AND NATURAL RESOURCES RESEARCH CENTER OF GOLESTAN PROVINCE, GORGAN, IRAN
 
Abstract: 

In March 2011, anthracnose symptoms were observed on stems of Dracaena sanderiana as imported ornamental plant in Gorgan, Golestan province (NE Iran). According to the Farret al. (2006) the pathogenic fungus were identified as Colletotrichum dracaenophilum D.F. Farr & M.E. Palm. Morphology of the species isolated from host plant tissue is:
Acervuli (Fig.1A) have been arranged concentrically on the stem, formation as tiny black spot, 300–380
mm, septate setae (Fig.1B), sparse, scattered in hymenium, black, 180–295×3.75–6.25 mm, straight to slightly curved, becoming narrowed and hyaline at rounded apex, 4–11 septate. Conidiophores (Fig.1C) were dark brown to hyaline and originated from hymenium, conidiogenous cells are phialidic, hyaline, cylindrical, ovoid, 11–32 (–20.75)×(–6.13) 4–8 mm, conidiogenesis is entroblastic.
Conidia (Fig.1D) are hyaline, unicellular, cylindrical to ovoid, straight or slightly curved, guttulate, 21–31 (–26.62)×(–6.5) 5–8
mm. The cirrus (cirrhus) colour of conidia was yellowish orange. Colony on the PDA was white and became pale pink in the center of colony. The fungus growth was 7 cm during seven days at 25 oC...

 
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