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  1. Asian Journal of Plant Pathology
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  3. 102-117
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Asian Journal of Plant Pathology

Year: 2017 | Volume: 11 | Issue: 3 | Page No.: 102-117

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Authors


Ashraful  Alam

Ashraful Alam

LiveDNA: 880.15399

Sanjoy Kumar Adhikary

Country: Bangladesh

Mahtalat Ahmed

Country: Bangladesh

Keywords


  • acervuli
  • C. gloeosporioides
  • conidia
  • growth rate
  • Mangifera indica L.
Research Article

Morphological Characterization of Colletotrichum gloeosporioiedes Identified from Anthracnose of Mangifera indica L.

Ashraful Alam Ashraful  Alam's LiveDNA, Sanjoy Kumar Adhikary and Mahtalat Ahmed
Background and Objective: Mangifera indica L. (mango) is affected by various diseases at different developmental stages. One of the most common diseases of mango is anthracnose caused by Colletotrichum gloeosporioides in the world. Proper identification of causal organism is difficult because of the morphological variation. The objective of this study was to characterize the morphological variation of C. gloeosporioides. Materials and Methods: One hundred and forty isolates of C. gloeosporioides were taken from anthracnose lesions on fruits (51), leaves (59), flower clusters (17) and on twigs (13) of mango from geographic nine regions of Bangladesh. Cultural methods (mycelial growth rate, color, texture, acervuli, conidial size and setae) and microscopic measurements (ocular micrometer and stage micrometer) were used to characterize the isolates. The experiment was conducted by following Completely Randomized Design (CRD) with five replicates. One way analysis of variance was done to check the significant (p<0.05) differences. Results: All of the isolates varied significantly (p<0.05) among different plant parts and also among the origins. They followed the order of F<FLC<T<L and S2<S4<S9<S1<S8<S3<S6<S5<S7, respectively. Mycelial growth, size of conidia, acervuli (No. cm–2) ranged from 9.5-10.6 mm day–1, 17.82-30.26 and 1.00-5.40 μm, respectively. Mycelial color (5), texture (6) and setae were present. Isolates were clustered into four distinct groups. Conclusion: It is concluded that morphological variations of C. gloeosporioides among different plant parts and their origins were found in respect of their mycelial growth rate, conidial size, acervuli production, mycelial color, texture and setae.
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How to cite this article

Ashraful Alam, Sanjoy Kumar Adhikary and Mahtalat Ahmed, 2017. Morphological Characterization of Colletotrichum gloeosporioiedes Identified from Anthracnose of Mangifera indica L. Asian Journal of Plant Pathology, 11: 102-117.

URL: https://scialert.net/abstract/?doi=ajppaj.2017.102.117

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