Variability among isolates of Fungus Fusarium mangiferae associated with malformation disease of mango. | [Pakistan Journal of Botany • 2008]

Author(s):

1. Zafar Iqbal: University College of Agriculture, University of Sargodha, Sargodha, Pakistan

2. Muhammad Maqbool: University College of Agriculture, University of Sargodha, Sargodha, Pakistan

3. Kafeel Ahmad: Deapartment of Biological Sciences, University of Sargodha, Sargodha, Pakistan

4. Zafar I. Khan: Deapartment of Biological Sciences, University of Sargodha, Sargodha, Pakistan

5. Ehsan Elahi Valeem: Department of Botany, Government Degree Science & Commerce College, Karachi, Pakistan

6. Muhammmad Aslam Pervaiz: Institute of Horticultural Sciences, University of Agriculture, Faisalabad, Pakistan

Abstract:

Twenty isolates of the fungus Fusarium mangiferae were isolated and identified from 14 different locations of Pakistan. The isolates FM-1 to FM-20 showed prominent purple or rosy buff pigmentation on the under surface of the Petri dishes on Potato dextrose agar medium. On Carnation leaf agar the colony growth was granular white and sometimes cottony with pinkish tinge. Some differences among cultural and morphological features were detected after 3, 7 and 12 days of inoculation. Maximum colony diameter of 32.16 mm after three days was exhibited by isolate FM-2 on PDA and 32.5 mm by FM-17 on CLA, after seven days, 66.0 mm by FM-20 on PDA and 65.5 mm by FM-18 on CLA. After twelve days, maximum colony diameter of 81.33 and 80.0 mm was shown by FM-20 on PDA and CLA, respectively. Isolates FM-20 proved to be fast and FM-7 slow growing with mean colony size of 57.50 and 42.96 mm on both the media, respectively. The present study elucidates mycological variability among isolates of ecological proximity or different national origins.

Page(s): 445-452

DOI: DOI not available

Published: Journal: Pakistan Journal of Botany, Volume: 40, Issue: 1, Year: 2008

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