DISTRIBUTION AND DIVERSITY OF FUSARIUM SPECIES ASSOCIATED WITH GRASSES IN TEN STATES THROUGHOUT PENINSULAR MALAYSIA
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Fusarium is one of the important genera associated with grasses as saprophytes endophytes
and pathogens A study was carried out on distribution and diversity of Fusarium species
associated with two groups of grasses in 10 states throughout Peninsular Malaysia ie
agricultural grasses Oryza sativa and Saccharum officinarum and nonagricultural grasses
Axonopus compressus Centhotheca lappacea Chloris barbata Crysopogon aciculatus Cyanadon dactylon
Dactyloctenium aegyptium Digitaria ciliaris Echinochloa colona Eleusine indica Eragrostis amabilis
Eragrostis malayana Eragrostis uniloides Ischaemum magnum Panicum brevifolium Panicum millaneum
Panicum repens Paspalum commersonii Paspalum conjugatum Paspalum orbiculare Pennisetum purpureum
Sacciolepis indica Sporobolus diander and Sporobolus indicus A total of 474 isolates were single
spored and identified by morphological characteristics F semitectum was frequently isolated
236 followed by F sacchari and F fujikuroi with 154 and 146 respectively The other
nine species were F solani 103 F proliferatum 89 F oxysporum 74 F subglutinans
65 F equiseti 55 F verticillioides 34 F compactum 25 F chlamydosporum 11 and
F longipes 08 Based on the ShannonWeiner Index F solani was the highest H 262
isolated from grasses Species of Fusarium from O sativa were widely diverse with 11 species
followed by nonagricultural grasses with nine species and S officinarum with only six species
This is the first report on diversity of Fusarium associated with grasses in Malaysia
Key words Oryza sativa Saccharum officinarum nonagricultural grass Fusarium species
diversity and Gramineae
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