Malaysian Applied Biology Journal

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06_NurulhudaMS

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Malays. Appl. Biol. (2009) 38(1): 43–47

DIVERSITY OF Fusarium SPECIES FROM VEGETABLE FRUITS

NURULHUDA, M.S., LATIFFAH, Z.*, BAHARUDDIN, S. and MAZIAH, Z.
School of Biological Sciences, Universiti Sains Malaysia,
11800 Minden, Penang, Malaysia.
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ABSTRACT

Fusariumspecies is one of the most common fungal species that causes post-harvest diseases such as fruit rot or decay on vegetable fruits. A survey was conducted in several markets and hypermarkets in Penang Island to determine the presence of Fusarium species on vegetable fruits. The vegetable fruits sampled were cucumber (Cucumis sativus), tomato (Lycopersicon esculentum), okra (Hibiscus esculentus), loofah (Luffa acutangula), bitter gourd (Momordica charantia), brinjal (Solanum melongena), and red chilli (Capsicum annuum). Fifty-two Fusarium isolates were obtained and based on morphological characteristics, six species were identified namely, FsemitectumF. oxysporumF. subglutinansF. proliferatumF. solaniand F. equiseti. The most common species isolated were F. semitectum(33%) followed by F. oxysporum (27%) and F. solani(25%). The presence of several Fusariumspecies suggested that vegetable fruits are prone to Fusariumcontamination. Contamination by Fusariumspecies could pose health hazard when contaminated vegetable fruits are consumed, as the six Fusarium species are able to produce mycotoxins.

ABSTRAK

Fusarium merupakan salah satu spesies kulat yang menyebabkan penyakit lepas tuai seperti reput buah atau kereputan ke atas buah-buahan sayuran. Satu kajian telah dijalankan di beberapa buah pasar dan pasaraya di sekitar Pulau Pinang, untuk menentukan kehadiran spesies Fusariumpada buah-buahan sayuran. Buah-buahan sayuran yang telah disampel adalah timun (Cucumis sativus), tomato (Lycopersicon esculentum), bendi (Hibiscus esculentus), petola (Luffa acutangula), peria (Momordica charantia), terung (Solanum melongena), dan lada merah (Capsicum annuum). Lima puluh dua pencilan Fusariumtelah diperolehi dan berdasarkan ciri-ciri morfologi, enam spesies telah dikenalpasti iaitu, F. semitectumF. oxysporumF. subglutinansF. proliferatumF. solanidan F. equiseti. Spesies yang paling banyak diperolehi adalah F. semitectum(33%), diikuti oleh F. oxysporum(27%), dan F. solani (25%). Kehadiran beberapa spesies Fusarium mengusulkan buah-buahan sayuran berkecenderungan dicemari oleh Fusarium. Pencemaran oleh spesies Fusariumboleh memudaratkan kesihatan apabila buah-buahan sayuran yang dicemari dimakan, kerana enam spesies Fusariumtersebut boleh menghasilkan mikotoksin.

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