Disease Pathogens of Dragon Fruits ( Hylocereus Sp.) in Sukamade, Banyuwangi District East Java Indonesia

RACHMI MASNILAH, SUHARTI NINGSIH DWI NURCAHYANTI, ALI WAFA

Abstract


Dragon fruits or pitayas (Hylocereus sp) are the non-indigenous plants. It could be attacked by indigenous pathogen were carried by stem callus or/and attacked by native pathogens where it has developed. In Sukamade, the pitayas planted by intensive lightning-monoculture system on large area. It has reported has damaged due to plant disease. The research aims to detect and identification of disease pathogens on Sukomade pitayas, Banyuwangi. It has conducted by several steps: symptoms sample picking, agar plate isolation, morphological and biochemical test identification and postulate Koch procedure. The result showed it was attacked by several pathogens. Generally, the Sukomade pitayas attacked by scab disease, dry rot, stem yellowing, wet rot, and anthracnose. That disease can attack the stem and fruits either, but the wet rot and yellowing neither, it has only found on the stem of Sukomade pitayas. Based on identification procedure, scab disease caused by Fusarium sp., the dry root by Fusarium oxysporum, the stem yellowing by nutrient deficiency, the wet rot disease by Pectobacterium carotovorum and the anthracnose by Colletotrichum spp.

Keywords


Colletotrichum spp., , Fusarium sp., Identification, Pitaya, Symptoms

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References


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