Cross inoculation of anthracnose pathogens infecting various tropical fruits

Anthracnose disease is very important disease of tropical fruits causing significant yield losses. The disease is caused by Colletotrichum spp. and infects almost all tropical fruit species, especially the succulent ones. Various species of Colletotrichum infect various tropical fruits and there are...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-01, Vol.102 (1), p.12080
Main Authors: Suparman, Rahmiyah, M, Pujiastuti, Y, Gunawan, B, Arsi
Format: Article
Language:English
Subjects:
Anthracnose
Beans
Colletotrichum
cross inoculation
Experimental research
Fruits
Infections
Inoculation
Papayas
Pathogenicity
Pathogens
Solanum melongena
Species
Spores
tropical fruits
Vegetables
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Summary:Anthracnose disease is very important disease of tropical fruits causing significant yield losses. The disease is caused by Colletotrichum spp. and infects almost all tropical fruit species, especially the succulent ones. Various species of Colletotrichum infect various tropical fruits and there are possibilities for cross inoculation to occur among tropical fruits which might cause severe infection. An experimental research was conducted to examine the effect of cross inoculation of anthracnose pathogen among papaya, eggplant, chili and common bean on the infection development and severity of the disease on each inoculated fruit species. Colletotrichum spp. were isolated from naturally infected papaya, eggplant, chili and common bean. Each fungal isolate was purified and identified to determine the species name. The spores of each isolate were then used to separately inoculate healthy and sterilized papaya, eggplant, chili and common bean. The results showed that cross infection developed on chili, eggplant and papaya but not on bean. Chili showed the highest susceptibility to all Colletotrichum isolates and significantly different from eggplant and papaya. The anthracnose pathogen isolated from common bean showed no pathogenicity to other hosts and might be used as cross protection inoculant to the disease in the other hosts.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/102/1/012080