crown rot disease of banana

Crown rot of banana fruits is caused by a complex of fungal pathogens, the most common of which is Colletotrichum musae, and is one of the main quality defects of exported bananas.Susceptibility of banana fruits to crown rot is influenced by many pre-harvest factors. The aim of this study was to improve on the methodology for the evaluation of fruit susceptibility and to verify whether cultivation areas in Cameroon as well as seasonal variations have an influence on the susceptibility to crown rot. Registered in England & Wales No. The disease They equally wish to thank the dynamic team of the CARBAP Phytopathology Unit at Njombé (Oscar Nguidjo, Robert Dongmo, Flauribert Tchipé, Sakio Kana, Joseph Essomé, Clément Essoh, Madeleine Ntombé, Henri Mpouli, Adolphe Moussissa, Lévi Noumtcheu and Thaddée Nkwe) for their assistance in this project. Accepted author version posted online: 25 Sep 2012, Register to receive personalised research and resources by email, The susceptibility of bananas to crown rot disease is influenced by geographical and seasonal effects, University of Liège, Gembloux Agro-Bio Tech, Plant Pathology Unit, Passage des Déportés 2 , B-5030 , Gembloux , Belgium ; CARBAP, African Research Center on Bananas and Plantains, Plant Pathology Unit , P.O. Symptoms do not occur on the leaves. The application of our product against crown rot in plantain and banana is the ultimate solution against the inconveniences this problem causes. Fruit susceptibility was found to be significantly influenced by cultivation area (P < 0.001) since fruits grown in low altitude (Dia-dia, Koumba, 80 m) were more susceptible than fruits grown in high altitude (Ekona, 500 m). Hort Innovation – Final Report: The cause and management of crown rot of banana. Crown Rot (Common Banana Farming Diseases Symptoms) (Colletotrichum musae, Fusarium sp., Verticillium theobromae, Botryodiploidia theobromae and Nigrospora sphaericu) The characteristic symptoms are blackening of the crown tissues, which spreads to the pulp through the pedicel resulting rotting of the infected portion and separation of fingers from the hand. La susceptibilité des fruits s'est avérée significativement influencée par la région de culture (P < 0.001) étant donné que les fruits cultivés dans les basses terres (Dia-Dia, Koumba, 80 m) étaient plus susceptibles que ceux cultivés en altitude (Ekona, 500 m). To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. La réceptivité de la banane à l’égard de la pourriture du collet est influencée par plusieurs facteurs relatifs à la période avant-récolte. Crown rot is a complex disease that affects export bananas in all banana-producing countries. along with cut surfaces of hands and clusters, and permits initiation of the crown rot disease complex. While symptoms may vary from plant to plant, there is often little you can do once the disease occurs. The disease is a post-harvest problem affecting the fingers of the fruit. Crown rot studies and control are especially complex because of the observed diversity and variability in the composition and pathogenicity of the complex involved in the development of this disease. Crown rot is a complex postharvest disease which affects export bananas in all banana-producing countries. The fungus causes anthracnose 2 and black end rot of banana. La relation potentielle quant à la susceptibilité des fruits y est discutée en détail. Detection & Inspection Crown rot is a complex postharvest disease which affects export bananas in all banana-producing countries. A wide range of organisms are involved in crown rot of bananas but Colletotrichum musae is frequently considered as the most commonly isolated fungus and the most pathogenic one. Rotting is most noticeable if transit time exceeds 7 days and high incidence of disease may cause premature ripening of the fruits. 5 Howick Place | London | SW1P 1WG. À Ekona, le calibre des fruits et le nombre de feuilles sur les bananiers étaient significativement supérieurs aux deux autres régions, tandis que la gravité de la maladie des raies noires était significativement moindre. Signs of Crown Rot Disease. %���� 4 0 obj <>stream The potential relationship with fruit susceptibility is fully discussed. Most of the commercial varieties of banana are susceptible to crown rot; the disease can cause considerable Crown rot of banana fruits is caused by a complex of fungal pathogens, the most common of which is Colletotrichum musae, and is one of the main quality defects of exported bananas. This was specifically the case in low-altitude plantations where fruit susceptibility was higher for some harvest dates within the rainy season. The standardization of post-inoculation environmental conditions enabled more reliable INS assessments. Blackening of the crown tissue occurs initially at the cut surfaces, but the rot may spread into the crown during transportation. x��]Y�ݶ�~�_�/9��Q3n�'���nk��C[{$K�,�V~� $ U| yo+��9c[W$� PHYSIOLOGICAL DISORDERS Chilling injury. Most of the commercial varieties of banana are susceptible to crown rot; the disease can cause considerable

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