Understanding banana bunchy top disease epidemiology in Burundi for an enhanced and integrated management approach

Understanding banana bunchy top disease epidemiology in Burundi for an enhanced and integrated management approach

This study on the epidemiology of banana bunchy top disease (BBTD) was carried out in the context of small‐scale farms in Burundi for an integrated management approach. Banana trials were established in farmers’ fields comparing different plot locations, while spatial and seasonal occurrence of aphi...

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Bibliographic Details
Published in:Plant pathology Vol. 62; no. 3; pp. 562 - 570
Main Authors: Niyongere, C., Losenge, T., Ateka, E. M., Ntukamazina, N., Ndayiragije, P., Simbare, A., Cimpaye, P., Nintije, P., Lepoint, P., Blomme, G.
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01-06-2013
Blackwell
Wiley Subscription Services, Inc
Subjects:
aphid
Aphididae
banana bunchy top disease
Biological and medical sciences
climate conditions
Fundamental and applied biological sciences. Psychology
Musa
Phytopathology. Animal pests. Plant and forest protection
plot location
Protozoa. Invertebrates
Burundi
Central Africa
Sub-Saharan Africa
Africa
Monocotyledones
Plant pathology
Disease
Insecta
Tropical zone
plot location
Environmental factor
Climacteric
Physical environment
Epidemiology
Climatic condition
Tropical fruit
banana bunchy top disease
Homoptera
Angiospermae
Aphididae
Localization
Aphidoidea
Plot
Tropical crop
Musaceae
Integrated management
Banana
Musa
Fruit crop
Arthropoda
Spermatophyta
Invertebrata
climate conditions
aphid
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Summary:This study on the epidemiology of banana bunchy top disease (BBTD) was carried out in the context of small‐scale farms in Burundi for an integrated management approach. Banana trials were established in farmers’ fields comparing different plot locations, while spatial and seasonal occurrence of aphid vectors was evaluated at three different altitudes. In addition, serological tests were performed on banana leaf samples to confirm the presence and titre of the virus. The results showed that BBTD incidence varied among banana cultivars and locations. Nine months after plot establishment, BBTD incidence ranged from 21·8% to 56·4% in plots within affected fields, while a range of 0–12·3% was reported in plots located between 5 and 30 m away from affected banana fields. Aphid numbers were highest in the dry season. These aphids were able to acquire and transmit the virus irrespective of altitude. A mean incubation period of 21 and 84 days was observed at low (780 m a.s.l.) and high (2090 m a.s.l.) altitude, respectively. Thus, a holistic approach, taking into account banana cultivar, plot location, disease‐free planting material and regular field sanitation, should be promoted for long‐term BBTD management.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0032-0862
1365-3059
DOI:10.1111/j.1365-3059.2012.02676.x