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Farmers’ Perception and Impact of Rice Yellow Mottle Disease on Rice Yields in Burkina Faso

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DOI: 10.4236/as.2015.69091    3,770 Downloads   4,272 Views   Citations

ABSTRACT

Rice improvement for disease resistance has scarcely involved farmers’ knowledge in Sub-Saharan Africa. A participatory rural appraisal was conducted in two main rice cultivation areas in Burkina Faso to assess farmers’ awareness of rice production constraints with emphasis on rice yellow mottle disease (RYMD) and its management. Farmers’ preference for rice varieties to be used in the breeding program was also assessed. Major concerns for rice cultivation as perceived by farmers were water shortage and RYMD. However, relative importance of each constraint depended on the survey areas, RYMD being prominent at Banzon while water shortage predominated at Mogtedo. Mogtedo farmers preferred rice variety FKR19 because of its tolerance to drought. At Banzon, farmers’ first criterion was taste which was reflected in the choice of variety FKR18. Yield was also a major criterion in both areas, positioning NERICA varieties FKR56N, FKR62N, and FKR60N among the top preferred varieties. Farmers mentioned RYMD as the most important rice disease. Most farmers used varietal shifts or pesticide treatments for RYMD management. RYMD incidence reached 28% in average at Banzon over the 2012-2013 main growing seasons. In rice varieties FKR56N, FKR62N and TS2, diseased plants yielded 79.3% less than the healthy ones. Accordingly, based on disease incidence, overall yield loss in the study area was estimated at 22.3%. Altogether, rice production can be significantly increased by taking RYMD into account in a participatory rice breeding strategy.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

E. Traoré, V. , Néya, B. , Camara, M. , Gracen, V. , Offei, S. and Traoré, O. (2015) Farmers’ Perception and Impact of Rice Yellow Mottle Disease on Rice Yields in Burkina Faso. Agricultural Sciences, 6, 943-952. doi: 10.4236/as.2015.69091.

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