Download Banana systems in the humid highlands of sub-Saharan Africa: by G. Blomme, B. Vanlauwe, Piet van Asten PDF

By G. Blomme, B. Vanlauwe, Piet van Asten

This e-book addresses concerns relating to intensification of banana-based cropping platforms within the (sub)humid highland components of Africa. the knowledge that's awarded within the 28 chapters of the publication relies on examine performed within the nice Lakes area through CIALCA (Consortium for bettering Agriculture-based Livelihoods in imperative Africa) and companions, and is prepared in six sections: banana germplasm (part 1), leading edge seed structures (part 2), pests and illnesses (part 3), cropping structures (part 4), postharvest use and food (part 5), and know-how adoption and dissemination of information (part 6). This ebook presents a worthwhile source for researchers, improvement actors, scholars and coverage makers in agricultural structures and economics and in overseas improvement. It highlights and addresses key demanding situations and possibilities that exist in preserving and enhancing the very important buffer functionality that bananas offer within the agricultural platforms of the humid highlands of sub-Saharan Africa. on hand In Print

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2008) that high dominance, with much of the richness held at low frequency, signals a management strategy for diversity maintained as an insurance to meet future environmental changes, social and economic needs. In contrast, an even frequency distribution of cultivars shows that farmers are selecting cultivars to meet a diversity of specific current needs and purposes. Dyke (2008) argues that when a community is dominated by only one or a few species, it may be that the rarer species are at risk of disappearing from the site.

Vertical bars are jackknife standard errors. 1). This suggests that only a small portion of the 92 cultivars were uniformly spread. Some of the 68 cultivars with a low Gini–Simpson index, especially those with little country-specific importance and with low cultural significance, are at a great risk of genetic erosion. These findings have important implications for conservation. e. , 2008). It is further argued Musa Germplasm Status across Agro-ecological Zones by Jarvis et al. (2008) that high dominance, with much of the richness held at low frequency, signals a management strategy for diversity maintained as an insurance to meet future environmental changes, social and economic needs.

Karamura, Kampala, Uganda, 2011, personal communication). 3 Cultivar distribution by use Beer cultivars generally dominate the Musa landscape in the study regions, except in North Kivu (see Fig. 3). In Rwanda, beer cultivars occupy about 67% of the banana landscape, followed by cooking cultivars (»22%), dessert bananas (»10%) and plantains, which cover only a meagre 1%. In Burundi, beer cultivars occupy about 57%, of the Musa landscape, cooking cultivars about 38%, dessert cultivars about 4% and plantains are absent.

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