By Victor G. Saúco, John C. Robinson
Bananas and plantains are significant fruit vegetation within the tropics and subtropics, creating a very important contribution to the economies of many nations. within the final 15 years, titanic adjustments have happened in banana creation, between them the elevated significance of fungal and viral illnesses and their critical influence on Cavendish export cultivars, smallholder plantains and cooking bananas. alterations in construction platforms comparable to secure greenhouse cultivation, natural, fair-trade and built-in cultivation and their respective certification schemes have additionally turn into sought after. This ebook offers an obtainable evaluate of the clinical rules of banana creation and the way those relate to box practices. This re-creation has elevated insurance of global alternate information and rules, breeding of latest cultivars on the subject of affliction resistance and markets, customers for genetically-modified bananas and the expanding function of endophytes in controlling pests and ailments
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Extra info for Bananas and Plantains
2005). 40 Chapter 2 Conventional breeding This is based on the production of hybrids from seeds obtained after pollination. There are serious limitations using the conventional method with banana since most modern banana cultivars are sterile. The only way of obtaining hybrids is to use primitive varieties with poor agronomic value but which are able to produce seeds. 1% of the seeds are viable. In addition, the process from seed to bunch harvest may take up to 2 years and each plant requires 6 m2 of space in the field, increasing the operational costs of breeding.
The main centre of origin of acuminata types is Malaysia and that of the hybrid types is India. Experimental cultivar comparisons Comprehensive banana cultivar trials involving different genomic groups and ploidy levels were undertaken in Australia by Turner and Hunt (1984) and by Daniells and O’Farrell (1988). The former, in New South Wales, found that AAA bananas of the Cavendish subgroup were the most productive (Fig. 3a). Cultivars from the ABB group used for cooking, yielded only about half that of the Cavendish cultivars.
This continued until 1984 when funding was taken over by FAO (United Nations) for a year and subsequently by USAID (US Agency for International Development) who gave a US$20 million 10year grant to support the programme. Currently, there is still an ongoing conventional banana breeding programme in Honduras operating under FHIA, which is a private body. Other conventional breeding programmes are being conducted in Guadeloupe (Centre de Coopération Internationale en Recherche Agronomique pour le Développement – CIRAD-FHLOR), Brazil (EMBRAPA), Nigeria (IITA) and India.