Brazil: Banana varieties sent by Embrapa arrive in Costa Rica

Published 2021년 11월 19일

Tridge summary

To mark the 50th anniversary of Costa Rica's banana regulator, Corbana, a shipment of improved banana diploids from Brazil's Embrapa Cassava e Fruticultura has been sent to Costa Rica. This is part of a project aimed at developing Cavendish bananas with resistance to the destructive Fusarium wilt disease, caused by race 4 Tropical of the fungus Fusarium oxysporum f.sp. cubense. The project, funded by Corbana, also includes the Apple BRS Princesa banana tree, resistant to Fusarium race 1, for commercial validation in Costa Rica. Embrapa is also testing these diploids in Australia and Colombia, with plans to take other genotypes to Colombia subject to authorization. The research is aimed at developing resistant commercial cultivars, particularly the Prata type, the most planted in Brazil.

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Original content

On Wednesday (17), the day the Corporación Nacional Bananera (Corbana), the official banana regulator in Costa Rica, turned 50, the improved banana diploids – ancestral relatives of current varieties – sent by Embrapa Cassava e Fruticultura (Cruz das Almas, BA) arrived at the institution. The action is part of the joint project to improve Cavendish bananas for resistance to race 4 Tropical of the fungus Fusarium oxysporum f.sp. cubense (FOC R4T), responsible for the Fusarium wilt disease, the most destructive of the crop and still without definitive control. The project is financed with resources from Corbana and has a duration of five years in its first phase. “Our diploids will be used in breeding schemes in Costa Rica, aiming to obtain seeds with Cavendish genetic base, which, after in vitro cultivation of the embryos, will give rise to plants/progenies, which will be evaluated for their agronomic and market potential, in addition to the challenge in the presence of R4T”, says ...

Source: Embrapa