Project

The genetic basis of resistance to Panama disease in banana (PANAMA DISEASE PhD project 2)

This PhD project will be screening a global collection of locally grown banana/plantain genotypes to TR4. We will use cv. Pahang as a case study to further identify and study resistant germplasm in conjunction with regional breeding programs. We will uncover and map the genetic basis of resistance, which enables breeders to incorporate and deploy valuable genes for resistance to Foc in locally adapted germplasm for South East Asia, Africa, Central and Latin America.

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Throughout history, few plant disease epidemics have devastated production of an agricultural commodity as severely as Panama disease, i.e. Fusarium wilt, of banana. The disease is caused by the soil-borne fungus Fusarium oxysporum f. sp. cubense (Foc). In contrast to black Sigatoka, the other fungal threat of banana, Foc cannot be controlled with fungicides and produces infectious spores that survive in soil for decades.

Currently there is a new outbreak of Panama disease that is caused by the so-called Tropical Race 4 (TR4). This new vicious race of Panama disease is extremely virulent, widely infecting banana germplasm destined for domestic and international markets, including Cavendish, and spreads rapidly in South East Asia. Therefore, the international research and policymaking community on bananas has been alarmed and is calling for concerted action to control this disease. In this INREF consortium research institutes, representatives of different types of growers and international policy-related banana networks work together, convinced that control of Panama disease requires concerted action.

Unpack the relation between the nature of Panama disease and the possible mechanisms for control. The program aims to develop a multi-dimensional and integrative research approach for this. The research will combine a focus on single dimensions, i.e. biology, environment and human, with integrative research problems targeting the issue of disease control. At the global level this leads to characterizing and analyzing the diversity in the fungus, banana germplasm and agro-ecological conditions, which links with insights in global agro-food networks and international/national regulation.

INREF is the development oriented Interdisciplinary Research & Education Fund of Wageningen University. The project ‘Panama Disease in Banana: Multi level solutions for a global Problem’ is lead by Dr. Gert H.J. Kema from Wageningen UR Plant Research International and was granted research funding in 2012

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