Debate on the Exploitation of Natural Plant Diversity to Create Late Blight Resistance in Potato

Goverse, Aska; Struik, Paul C.

Debate on the Exploitation of Natural Plant Diversity to Create Late Blight Resistance in Potato

2009

Goverse, Aska | Struik, Paul C.

This paper reports on a debate on intriguing propositions relating to the scientific, agronomic, societal and economic impact of the BIOEXPLOIT project, focusing on late blight resistance in potato. It discusses (i) whether identifying pathogen effectors will facilitate selecting durable R genes, (ii) whether breeding for durable late blight resistance requires deploying Rpi (for Resistance to P hytophthora i nfestans) genes, (iii) whether breeding strategies and cultural practices determine the durability of new resistance genes, (iv) whether marker-assisted breeding for Phytophthora infestans resistance is already in the stage of adoption, (v) to what extent genetically-modified organism technology can advance realizing late-blight resistant potato cultivars, and (vi) whether modifying R genes will result in novel broad spectrum resistance.

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