Overwhelming late blight resistance in Solanum chacoense, Solanum sparsipilum and potato cultivar Kufri Girdhari: Hypersensitive response and a phenomenon of infected leaf shed, pivotal for resistance among the wild potato species

•The study identifies wild potato genotypes, AC1 of Solanum chacoense and AC4 of Solanum sparsipilum, and cultivar, Kufri Girdhari of Solanum tuberosum as highly resistant to late blight disease.•At field level, resistant genotypes AC4 and AC1 exhibit a novel mechanism of shedding infected leaves wi...

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