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Resistance and tolerance to the brown planthopper, Nilaparvata lugens (Stål), in rice infested at different growth stages across a gradient of nitrogen applications

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Highlights • IR62 planthopper resistance increased but tolerance decreased from pre- to late-tillering stages.• Planthopper tolerance in the susceptible IR22 increased from pre-tillering to tillering stages.• High nitrogen decreased resistance… Click to show full abstract

Highlights • IR62 planthopper resistance increased but tolerance decreased from pre- to late-tillering stages.• Planthopper tolerance in the susceptible IR22 increased from pre-tillering to tillering stages.• High nitrogen decreased resistance of IR62 in the greenhouse but not in field plots.• High nitrogen increased tolerance in IR62, but IR22 was more heavily damaged.

Keywords: nitrogen; tolerance; resistance tolerance; resistance; tolerance brown; brown planthopper

Journal Title: Field Crops Research
Year Published: 2018

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