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.
               
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