What question did this study set out to answer?

To evaluate rice varieties for resistance against the white-backed planthopper through various assessments.

March 8, 2026PlantsOpen Access

Screening and Evaluation of Rice to Assess Antibiosis and Antixenosis Resistance to White-Backed Planthopper (Sogatella furcifera)

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Evaluation shows improved pest management in rice varieties, highlighting genetic factors and physiological responses related to antibiosis.

To evaluate rice varieties for resistance against the white-backed planthopper through various assessments.
Utilized honeydew drop method to gauge planthopper feeding behavior.
Conducted genetic analysis and assessed physiological and chemical traits in rice varieties.
Analyzed gene expression related to resistance in selected rice genotypes.
Identified resistant rice shown by larger honeydew drop areas and fewer probing events.
Found increased trichome density in resistant genotypes, indicating structural defenses.
Confirmed PR10a gene upregulation, suggesting a molecular basis for resistance.

Roddee et al. (2026) studied this question.

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Evaluation shows improved pest management in rice varieties, highlighting genetic factors and physiological responses related to antibiosis.