№ lp_2_1_05132
Scientific report documenting the first confirmed occurrence of rice yellowing syndrome in the Philippines, detailing virological findings, field observations, historical background, and institutional response.
Date: 21 May 2025
Location: Santa Cruz, Laguna, Philippines
Organization: International Rice Research Institute (IRRI)
Lead Scientist: Dr. Van Schepler-Luu
Contributing Scientist: Dr. Gilda Jonson
Collaborating Institutions: Department of Agriculture – Regional Crop Protection Center (RCPC); Sta. Cruz Municipal Agriculture Office
Subject: First documented case of rice yellowing syndrome in the Philippines
Viruses Identified: Rice Grassy Stunt Virus (RGSV); Rice Ragged Stunt Virus (RRSV)
Rice Variety Affected: LAV666 (Jackpot 102)
Diagnostic Methods: RT-PCR; ELISA; PCR
Vector: Brown planthopper (Nilaparvata lugens)
Reported Impact: Severe yield reduction (16 cavans vs. expected 200 cavans)
Historical Reference: Yellowing syndrome first reported in Mekong Delta, Vietnam, 1989
Citation: Jonson, G. and Schepler-Luu, V. (2025). IRRI identifies the first case of rice yellowing syndrome in the Philippines. Zenodo. https://doi.org/10.5281/zenodo.15479438
License: CC-BY
Price: 8 / 10 USD
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