Research Article
Hydropriming with pili nut (Canarium ovatum Engl.) leaf extracts enhances germinability, seedling vigor, and stress tolerance of three indigenous rice cultivars (Oryza sativa L.) from Catanduanes, Philippines
data/articles.php. Abstract
Seed priming with plant-derived extracts is a cost-effective enhancement technology for smallholder rice farmers. This study evaluated three Catanduanes heritage rice landraces hydroprimed with four concentrations of aqueous pili nut leaf extract. A 5% concentration produced optimal enhancement across cultivars, while salt stress treatments completely suppressed germination. The study provides a germinability baseline for these Catanduanes landraces and an initial assessment of Canarium ovatum leaf extract as a phytochemical priming agent.
Keywords
- Oryza sativa
- seed priming
- hydropriming
- Canarium ovatum
- indigenous rice landraces
- germination index
- vigor index
- salt stress tolerance
- Catanduanes Island
How to cite
Maria Ayna Renze B. Silva, Estrella T. Tribiana & Ma. Luz A. Floralde (2026). Hydropriming with pili nut (Canarium ovatum Engl.) leaf extracts enhances germinability, seedling vigor, and stress tolerance of three indigenous rice cultivars (Oryza sativa L.) from Catanduanes, Philippines. Journal of Biodiversity, Climate Change and Sustainable Development, 11(1), 11–22.