Effects of Seed Soaking in Cucumber and Carrot Aqueous Extract on Germination and Vigor of Rice Seeds
DOI:
https://doi.org/10.65411/rst.2026.263551Keywords:
Seed soaking, Cucumber aqueous extract, Carrot aqueous extract, RD 49 rice varietyAbstract
Rice seed production in Thailand faces problems related to poor seed quality, resulting in yields not meeting farmers' expectations. This research studies the effects of soaking rice seeds in cucumber and carrot extracts prior to planting on their germination and vigor qualities. The hypothesis for this pre-treatment is that the technique could enhance seeding growth and increase their average yield. The rice seed variety tested was RD49. The experiment consisted of eight treatments: (1) no soaking, (2) soaking in distilled water, (3) soaking in 10% cucumber aqueous extract, (4) soaking in 20% cucumber aqueous extract, (5) soaking in 30% cucumber aqueous extract, (6) soaking in 10% carrot aqueous extract, (7) soaking in 20% carrot aqueous extract, and (8) soaking in 30% carrot aqueous extract. The results showed no statistical differences in terms of germination percentage among eight seed soaking treatments. However, soaking in 20% cucumber aqueous extract (treatment 4) improved seed vigor. The seedling growth rate (8.83 mg/plant) under this treatment was higher than that of treatments (1) and (2), in which the seeds underwent no treatment and were soaked in distilled water. Seedling growth, measured in terms of plant length (7.52 cm) and root length (8.52 cm), was highest in treatment (4) compared with all other treatments (1-3 and 5-8).
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