Background and Objective: Solanum macrocarpon is green leafy vegetable which requires sufficient water especially in its early seedling growth. Water is an abiotic factor which is of utmost important in vegetable crops and its lack or excess may limit plant development.The present study was conducted to assess the effect of watering regime on early seedling growth of Solanum macrocarpon.Materials and Methods: Seedlings were raised from seeds in germination trays, transplanted to plastic pots and subjected to watering at 200 mL (full capacity) everyday (W 1 ), thrice a week (W 2 ), twice a week (W 3 ) and once a week (W 4 ). The growth parameters assessed were leaf area, plant height, stem diameter, leaf number, relative growth rate as well as shoot and root weights. Results: Watering regimes had no significant effect (p<0.05) on growth parameters. Shoot and root weights were highest in seedlings subjected to watering everyday. Furthermore, the highest leaf area, stem diameter and leaf number were obtained in seedlings subjected to watering everyday. However plant height was highest in seedlings watered once a week while the relative growth rate by plant height and leaf area was highest in seedlings watered thrice a week and twice a week respectively. Conclusion: Thus, watering everyday at full capacity per plant is recommended for raising S. macrocarpon seedlings.

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