Abstract
Okra is a vegetable that has a lot of antioxidants. Increasing production of okra crops can be done by improving cultivation techniques. One alternative that can be done is shoots pruning with the aim to increase the growth of more shoots and branches. For more growth lateral shoots needed addition plant growth regulator such as IAA and sufficient nutrient availability, especially nitrogen. This research was conducted to study increasing growth and production of pruned okra plants by applying IAA and urea fertilizer, carried out on Medan Selayang District, Medan from July to October 2021, using a Randomized Block Design with 2 factors, the first factor is IAA (0, 90, 120 and 150 mg/L), the second factor is urea fertilizer (200, 250 and 300 kg/ha). Giving IAA up to 58 mg/L concentration, significantly decreased number of leaves, number of fruits and total fruit weight per plant. The best of leaves number, fruits number and total fruit weight per plant was obtained by application 150 mg/L IAA. Giving urea fertilizer 300 kg/ha significantly increase number of fruits and total fruit weight per plant.
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