The experiment was carried out in vegetable Research Farm Department of Horticulture College of Agriculture, Allahabad Agricultural Institute, Sam Higginbottom institute of Agriculture, Technology and sciences, Deemed-to-be university Allahabad (U.P.) during Rabi 2008 to evaluate the effect of Naphthalene Acetic Acid on Growth and Yield of Radish (Raphanus sativus L.). The treatment consisted of three radish varieties i.e., Pusa Desi, Pusa Himani & Pusa Chetki with four concentrations of NAA viz., 0 ppm, 25 ppm, 50 ppm and 75 ppm. Thus 12 treatments combination were replicated three times in factorial randomized block design. The interaction between varieties and NAA concentration significantly influenced the number of leaves per plant, length of root per plant and leaf and root weight per plant. Therefore, the maximum number of leaves, length of roots, leaves, root weight and yield (490.73 q/ha) were found in Pusa Himani with 50 ppm NAA combination. The net return and benefit cost ratio was recorded up to Rs. 2373/ha and 1.92, respectively.

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