Studies on the Effects of Foliar Nutrition on the Vegetative Growth, Floral Characters and Essential-Oil Content of Tuberose (Polianthes Tuberosa Linn.) Ii. Floral Characters:

Sixteen foliar sprays at 15 days interval comprising of three levels each of nitrogen through urea (0.80, 1.60 and 2.40 gms.), phosphorus through orthophosphoric acid (0.20, 0.40 and 0.60 gms.) and two levels of potassium through potassium citrate (0.64 and 1.28 gms.) per plant in eighteen treatment combinations were applied onto the plant foliage besides control (Distilled water + wetting agent). The spraying solutions were regulated at pH 5 and teepol (0.1 per cent) was added as wetting agent.

The optimum response on floral characters was obtained at N2 level of nitrogen, P3 level of phosphorus and Kl level of potassium application. The maximum response was, however, obtained under N2 × P3 × Kl combination indicating more efficacy when applied together as compared to their individual effects.