Effect of nitrogen and phosphorus on flowering and yield of gaillardia (Gaillardia pulchella Foug.) CV. Local yellow under Jhalawar condition

Abstract

The studies were carried out to study the effect of nitrogen and Phosphorus on flowering and yield of Gaillardia (Gaillardia pulchella Foug.) cv. Local Yellow under Jhalawar condition. The experiment consisting 16 treatments combination with two factors i.e. nitrogen with four levels (control, 100 kg ha-1, 200 kg ha-1 and 300 kg ha-1) and phosphorus with four levels (control, 100 kg ha-1, 200 kg ha-1 and 300 kg ha-1) in Factorial Randomized Block Design with three replications. The individual application of nitrogen treatment N3 (N 300 kg ha-1) Earliest first flower opening (60.93 days), Earliest 50% flowering (91.26 days), maximum flower diameter (6.67 cm), maximum number of flower per plant (111.67), maximum weight of flower per plant (0.437 kg), number of flower per plot maximum (2615.83), maximum weight of flower per plot (11.53 kg), maximum flower yield (121.25 q/ha). The individual application of phosphorus treatment P3 (P 300 kg ha-1) recorded minimum (63.25 days) to first flower opening, earliest (95.25 days) 50% flowering, maximum flower diameter (6.56 cm), flowers per plant (108.83), weight of flower per plant (0.446 kg), number of flower per plot (2574.83), flower weight per plot (10.78 kg) and flower yield (115.08 q/ha).