Performance of Varieties of Cauliflower (Brassica Oleracea Var. Botrytis) Under Different Levels of Phosphorus Application in Pot Culture at Lamjung, Nepal

Judicious P fertilizer management is one of the best strategies to increase its yield cauliflower yield in Nepal. A pot experiment was conducted at Lamjung Campus during October, 2018 to February, 2019 to investigate the effect of five levels of soil application of P (0 kg ha-1,100 kg ha-1, 120 kg ha-1, 140 kg ha-1 and 160 kg ha-1) on growth and yield of two cauliflower varieties (Kathmandu Local and Snow Grace). Hence, the experimental design was two factorial Complete Randomized Designs (CRD) with four replications. The result revealed that the soil application of P showed significant effect on all growth and yield attributes of cauliflower cultivars. Values for plant height (28.18 cm), days to curd initiation (76.12 days), number of leaves (18.38), root length (28.76 cm), curd weight (0.750 kg plant-1) and yield ha-1 (27.54 t ha-1) were significantly higher at 160 Kg ha-1 P input and Snow Grace expressed higher curd weight (0.83kg-1 plant) and yield (31.07 t ha-1) at P level of 160 kg ha-1 than other treatments. Varieties and P level interacted significantly for plant height, curd weight and curd yield. It was concluded that application of P (160 kg ha-1) can increase the yield in cauliflower and Snow Grace perform better than Kathmandu Local.

Author(s): Shrestha RK, Tirtha Raj Paudel, Khana A

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