Author(s):

Dilpreet Singh, Balwinder Singh Dhillon and Vikram Limba

Abstract: A field experiment was conducted at Research Farm, College of Agriculture, Guru Kashi University, Talwandi Sabo, Bathinda to study the different levels of phosphorus and PSB seed inoculation on growth and yield of mungbean during kharif season in 2019 and 2020. The trial was laid out in split plot design with two levels of PSB (control and seed inoculation with PSB) in main plots and four phosphorus levels (0, 20, 40 and 60 kg/ha) in sub plots, replicated thrice. The seed inoculation with PSB and phosphorus @ 60 kg/ha recorded significantly higher plant height, leaf area index, dry matter accumulation/plant, number of branches/ plant, number of pods/plant, number seeds/pod, number of nodules/plant, seed yield, haulm yield and biological yield than other treatments. Phosphorus @ 60 kg/ha resulted in 43.73% higher seed yield than 0 kg/ha (control). Dry matter accumulation/ plant, number of branches/ plant, number of nodule/ plant, number of pods /plant, were recorded significantly higher in seed inoculation with PSB and phosphorus 60kg/ha but it was statistically at par with the application of phosphorus 40 kg/ha. The application of phosphorus @ 60 kg/ha resulted in 43.73, 21.79 and 0.8% higher seed yield than 0, 20 and 40 kg/ha, respectively.

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