Effect of seed priming and foliar spray on grain and fodder yield of Rabi sorghum

Experiment was carried out to study the effect of seed priming and foliar spray on grain and fodder yield of rabi sorghum. The thousand grains weight (g) of rabi sorghum was significantly higher with seeds primed with KNO3 @ 0.5% for 10–12 hrs (34.13 g) as compared to other seed priming treatments. The seeds primed with KNO3 @ 0.5% for 10–12 hrs recorded significantly highest grain (2657 kg ha−1), fodder yield (6451 kg ha−1) and biological yield (9108 kg ha−1) as compared to other treatments and it was at par with seeds primed with KH2PO4 @ 0.5% for 1012 in respect of grain yield (2588 kg ha−1). The thousand grains weight (g) of rabi sorghum was produced significantly higher with foliar spray of KNO3 @ 2% at 55 days after sowing (30.66 g) as compared to other foliar sprays. The foliar spray of KNO3 @ 2% at 55 days after sowing significantly produced higher grain (2559 kg ha−1) and fodder yield (5616 kg ha−1) as compared to other foliar spray. The percentage grain yield increase over control was 13.08, whereas additional grain yield increase was 310 (kg ha−1) over control.