Rajat Awasthi, Ashok Kumar, Rajeev Kumar, Anil Kumar, Sugreev Kumar Maurya, Chaman Singh, Dharmendra Kumar, Dashrath Singh and AK Bharti

To examine the effect of seed priming on growth, seed yield and vigour of French bean(Phaseolus vulgaris L.) under organic condition, results revealed that the application of priming with 1% KNO₃ for 12 hours recorded significantly highest plant height (36.59cm), number of primary branches per plant (4.63), number of secondary branches per plant (7.69 cm), pod length (11.48 cm), number of pods per plant (35.45), number of seeds per pod (7.13), seed yield per plant (13.10 g), seed yield (18.43 q ha^-1), 100 seed weight (38.13 g), germination percentage (87.91%), root length (14.83 cm), shoot length (19.57 cm.) and seed vigour index (3024.10),respectively in comparison to other treatments while, the lowest plant height, number of primary branches per plant, number of secondary branches per plant, pod length, number of pods per plant, number of seeds per pod, seed yield per plant, seed yield, 100 seed weight, germination percentage, root length , shoot length and seed vigour index (29.34 cm, 3.70, 5.19, 8.07cm, 27.52, 4.95, 9.56 g, 11.08 q ha^-1, 32.59 g, 82.80%, 8.68 cm, 13.47 cm and 1834.02, respectively) were recorded in control.

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