Growth of mango (Mangifera indica L.) seedlings as influenced by stone treatments.
Venkatarao, Reddy Y. T. N., Srinivas N., Shiragur M.
Author Affiliation: Division of Fruit Science, Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bangalore - 560 089, India.
Journal of Asian Horticulture 2 : 160-165
Abstract : Osmopriming treatments such as soaking of mango stones in gibberellic acid (100, 200 and 300 ppm), potassium nitrate (1, 2 and 3 per cent) and water enhanced the seedling growth and vigour. GA3 at 100 ppm concentration recorded the maximum seedling height (55.34 cm) and girth (0.996 cm) in variety Alphonso and Bappakai, respectively, whereas leaf area was maximum in variety Alphonso with GA3 at 200 ppm concentration. GA3 at 100 ppm concentration recorded the maximum seedling vigour (4154.62) in variety Alphonso, whereas fresh (69.80 g) and dry weight (36.56 g) were maximum in variety Totapuri. GA3 at 100 ppm concentration also recorded the highest bark per cent (24.62) and stem per cent (60.51) in variety Vellaikolumban and Bappakai respectively when compared to other osmopriming treatments. Significant correlations were observed between the growth and vigour of mango seedlings.