Effect of different pre sowing treatments on germination and seedling growth of walnut (Juglans regia L.)
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Date
2016-07
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College of Horticulture, Bharsar Campus, V.C.S.G. Uttarakhand University of Horticulture and Forestry
Abstract
The present investigations entitled “Effect of different pre sowing treatments on seed
germination and seedling growth of walnut (Juglans regia L.)” was carried out in the poly house of
Fruit Nursery, College of Horticulture, VCSG, UUHF, Bharsar (Uttarakhand) during the year
2015-16. In this study walnut seeds were treated with different pre sowing treatments and planted
in Randomized Complete Block Design with three replications and were assessed to know the
effect of different pre sowing treatments on seed germination and seedling growth.
The results obtained in the present studies showed that among different pre sowing
treatments, the best results in terms of shoot height, shoot diameter, number of leaves per plant,
root length, root area, shoot fresh weight, root fresh weight, total fresh weight and survival
percentage were obtained with T14 (Hot water + gibberellic acid @ 500 ppm + stratification for 30
days). The maximum germination percentage was recorded with T11 (Cracking + gibberellic acid
@ 500 ppm + stratification for 30 days) while the minimum days taken for germination were
recorded with T12 (Cracking + gibberellic acid @ 750 ppm + stratification for 30 days).
Thus, the combination of different pre sowing treatments was found effective in improving
the germination and growth of walnut seedlings and the best treatment was T14 (hot water +
gibberellic acid @ 500 ppm + stratification for 30 days) which was highly effective in improving
the overall growth of walnut seedlings.
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