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Proceedings of the International Academy of Ecology and Environmental Sciences, 2023, 13(2): 66-80
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Article

Effect of morphological parameters with relation to the Oleoresin production: A case study from Narendranagar Forest Division, Uttarakhand, India

Dharm Singh Meena1, Akash2, K.R. Sharma3, B.S. Bhandari4
1Bhagirathi Circle, MuniKiReti, Tehri Garhwal, Uttarakhand, India
2Department of Botany, Dhanauri, P.G. College, Haridwar, Uttarakhand, India
3Yashwant Singh Parmar University of Horticulture and Forestry, H.P, India
4HNB Garhwal University, Srinagar, Uttarakhand, India

Received 17 January 2023;Accepted 25 February 2023;Published online 5 March 2023;Published 1 June 2023
IAEES

Abstract
Pinus roxburghii is one of the most important tree species used for resin tapping and for commercial purpose in Uttarkhand. The present study aim to investigate the relationship of Oleoresin production with morphological parameters. We have divided the three Oleoresin yield classes, i.e., high resin yielders (HRY's), medium resin yielders (MRY's) and low resin yielders (LRY's). The production potential of Oleoresin showed tends to increase with the various morphological parameters like diameter at breast height, number of bore holes. At the same time, bark thickness, tree needle length along with the thickness and colour of needle also has been tested which showed the positive correlation with the Oleoresin production. Further we have recorded significant differences in the diameter ranges 40-50 (12.99 ltr. = HRY'S, 28.30 ltr. in MRY'S and 7.27 ltr. in LRY'S) and 50-60 (10.82 ltr. = HRY'S, 3.2 ltr. in MRY'S and 6.05 ltr. in LRY'S) with maximum yield of Oleoresin in Chir pine. ANOVA showed that Oleoresin production vary significantly in all the categories of Oleoresin production (P<0.05) with respective to the different diameter ranges along with the bark thickness, needle length and colour.

Keywords Oleoresin;morphological parameters;Narendranagar Forest Division;diameter.


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