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Rupa, T. R.
- Development of allometric equations for grafted sapota (Manilkara zapota) through destructive tree sampling for non-destructive estimation of tree biomass
Abstract Views :109 |
Authors
A. N. Ganeshamurthy
1,
T. R. Rupa
1,
Karusala Alivelu
2,
S. Rajendran
1,
R. H. Laxman
1,
G. Ramanandan
1,
S. Mohapatra
1,
B. Aruna
1
Affiliations
1 Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bengaluru 560 089, IN
2 Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad 500 030, IN
1 Indian Institute of Horticultural Research, Hessaraghatta Lake Post, Bengaluru 560 089, IN
2 Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad 500 030, IN
Source
Current Science, Vol 127, No 10 (2024), Pagination: 1227-1232Abstract
Sapota fruit tree biomass cannot be estimated using general forest tree allometric equations involving measurement of diameter at breast height (DBH) as grafted sapota tree branches below this height. Therefore grafted sapota trees of commercial orchards require an independent allometric equation for nondestructive estimation of tree biomass. Sapota allometric equations were hence developed with a destructive sampling of grafted sapota trees using parameters other than DBH and compared with other equations developed for grafted mangoes. The selected allometric parameters were significantly related to the age of the trees. The root-to-shoot ratio also differed from those reported for forest trees. The biomass expansion factor by and large attained stability beyond 16 years of tree age. The equations so developed generally fitted the data well, and in most cases, more than 50% of the observed variation in biomass was explained by primary branch girth ´ number of primary branches. There was a good agreement between the observed and the predicted biomass using both multiple linear regression and power model equations. Further, our purpose was to see if the grafted mango tree equation can predict sapota tree biomass. The results of this study confirmed that the mango equation equally predicts sapota tree biomass and hence the mango tree allometric equation can also be used for estimating sapota tree biomass efficiently.Keywords
Allometric equation, biomass expansion factor, grafted trees, mango, sapota.Full Text
- Carbon Sequestration Potential of Mango Orchards in the Tropical Hot and Humid Climate of Konkan Region, India
Abstract Views :410 |
PDF Views:170
Authors
Affiliations
1 ICAR- Indian Institute of Horticultural Research, Bengaluru 560 089, IN
1 ICAR- Indian Institute of Horticultural Research, Bengaluru 560 089, IN
Source
Current Science, Vol 116, No 8 (2019), Pagination: 1417-1423Abstract
Cultivated grafted mangoes are not the same as polyembryonic seedling-based wild mangoes in terms of biomass production and carbon sequestration. We estimated the carbon sequestration potential of mangoes in Konkan region, which is a prime mango belt of India producing the popular Alphonso mangoes. Allometric equation developed for grafted mangoes was used to estimate tree biomass. Konkan mango belt spread over 106,210 ha sequesters 9.913 mt of carbon. However, the carbon sequestration potential of these cultivated grafted mangoes is very low compared to polyembryonic seedling-grown mangoes in the wild. Since mangoes in the Konkan region have mostly occupied degraded lands of lateritic origin, such regions have been brought under productive mango orchards. As a consequence where forests have disappeared and mangoes have occupied the region, the carbon sequestered by them is a bonus apart from the production of mangoes. The administrators in these regions must use this information for claiming carbon credits for the benefit of farmers and the local population.Keywords
Carbon Sequestration, Mango Orchards, Soil Carbon Stocks, Tree Biomass.Full Text
References
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- Gupta, M. K., Soil organic carbon pools under different land use in Haridwar district of Uttarakhand. Indian For., 2011, 137(1), 1–8.
- Chhabra, A., Palria, S. and Dadhwal, A. K., Soil organic carbon pools in Indian forests. For. Ecol. Manage., 2003, 173, 187–199.
- Wood database – Mango. 2018; http://www.wood-database.com/mango/
- Carbon Sequestration Potential of Mango Orchards in India
Abstract Views :725 |
PDF Views:189
Authors
Affiliations
1 Indian Institute of Horticultural Research, Bengaluru 560 089, IN
1 Indian Institute of Horticultural Research, Bengaluru 560 089, IN
Source
Current Science, Vol 117, No 12 (2019), Pagination: 2006-2013Abstract
Estimates of carbon stocks and stock changes in fruit orchards are necessary under the United Nations Framework Convention on Climate Change and the Kyoto Protocol. In this direction we estimated the carbon stocks in cultivated mango orchards in India using an exclusive allometric equation developed for estimation of tree biomass of grafted mangoes. Extensive tree, litter, weed and soil samples were collected for estimation of carbon pools by grouping mango areas based on similarity of tree canopy, climate, and dominance of mango varieties grown in these regions. The carbon held in these pools was then compiled and national-level carbon storage in cultivated mango orchards was computed by multiplying with the area occupied by mango in these regions. The country as a whole has sequestered 285.005 mt of carbon in its mango orchards. This is, however, very low compared to polyembrionic mango trees grown from seeds in the wild.Keywords
Allometric Equation, Carbon Sequestration, Mango Orchards, Tree Biomass.Full Text
References
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- Ganeshamurthy, A. N., Annual Report, Indian Institute of Horticultural Research, Bengaluru, India, 2012.
- Gupta, M. K., Soil organic carbon pools under different land use in Haridwar district of Uttarakhand. Indian For., 2011, 137, 1–8.
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- Wood database, 2018; https://www.wood-database.com/mango/