The quest for greater return on investment at short time is a recurring concern of the rubber industry. Early reverse tapping could be an option to this concern. It is therefore to verify this hypothesis that five different stages of initiation of upward tapping, 6th, 7th, 8th, 9th year and the control in 10th year, with application of 2.5 and 5% ethephon was conducted for eight years in the South-East (Bettié) and the Centre-West (Gagnoa) of Côte d'Ivoire. Irrespective of the ethephon concentration used, average yield obtained from upward tapping at 6th year was 3012 ± 516 kg ha-1 y-1 against 2528 kg ha-1 y-1 in the control, where controlled upward tapping started at 10th year with a productivity gain of 19%. The mean annual increase in circumference in the upward tapped trees at 6th year, was 3.02 ± 0.18 cm y-1 and statistically higher than that of the control treatment (2.40 cm y-1). Physiological profiles improved during the experiment, regardless of site and of periods of upward tapping. Generally, the sensitivity to panel dryness in the control is more pronounced than that of early upward tapping. Our results suggest very early upward tapping at 6th year after the 5 years of downward tapping, is the best period to harvest latex from the high tapping panel.
| Published in | American Journal of BioScience (Volume 9, Issue 1) |
| DOI | 10.11648/j.ajbio.20210901.14 |
| Page(s) | 25-33 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Early Upward Tapping, Rubber Productivity, Radial Vegetative Growth, Physiological Profile, Panel Dryness Sensitivity
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APA Style
Obouayeba Samuel, Soumahin Eric Francis, Lacote Regis, Essehi Jean Lopez, Gohet Eric, et al. (2021). Improvement of Productivity of the Moderate Metabolism Clone GT 1 of Hevea Brasiliensis Muell. Arg. by Early Upward Tapping in Côte d'Ivoire. American Journal of BioScience, 9(1), 25-33. https://doi.org/10.11648/j.ajbio.20210901.14
ACS Style
Obouayeba Samuel; Soumahin Eric Francis; Lacote Regis; Essehi Jean Lopez; Gohet Eric, et al. Improvement of Productivity of the Moderate Metabolism Clone GT 1 of Hevea Brasiliensis Muell. Arg. by Early Upward Tapping in Côte d'Ivoire. Am. J. BioScience 2021, 9(1), 25-33. doi: 10.11648/j.ajbio.20210901.14
AMA Style
Obouayeba Samuel, Soumahin Eric Francis, Lacote Regis, Essehi Jean Lopez, Gohet Eric, et al. Improvement of Productivity of the Moderate Metabolism Clone GT 1 of Hevea Brasiliensis Muell. Arg. by Early Upward Tapping in Côte d'Ivoire. Am J BioScience. 2021;9(1):25-33. doi: 10.11648/j.ajbio.20210901.14
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Download@article{10.11648/j.ajbio.20210901.14,
author = {Obouayeba Samuel and Soumahin Eric Francis and Lacote Regis and Essehi Jean Lopez and Gohet Eric and Obouayeba Abba Pacome},
title = {Improvement of Productivity of the Moderate Metabolism Clone GT 1 of Hevea Brasiliensis Muell. Arg. by Early Upward Tapping in Côte d'Ivoire},
journal = {American Journal of BioScience},
volume = {9},
number = {1},
pages = {25-33},
doi = {10.11648/j.ajbio.20210901.14},
url = {https://doi.org/10.11648/j.ajbio.20210901.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20210901.14},
abstract = {The quest for greater return on investment at short time is a recurring concern of the rubber industry. Early reverse tapping could be an option to this concern. It is therefore to verify this hypothesis that five different stages of initiation of upward tapping, 6th, 7th, 8th, 9th year and the control in 10th year, with application of 2.5 and 5% ethephon was conducted for eight years in the South-East (Bettié) and the Centre-West (Gagnoa) of Côte d'Ivoire. Irrespective of the ethephon concentration used, average yield obtained from upward tapping at 6th year was 3012 ± 516 kg ha-1 y-1 against 2528 kg ha-1 y-1 in the control, where controlled upward tapping started at 10th year with a productivity gain of 19%. The mean annual increase in circumference in the upward tapped trees at 6th year, was 3.02 ± 0.18 cm y-1 and statistically higher than that of the control treatment (2.40 cm y-1). Physiological profiles improved during the experiment, regardless of site and of periods of upward tapping. Generally, the sensitivity to panel dryness in the control is more pronounced than that of early upward tapping. Our results suggest very early upward tapping at 6th year after the 5 years of downward tapping, is the best period to harvest latex from the high tapping panel.},
year = {2021}
}
TY - JOUR T1 - Improvement of Productivity of the Moderate Metabolism Clone GT 1 of Hevea Brasiliensis Muell. Arg. by Early Upward Tapping in Côte d'Ivoire AU - Obouayeba Samuel AU - Soumahin Eric Francis AU - Lacote Regis AU - Essehi Jean Lopez AU - Gohet Eric AU - Obouayeba Abba Pacome Y1 - 2021/02/10 PY - 2021 N1 - https://doi.org/10.11648/j.ajbio.20210901.14 DO - 10.11648/j.ajbio.20210901.14 T2 - American Journal of BioScience JF - American Journal of BioScience JO - American Journal of BioScience SP - 25 EP - 33 PB - Science Publishing Group SN - 2330-0167 UR - https://doi.org/10.11648/j.ajbio.20210901.14 AB - The quest for greater return on investment at short time is a recurring concern of the rubber industry. Early reverse tapping could be an option to this concern. It is therefore to verify this hypothesis that five different stages of initiation of upward tapping, 6th, 7th, 8th, 9th year and the control in 10th year, with application of 2.5 and 5% ethephon was conducted for eight years in the South-East (Bettié) and the Centre-West (Gagnoa) of Côte d'Ivoire. Irrespective of the ethephon concentration used, average yield obtained from upward tapping at 6th year was 3012 ± 516 kg ha-1 y-1 against 2528 kg ha-1 y-1 in the control, where controlled upward tapping started at 10th year with a productivity gain of 19%. The mean annual increase in circumference in the upward tapped trees at 6th year, was 3.02 ± 0.18 cm y-1 and statistically higher than that of the control treatment (2.40 cm y-1). Physiological profiles improved during the experiment, regardless of site and of periods of upward tapping. Generally, the sensitivity to panel dryness in the control is more pronounced than that of early upward tapping. Our results suggest very early upward tapping at 6th year after the 5 years of downward tapping, is the best period to harvest latex from the high tapping panel. VL - 9 IS - 1 ER -
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