Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO2 on the Morphology of Basil (Ocimum basilicum L.)

Temporal and spatial variations in ozone levels and temporal changes in solar radiation greatly influence ultraviolet radiation incidence to crops throughout their growth, yet the interactive effects of CO2 and UV-B radiation on Basil production under sunlight environmental co...

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Autores principales:	T. Casey Barickman, Skyler Brazel, Akanksha Sehgal, C. Hunt Walne, Wei Gao, K. Raja Reddy
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	root surface area root dry mass plant height specific leaf area epicuticular wax Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/518a0a3e15be465b8510d15f1f02f7e3
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spelling	oai:doaj.org-article:518a0a3e15be465b8510d15f1f02f7e32021-11-25T17:47:29ZIndividual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)10.3390/horticulturae71104742311-7524https://doaj.org/article/518a0a3e15be465b8510d15f1f02f7e32021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/474https://doaj.org/toc/2311-7524Temporal and spatial variations in ozone levels and temporal changes in solar radiation greatly influence ultraviolet radiation incidence to crops throughout their growth, yet the interactive effects of CO<sub>2</sub> and UV-B radiation on Basil production under sunlight environmental conditions has not been studied. Basil ‘Genovese’ plants grown under sunlit plant growth chambers were subjected to a combination of supplemental UV-B (0 and 10 kJ m<sup>−2</sup>d<sup>−1</sup>) and ambient (420 ppm) and elevated (720 ppm) CO<sub>2</sub> treatments for 38 days after 14 days of germination. UV-B radiation treatments caused a decrease in basil stem branching, fresh mass, and stem dry mass under both CO<sub>2</sub> treatments when harvested after 17 and 38 days of treatment. There was also an increase in basil leaf surface wax under UV-B (10 kJ m<sup>−2</sup>d<sup>−1</sup>) treatment compared to controls (0 kJ m<sup>−2</sup>d<sup>−1</sup>). Elevated CO<sub>2</sub> treatments caused a decrease in morphological features, including specific leaf area and fresh mass. Interactive effects between UV-B and CO<sub>2</sub> treatments existed for some morphological features, including plant height, root surface area, and average root diameter. Understanding the impacts that CO<sub>2</sub> and UV-B radiation treatments have on basilcan improve existing varieties for increased tolerance while simultaneously improving yield, plant morphology, and physiology.T. Casey BarickmanSkyler BrazelAkanksha SehgalC. Hunt WalneWei GaoK. Raja ReddyMDPI AGarticleroot surface arearoot dry massplant heightspecific leaf areaepicuticular waxPlant cultureSB1-1110ENHorticulturae, Vol 7, Iss 474, p 474 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	root surface area root dry mass plant height specific leaf area epicuticular wax Plant culture SB1-1110
spellingShingle	root surface area root dry mass plant height specific leaf area epicuticular wax Plant culture SB1-1110 T. Casey Barickman Skyler Brazel Akanksha Sehgal C. Hunt Walne Wei Gao K. Raja Reddy Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
description	Temporal and spatial variations in ozone levels and temporal changes in solar radiation greatly influence ultraviolet radiation incidence to crops throughout their growth, yet the interactive effects of CO<sub>2</sub> and UV-B radiation on Basil production under sunlight environmental conditions has not been studied. Basil ‘Genovese’ plants grown under sunlit plant growth chambers were subjected to a combination of supplemental UV-B (0 and 10 kJ m<sup>−2</sup>d<sup>−1</sup>) and ambient (420 ppm) and elevated (720 ppm) CO<sub>2</sub> treatments for 38 days after 14 days of germination. UV-B radiation treatments caused a decrease in basil stem branching, fresh mass, and stem dry mass under both CO<sub>2</sub> treatments when harvested after 17 and 38 days of treatment. There was also an increase in basil leaf surface wax under UV-B (10 kJ m<sup>−2</sup>d<sup>−1</sup>) treatment compared to controls (0 kJ m<sup>−2</sup>d<sup>−1</sup>). Elevated CO<sub>2</sub> treatments caused a decrease in morphological features, including specific leaf area and fresh mass. Interactive effects between UV-B and CO<sub>2</sub> treatments existed for some morphological features, including plant height, root surface area, and average root diameter. Understanding the impacts that CO<sub>2</sub> and UV-B radiation treatments have on basilcan improve existing varieties for increased tolerance while simultaneously improving yield, plant morphology, and physiology.
format	article
author	T. Casey Barickman Skyler Brazel Akanksha Sehgal C. Hunt Walne Wei Gao K. Raja Reddy
author_facet	T. Casey Barickman Skyler Brazel Akanksha Sehgal C. Hunt Walne Wei Gao K. Raja Reddy
author_sort	T. Casey Barickman
title	Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
title_short	Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
title_full	Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
title_fullStr	Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
title_full_unstemmed	Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)
title_sort	individual and interactive temporal implications of uv-b radiation and elevated co<sub>2</sub> on the morphology of basil (<i>ocimum basilicum</i> l.)
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/518a0a3e15be465b8510d15f1f02f7e3
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Individual and Interactive Temporal Implications of UV-B Radiation and Elevated CO<sub>2</sub> on the Morphology of Basil (<i>Ocimum basilicum</i> L.)

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