CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times

The forage cactus Mexican Elephant Ear is widely incorporated into the animal productive chain of the northeast region of Brazil. However, there is a lack of studies on the physiological dynamics of this cactus. Therefore, this study was conducted at the Estação Experimental Prof. Ignácio Salcedo of...

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Main Authors:	Souza, José Thyago Aires, Araújo, Jucilene Silva, Félix, Evaldo dos Santos, Alves, Rita de Cássia, Oliveira Filho, Tarcísio José de, Lira, Elder Cunha de
Format:	Online
Language:	eng
Published:	Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2022
Subjects:	Photosynthetic efficiency Cactus plant Mexican Elephant Ear Gas exchange Forage Eficiencia fotosintética Cactus Oreja de Elefante Mexicano Intercambio de gases Forraje
Online Access:	https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/13525
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author	Souza, José Thyago Aires Araújo, Jucilene Silva Félix, Evaldo dos Santos Alves, Rita de Cássia Oliveira Filho, Tarcísio José de Lira, Elder Cunha de
author_facet	Souza, José Thyago Aires Araújo, Jucilene Silva Félix, Evaldo dos Santos Alves, Rita de Cássia Oliveira Filho, Tarcísio José de Lira, Elder Cunha de
author_sort	Souza, José Thyago Aires
collection	OJS
description	The forage cactus Mexican Elephant Ear is widely incorporated into the animal productive chain of the northeast region of Brazil. However, there is a lack of studies on the physiological dynamics of this cactus. Therefore, this study was conducted at the Estação Experimental Prof. Ignácio Salcedo of the Instituto Nacional do Semiárido (INSA), in Campina Grande, State of Paraíba, Brazil. The aim of this study was to evaluate CO2 uptake and water-use efficiency levels in Opuntia stricta (Haw.) during different seasons and evaluation times. The treatments were distributed using a 24×2 factorial arrangement, which corresponded to the evaluation of gas exchange processes for 24 hours in the rainy (June) and dry (December) seasons. The evaluated parameters were stomatal conductance, transpiration and CO2 uptake rate, internal CO2 concentration, instantaneous water-use efficiency and intrinsic water-use efficiency. The results revealed that gas exchange in the forage cactus was more intense during the rainy season, with good stability, than the low exchange levels during the dry season. Regardless of the season, the CO2 uptake peaked between 24:00 and 02:00. In addition, this range of time is the most suitable to conduct analyses under field conditions.
format	Online
id	oai:oai.revistas.uptc.edu.co:article-13525
institution	Revista Colombiana de Ciencias Hortícolas
language	eng
publishDate	2022
publisher	Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC
record_format	ojs
spelling	oai:oai.revistas.uptc.edu.co:article-135252022-11-10T15:23:11Z CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times Captura de CO2 y eficiencia en el uso de agua en Opuntia stricta (Haw.) para diferentes estaciones y tiempos de evaluación Souza, José Thyago Aires Araújo, Jucilene Silva Félix, Evaldo dos Santos Alves, Rita de Cássia Oliveira Filho, Tarcísio José de Lira, Elder Cunha de Photosynthetic efficiency Cactus plant Mexican Elephant Ear Gas exchange Forage Eficiencia fotosintética Cactus Oreja de Elefante Mexicano Intercambio de gases Forraje The forage cactus Mexican Elephant Ear is widely incorporated into the animal productive chain of the northeast region of Brazil. However, there is a lack of studies on the physiological dynamics of this cactus. Therefore, this study was conducted at the Estação Experimental Prof. Ignácio Salcedo of the Instituto Nacional do Semiárido (INSA), in Campina Grande, State of Paraíba, Brazil. The aim of this study was to evaluate CO2 uptake and water-use efficiency levels in Opuntia stricta (Haw.) during different seasons and evaluation times. The treatments were distributed using a 24×2 factorial arrangement, which corresponded to the evaluation of gas exchange processes for 24 hours in the rainy (June) and dry (December) seasons. The evaluated parameters were stomatal conductance, transpiration and CO2 uptake rate, internal CO2 concentration, instantaneous water-use efficiency and intrinsic water-use efficiency. The results revealed that gas exchange in the forage cactus was more intense during the rainy season, with good stability, than the low exchange levels during the dry season. Regardless of the season, the CO2 uptake peaked between 24:00 and 02:00. In addition, this range of time is the most suitable to conduct analyses under field conditions. El nopal forrajero Oreja de Elefante Mexicano está ampliamente incorporado a la cadena productiva animal de la región noreste de Brasil. Sin embargo, faltan estudios sobre la dinámica fisiológica de este cactus. Por lo anterior, se realizó este estudio en la Estação Experimental Prof. Ignácio Salcedo del Instituto Nacional do Semiárido (INSA), en Campina Grande, estado de Paraíba, Brasil. El objetivo del estudio fue evaluar la absorción de CO2 y los niveles de eficiencia en el uso del agua in Opuntia stricta (Haw.) durante diferentes estaciones e horas de evaluación. Los tratamientos se distribuyeron utilizando un arreglo factorial de 24×2, que correspondió a la evaluación de los procesos de intercambio de gases durante 24 horas en la época de lluvias (junio) y sequía (diciembre). Los parámetros evaluados fueron la conductancia estomática, la tasa de transpiración y absorción de CO2, la concentración interna de CO2, la eficiencia instantánea de uso del agua y la eficiencia intrínseca de uso del agua. Los resultados revelaron que el intercambio de gases en el nopal forrajero son más intensos durante la estación de lluvias, con buena estabilidad, que los bajos niveles de intercambio durante la estación época de sequía. Independientemente de la estación, la absorción de CO2 alcanzó su pico entre las 24:00 y las 2:00. Además, este intervalo de tiempo es el más adecuado para realizar análisis en condiciones de campo. Sociedad Colombiana de Ciencias Hortícolas-SCCH and Universidad Pedagógica y Tecnológica de Colombia-UPTC 2022-05-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Text Texto application/pdf https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/13525 10.17584/rcch.2022v16i2.13525 Revista Colombiana de Ciencias Hortícolas; Vol. 16 No. 2 (2022); e13525 Revista Colombiana de Ciencias Hortícolas; Vol. 16 Núm. 2 (2022); e13525 Revista Colombiana de Ciencias Hortícolas; Vol. 16 No 2 (2022); e13525 Revista Colombiana de Ciencias Hortícolas; V. 16 N. 2 (2022); e13525 Revista Colombiana de Ciencias Hortícolas; v. 16 n. 2 (2022); e13525 2422-3719 2011-2173 eng https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/13525/12123 Brazil; Paraiba; Campina Grande Brasil; Paraiba; Campina Grande Copyright (c) 2022 Revista Colombiana de Ciencias Hortícolas http://creativecommons.org/licenses/by-nc-sa/4.0
spellingShingle	Photosynthetic efficiency Cactus plant Mexican Elephant Ear Gas exchange Forage Eficiencia fotosintética Cactus Oreja de Elefante Mexicano Intercambio de gases Forraje Souza, José Thyago Aires Araújo, Jucilene Silva Félix, Evaldo dos Santos Alves, Rita de Cássia Oliveira Filho, Tarcísio José de Lira, Elder Cunha de CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title	CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title_alt	Captura de CO2 y eficiencia en el uso de agua en Opuntia stricta (Haw.) para diferentes estaciones y tiempos de evaluación
title_full	CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title_fullStr	CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title_full_unstemmed	CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title_short	CO2 capture and water use efficiency in Opuntia stricta (Haw.) at different seasons and evaluation times
title_sort	co2 capture and water use efficiency in opuntia stricta haw at different seasons and evaluation times
topic	Photosynthetic efficiency Cactus plant Mexican Elephant Ear Gas exchange Forage Eficiencia fotosintética Cactus Oreja de Elefante Mexicano Intercambio de gases Forraje
topic_facet	Photosynthetic efficiency Cactus plant Mexican Elephant Ear Gas exchange Forage Eficiencia fotosintética Cactus Oreja de Elefante Mexicano Intercambio de gases Forraje
url	https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/13525
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