Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132227
Research center of Embrapa/Collection: Embrapa Semiárido - Artigo em periódico indexado (ALICE)
Date Issued: 2021
Type of Material: Artigo em periódico indexado (ALICE)
Authors: BARROS, J. R. A.
GUIMARÃES, M. J. M
SILVA, R. M. e
SIMOES, W. L.
MELO, N. F. de
ANGELOTTI, F.
Additional Information: JULIANE RAFAELE ALVES BARROS, Universidade Estadual de Feira de Santana, Feira de Santana, BA; MIGUEL JÚLIO MACHADO GUIMARÃES, Instituto Federal de Educação, Ciência e Tecnologia do Maranhão, São Raimundo das Mangabeiras, MA; RODRIGO MOURA E SILVA, Universidade de Pernambuco, Petrolina, PE; WELSON LIMA SIMOES, CPATSA; NATONIEL FRANKLIN DE MELO, CPATSA; FRANCISLENE ANGELOTTI, CPATSA.
Title: Production and biochemical responses of cowpea under thermal and water stress.
Publisher: Revista Brasileira de Ciências Agrárias, v. 16, n.2, e8599, 2021.
Language: Ingles
Keywords: Estresse abiótico
Estresse por calor
Produção de grãos
Estresse oxidativo
Vigna unguiculada
Feijão caupi
Déficit hídrico
Description: Water deficit and high temperature limit agricultural productivity, affecting plant growth, development, and metabolism. Thus, the objective of this study was to evaluate the impact of the interaction between water deficit and temperature increase on cowpea production. The experiment was carried out with the cultivar BRS Rouxinol, in growth chambers, in a 4 × 2 factorial arrangement, being four soil water availability (25; 50; 75 and 100% of field capacity) and two daily temperature regimes (T°1: 20-26-33 °C and T°2: 24.8-30.8-37.8 °C). The increase in water availability favored an increase in shoot and root dry mass. The vegetative stage was prolonged in plants maintained at a temperature regime of 24.8-30.8-37.8 °C. The cowpea yield increased with higher water availability. The water availability of 90% was the one that provided the highest water use efficiency. The 4.8°C increase in air temperature promotes an increase in oxidative stress with lack of synchrony in the antioxidative defense system. The cultivar Rouxinol is sensitive to the increase in air temperature and water deficit. However, even with 100% water availability, there was no seed production with an increase in air temperature.
Thesagro: Feijão
Potencial Hídrico.
Temperatura
NAL Thesaurus: Cowpeas
Abiotic stress
Heat stress
Heat stress disorders
Grain yield
Oxidative stress
Soil water deficit
Data Created: 2021-06-07
ISSN: 1981-0997
Appears in Collections:Artigo em periódico indexado (CPATSA)

Files in This Item:
File Description SizeFormat 
Production-and-biochemical-responses-2021.pdf1,25 MBAdobe PDFThumbnail
View/Open

FacebookTwitterDeliciousLinkedInGoogle BookmarksMySpace