Arid
DOI10.3390/plants13030390
Hydrogen Peroxide Alleviates Salt Stress Effects on Gas Exchange, Growth, and Production of Naturally Colored Cotton
Nobrega, Jackson Silva; Gomes, Valeria Ribeiro; Soares, Lauriane Almeida dos Anjos; de Lima, Geovani Soares; da Silva, Andre Alisson Rodrigues; Gheyi, Hans Raj; Torres, Rafaela Aparecida Frazao; da Silva, Fellype Jonathar Lemos; da Silva, Toshik Iarley; da Costa, Franciscleudo Bezerra; Dantas, Maila Vieira; Bruno, Riselane de Lucena Alcantara; Nobre, Reginaldo Gomes; Sa, Francisco Vanies da Silva
通讯作者de Lima, GS
来源期刊PLANTS-BASEL
ISSN2223-7747
出版年2024
卷号13期号:3
英文摘要Cotton is one of the most exploited crops in the world, being one of the most important for the Brazilian Northeast. In this region, the use of irrigation is often necessary to meet the water demand of the crop. Water is often used from underground wells that have a large amount of salt in their constitution, which can compromise the development of crops, so it is vital to adopt strategies that reduce salt stress effects on plants, such as the foliar application of hydrogen peroxide. Thus, the objective of this study was to evaluate the effects of foliar application of hydrogen peroxide on the gas exchange, growth, and production of naturally colored cotton under salt stress in the semi-arid region of Paraiba, Brazil. The experiment was carried out in a randomized block design in a 5 x 5 factorial scheme, with five salinity levels of irrigation water-ECw (0.3, 2.0, 3.7, 5.4 and 7.1 dS m-1)-and five concentrations of hydrogen peroxide-H2O2 (0, 25, 50, 75 and 100 mu M), and with three replicates. The naturally colored cotton 'BRS Jade' had its gas exchange, growth, biomass production, and production reduced due to the effects of salt stress, but the plants were able to produce up to the ECw of 3.97 dS m-1. Foliar application of hydrogen peroxide at the estimated concentrations of 56.25 and 37.5 mu M reduced the effects of salt stress on the stomatal conductance and CO2 assimilation rate of cotton plants under the estimated ECw levels of 0.73 and 1.58 dS m-1, respectively. In turn, the concentration of 12.5 mu M increased water-use efficiency in plants subjected to salinity of 2.43 dS m-1. Absolute and relative growth rates in leaf area increased with foliar application of 100 mu M of hydrogen peroxide under ECw of 0.73 and 0.3 dS m-1, respectively. Under conditions of low water salinity (0.3 dS m-1), foliar application of hydrogen peroxide stimulated the biomass formation and production components of cotton.
英文关键词Gossypium hirsutum L. reactive oxygen species salinity semi-arid region
类型Article
语种英语
开放获取类型Green Published, gold
收录类别SCI-E
WOS记录号WOS:001160495300001
WOS关键词WATER IRRIGATION ; SALINITY STRESS ; DROUGHT ; TOLERANCE
WOS类目Plant Sciences
WOS研究方向Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/405133
推荐引用方式
GB/T 7714
Nobrega, Jackson Silva,Gomes, Valeria Ribeiro,Soares, Lauriane Almeida dos Anjos,et al. Hydrogen Peroxide Alleviates Salt Stress Effects on Gas Exchange, Growth, and Production of Naturally Colored Cotton[J],2024,13(3).
APA Nobrega, Jackson Silva.,Gomes, Valeria Ribeiro.,Soares, Lauriane Almeida dos Anjos.,de Lima, Geovani Soares.,da Silva, Andre Alisson Rodrigues.,...&Sa, Francisco Vanies da Silva.(2024).Hydrogen Peroxide Alleviates Salt Stress Effects on Gas Exchange, Growth, and Production of Naturally Colored Cotton.PLANTS-BASEL,13(3).
MLA Nobrega, Jackson Silva,et al."Hydrogen Peroxide Alleviates Salt Stress Effects on Gas Exchange, Growth, and Production of Naturally Colored Cotton".PLANTS-BASEL 13.3(2024).
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