Gas exchanges and growth of cotton cultivars under water salinity
ABSTRACT Indication of salt-tolerant cotton cultivars can make the agricultural exploitation with saline water irrigation feasible in the Brazilian semi-arid region. Thus, this study aimed to evaluate the gas exchanges and growth of cotton cultivars irrigated with saline water. The study was conduct...
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Universidade Federal de Campina Grande
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| Series: | Revista Brasileira de Engenharia Agrícola e Ambiental |
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| author | André A. R. da Silva Luana L. de S. A. Veloso Ronaldo do Nascimento Elka C. S. Nascimento Carlos V. de C. Bezerra Márcia C. de A. Pereira |
| author_facet | André A. R. da Silva Luana L. de S. A. Veloso Ronaldo do Nascimento Elka C. S. Nascimento Carlos V. de C. Bezerra Márcia C. de A. Pereira |
| author_sort | André A. R. da Silva |
| collection | DOAJ |
| description | ABSTRACT Indication of salt-tolerant cotton cultivars can make the agricultural exploitation with saline water irrigation feasible in the Brazilian semi-arid region. Thus, this study aimed to evaluate the gas exchanges and growth of cotton cultivars irrigated with saline water. The study was conducted in pots adapted as drainage lysimeters under greenhouse conditions, using a sandy loam Entisols as substrate. Treatments were distributed in completely randomized design, in 5 x 2 factorial arrangement, relative to five levels of irrigation water electrical conductivity - ECw (1.5, 3.0, 4.5, 6.0 and 7.5 dS m-1) and two cotton cultivars (BRS 368 RF and BRS Safira). Increase in irrigation water salinity inhibits the vegetative growth and gas exchanges of the cotton cultivars BRS Safira and BRS 368 RF. Leaf area and instantaneous carboxylation efficiency are the most affected variables. Physiological and growth performance of the cultivar BRS Safira in response to water salinity was higher than that of BRS 368 RF. |
| format | Article |
| id | doaj-art-dbd62d46bf604cc6b006085da3bcfbd6 |
| institution | OA Journals |
| issn | 1807-1929 |
| language | English |
| publisher | Universidade Federal de Campina Grande |
| record_format | Article |
| series | Revista Brasileira de Engenharia Agrícola e Ambiental |
| spelling | doaj-art-dbd62d46bf604cc6b006085da3bcfbd62025-08-20T02:25:56ZengUniversidade Federal de Campina GrandeRevista Brasileira de Engenharia Agrícola e Ambiental1807-192923639339910.1590/1807-1929/agriambi.v23n6p393-399S1415-43662019000600393Gas exchanges and growth of cotton cultivars under water salinityAndré A. R. da SilvaLuana L. de S. A. VelosoRonaldo do NascimentoElka C. S. NascimentoCarlos V. de C. BezerraMárcia C. de A. PereiraABSTRACT Indication of salt-tolerant cotton cultivars can make the agricultural exploitation with saline water irrigation feasible in the Brazilian semi-arid region. Thus, this study aimed to evaluate the gas exchanges and growth of cotton cultivars irrigated with saline water. The study was conducted in pots adapted as drainage lysimeters under greenhouse conditions, using a sandy loam Entisols as substrate. Treatments were distributed in completely randomized design, in 5 x 2 factorial arrangement, relative to five levels of irrigation water electrical conductivity - ECw (1.5, 3.0, 4.5, 6.0 and 7.5 dS m-1) and two cotton cultivars (BRS 368 RF and BRS Safira). Increase in irrigation water salinity inhibits the vegetative growth and gas exchanges of the cotton cultivars BRS Safira and BRS 368 RF. Leaf area and instantaneous carboxylation efficiency are the most affected variables. Physiological and growth performance of the cultivar BRS Safira in response to water salinity was higher than that of BRS 368 RF.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000600393&lng=en&tlng=enGossypium hirsutum L.tolerânciacultivar BRS Safira |
| spellingShingle | André A. R. da Silva Luana L. de S. A. Veloso Ronaldo do Nascimento Elka C. S. Nascimento Carlos V. de C. Bezerra Márcia C. de A. Pereira Gas exchanges and growth of cotton cultivars under water salinity Revista Brasileira de Engenharia Agrícola e Ambiental Gossypium hirsutum L. tolerância cultivar BRS Safira |
| title | Gas exchanges and growth of cotton cultivars under water salinity |
| title_full | Gas exchanges and growth of cotton cultivars under water salinity |
| title_fullStr | Gas exchanges and growth of cotton cultivars under water salinity |
| title_full_unstemmed | Gas exchanges and growth of cotton cultivars under water salinity |
| title_short | Gas exchanges and growth of cotton cultivars under water salinity |
| title_sort | gas exchanges and growth of cotton cultivars under water salinity |
| topic | Gossypium hirsutum L. tolerância cultivar BRS Safira |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000600393&lng=en&tlng=en |
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