2017
DOI: 10.4136/ambi-agua.2070
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Initial development of cowpea plants under salt stress and phosphate fertilization

Abstract: The objective of this work was to study the effects of irrigation with saline water associated with phosphate fertilization on the emergence and early growth of cowpea plants. The assay was conducted in the greenhouse of the Department of Environmental Sciences and Technology of the Federal Rural University of the Semi-Arid (UFERSA) in Mossoró-RN, during October and November of 2015. The study adopted a randomized block with treatments arranged in a 5 x 3 grid, corresponding to five levels of water salinity (0… Show more

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Cited by 3 publications
(3 citation statements)
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References 17 publications
(23 reference statements)
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“…A similar result was found by Sá et al (2017a), who observed a reduction in shoot dry mass accumulation of cowpea varieties, including Paulistinha, and by Gomes, Almeida and Takahashi (2015), who verified the negative influence of water and salt stresses on the shoot dry mass accumulation of green bean. However, in varieties 5 Ceará; 10 Feijão Branco; 13 Sopinha; 15 Lisão and 22 Canário, there was no significant reduction in shoot dry mass accumulation with the increase in the level of water salinity.…”
Section: Sources Of Variationsupporting
confidence: 85%
See 1 more Smart Citation
“…A similar result was found by Sá et al (2017a), who observed a reduction in shoot dry mass accumulation of cowpea varieties, including Paulistinha, and by Gomes, Almeida and Takahashi (2015), who verified the negative influence of water and salt stresses on the shoot dry mass accumulation of green bean. However, in varieties 5 Ceará; 10 Feijão Branco; 13 Sopinha; 15 Lisão and 22 Canário, there was no significant reduction in shoot dry mass accumulation with the increase in the level of water salinity.…”
Section: Sources Of Variationsupporting
confidence: 85%
“…Tolerance of seedlings traditional varieties of cowpea (Vigna unguiculata) to salt stress According to Ayers and Westcot (1999), this crop tolerates irrigation with saline water with electrical conductivity of up to 3.3 dS m -1 and electrical conductivity of the soil saturation extract up to 4.9 dS m -1 , being considered moderately tolerant to salinity. However, Sá et al (2017a) found that irrigation water salinity above 1.5 dS m -1 reduces the emergence, growth, and dry mass accumulation of cowpea plants.…”
Section: Introductionmentioning
confidence: 93%
“…O feijão-caupi (Vigna unguiculata (L.) Walp), conhecido regionalmente por feijão-decorda ou feijão-macassar, é uma planta leguminosa granífera de origem africana, que se adapta bem as regiões de clima semiárido e que apresenta importância socioeconômica no Brasil (SÁ et al, 2017). A qualidade dos grãos é muito importante e benéfica para a saúde do consumidor, pois o grão apresenta alto valor nutritivo, contendo em média 56,8% de carboidratos, 1,3% de gorduras, 3,9% de fibras e 23,4% de proteínas (OLIVEIRA et al, 2015).…”
Section: Introductionunclassified