Produtividade de grãos verdes do feijão-caupi sob diferentes regimes hídricos

Ramos, Herbert Moraes Moreira; Bastos, E. A.; Cardoso, M. J.; Ribeiro, V. Q.; Nascimento, Fábio Nunes do

doi:10.1590/s0100-69162014000400008

Cited by 12 publications

(9 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Em estudo desenvolvido por Ramos et al (2014), avaliando a produtividade de grãos verdes, os componentes de produção e a eficiência do uso da água do feijão-caupi, sob regimes hídricos, constataram que a produtividade de grãos verdes e vagens verdes, o número de vagens verdes por planta, o comprimento médio das vagens verdes e o número de grãos verdes por vagem diminuem com a redução das lâminas de irrigação.…”

Section: Introductionunclassified

Alteração Química Do Solo Cultivado Com Feijão Caupi Sob Salinidade E Dois Regimes Hídricos

Filho

Bezerra

Silva

et al. 2017

RBAI

View full text Add to dashboard Cite

RESUMOObjetivou-se analisar as alterações químicas de um Argissolo Vermelho Amarelo cultivado com duas cultivares de feijão-caupi irrigado com água de salinidade crescente e dois regimes de irrigação. O experimento foi conduzido em vasos, a céu aberto em delineamento de blocos ao acaso utilizando o fatorial 2 x 2 x 5, em parcelas subsubdivididas, referentes as lâminas de irrigação correspondentes a 100 e 50% da evapotranspiração potencial da cultura -ETpc, duas cultivares de feijão caupi (Vigna unguiculata L. Walp), Epace 10 e BRS Itaim e os níveis de salinidade das águas de irrigação de 0,95; 2,45; 3,95; 5,45 e 6,95 dS m -1 . As parcelas corresponderam as lâminas de irrigação e as subparcelas à combinação de cada cultivar com cada condutividade elétrica da água de cada água de irrigação. Aos 70 dias após a semeadura avaliaram-se a condutividade elétrica do extrato de saturação solo e os valores de pH, cálcio, magnésio, potássio e sódio do solo. A redução da lâmina de irrigação de 100 para 50% ETpc elevou em 77,7% o teor de potássio do solo. O aumento da concentração de sais na água de irrigação reduziu o pH da solução do solo, mas provocou aumento da salinidade e do teor de potássio solo. Os teores de cálcio, magnésio e sódio não foram influenciados pelo aumento da salinidade das águas e nem pela redução da lâmina de irrigação de 100 para 50% ETpc. Palavras-chave:Irrigação. Salinidade do solo e da água. Vigna unguiculata L.

show abstract

Section: Introductionunclassified

Alteração Química Do Solo Cultivado Com Feijão Caupi Sob Salinidade E Dois Regimes Hídricos

Filho

Bezerra

Silva

et al. 2017

RBAI

View full text Add to dashboard Cite

show abstract

“…These results corroborate with research conducted by [11], which evaluated the production components, productivity and efficiency of irrigation of cowpeas in the cerrado of Roraima, concluded that the number of pods per plant is directly affected by the increment of irrigation. Similarly, [5], evaluating the effect of the variation of soil water levels on the growth and production of cowpeas, pods and green seeds, verified that the number of pods per plant was influenced by the water levels, being more affected by water deficit.…”

Section: Resultsmentioning

confidence: 83%

“…Currently, researches carried out by public institutions, such as Embrapa, have allowed the cultivation of cowpea cultivars, which have highly favorable agronomic characteristics to the production of dry and green seeds. These cultivars usually have a high response to irrigation [5].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Different Irrigation Levels in Cowpea Production in the Mid-Northern Region of Tocantins—Brazil

Francelino¹,

Coelho²,

Manhães³

et al. 2018

AJCC

View full text Add to dashboard Cite

The objective of this study was to evaluate the effects of the application of irrigation levels in the productivity and water use efficiency, in the soil and climatic conditions of the municipality of Colinas do Tocantins, located in the Mid-Northern region of the State of Tocantins. The cowpea cultivation system was submitted to the application of five irrigation blades, based on ET0-Reference Evapotranspiration: Blade 0% of ET0, Blade 50% of ET0, Blade 75% of ET0, Blade 100% of ET0 and Blade 125% of ET0 (B0, B50, B75, B100 and B125% of ET 0). The descriptive statistics were used to analyze the data, applying the 95% confidence interval to discriminate the differences between the treatments, since the replicates were constituted of 100 plants harvested at random within the plot for each treatment and no design method was performed. A significant effect of the different levels was found on all evaluated components, with the exception of the length of the pod, which did not differ in the irrigation levels. The increase in irrigation contributed to the increase of the results of the components that compete directly for higher productivity, such as number of pods per plant, weight of pods and number of seeds per pod. In these results, it was found that higher irrigation levels confer higher yields. Water-use efficiency-WUE behaved as per productivity trend, that is, it decreased with the reduction of irrigation levels.

show abstract

“…Studies have been conducted with the objective of evaluating cowpea genotypes for cowpea market, especially for traits associated with the yield (Andrade et al, 2010;Oliveira et al, 2003). Ramos et al (2014) evaluated cowpea genotypes under different irrigation levels and yield of immature seeds was 2.937 kg ha -1 (BRS Guariba) and 2.493 kg ha -1 (BRS Paraguaçu). However, there are no recommended varieties for immature seeds market, considering adaptability and stability parameters.…”

Section: Bahiamentioning

confidence: 99%

Adaptability and stability parameters for immature seeds and pods and mature dried seeds in cowpea genotypes in Brazil northeast

Aquino¹,

Santos²,

Silva³

2016

Afr. J. Agric. Res.

View full text Add to dashboard Cite

The aim of this study was to estimate adaptability and stability parameters in genotypes of cowpea for the yield of immature seeds and pods and mature dried seeds, in order to enable the recommendation of cultivars for the region of São Francisco Submedium valley. We evaluated 30 cowpea genotypes, being fourteen lines of Embrapa Semiarid, six commercial cultivars and 10 landraces in the municipalities of Juazeiro-BA and Petrolina-PE. The experiments were conducted in the second semester, during the years 2013, 2014 and 2015. For adaptability and stability analysis, the methodologies of Eberhart and Russell, Lin and Binns were used, in addition to the multiplicative method, based on principal components analysis (AMMI). A significant difference was observed for the mean squares of treatments in all environments, as well as the pooled ANOVA (P<0.01) for the effects of genotypes (G), environments (E) and G*E interaction. The lines P290, P303, P508 and PC950409D02E showed yield of immature seeds exceeding 2140 kg ha-1 , broad stability and good predictability in the series of evaluated environments, and has great potential to be recommended as new cultivars for the region of São Francisco Submedium Valley.

show abstract

Produtividade de grãos verdes do feijão-caupi sob diferentes regimes hídricos

Cited by 12 publications

References 10 publications

Alteração Química Do Solo Cultivado Com Feijão Caupi Sob Salinidade E Dois Regimes Hídricos

Alteração Química Do Solo Cultivado Com Feijão Caupi Sob Salinidade E Dois Regimes Hídricos

The Effect of Different Irrigation Levels in Cowpea Production in the Mid-Northern Region of Tocantins—Brazil

Adaptability and stability parameters for immature seeds and pods and mature dried seeds in cowpea genotypes in Brazil northeast

Contact Info

Product

Resources

About