Gas exchanges and photochemical efficiency of West Indian cherry cultivated with saline water and potassium fertilization

Dias, Adaan Sudário; Sá, Francisco Vaniés da Silva; Gheyi, Hans Raj; Soares, Lauriane Almeida dos Anjos; Fernandes, Pedro Dantas

doi:10.1590/1807-1929/agriambi.v22n9p628-633

Cited by 32 publications

(33 citation statements)

References 15 publications

(19 reference statements)

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“…Nonetheless, this reduction in transpiration has direct consequences on both the absorption of nutrients, and the transport and redistribution of elements important for physiological processes (TÁVORA et al, 2001). Dias et al (2018), evaluating gas exchanges and photochemical efficiency of West Indian cherry in the post-grafting stage, also found that water salinity inhibited leaf transpiration and recorded a reduction in E of 0.412 mmol of H 2 O m -2 s -1 in plants under the highest salinity level (3.8 dS m -1 ), compared to those subjected to ECw of 0.8 dS m -1 . potential and reduce the absorption of toxic ions -especially Na + and Cl -( Figure 1A).…”

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confidence: 83%

Gas exchanges and production of West Indian cherry cultivated under saline water irrigation and nitrogen fertilization

Lima

Pinheiro

Gheyi

et al. 2019

SCA

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West Indian cherry is of great socioeconomic importance to Brazil because of its potential to keep local workers in rural areas and generate income. It is mainly cultivated in the Northeast region, where high salt concentrations are common in water. This study was conducted to evaluate gas exchanges and production of West Indian cherry cultivar (cv.) ‘BRS 366 Jaburu’, as a function of irrigation with water of different salinity levels, and nitrogen fertilization, at the post-grafting stage. The experiment was carried out in pots adapted into drainage lysimeters, under greenhouse conditions in Campina Grande, PB, Brazil. The experimental design was randomized blocks with three replicates, using a 2 × 4 factorial arrangement in which the treatments corresponded to two levels of irrigation water electrical conductivity (ECw: 0.8 and 4.5 dS m-1) and four nitrogen doses (ND: 70, 85, 100, and 115% of the recommended dose). The 100% dose corresponded to 200 g of nitrogen per plant per year. Irrigation water electrical conductivity of 4.5 dS m-1 led to alterations in the gas exchanges and production components of West Indian cherry cv. ‘BRS 366 Jaburu’. An increase in intercellular CO2 concentration resulted in the occurrence of non-stomatal effects on the assimilation rate of CO2 under water salinity conditions of 4.5 dS m-1. The mean weight of West Indian cherry fruits was reduced when nitrogen doses were above 85% of the recommended level. Nitrogen doses above 70% of the recommended dose (140 g per plant) intensified the negative effects of salt stress on the total number and weight of West Indian cherry fruits.

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Section: Resultsmentioning

confidence: 83%

Gas exchanges and production of West Indian cherry cultivated under saline water irrigation and nitrogen fertilization

Lima

Pinheiro

Gheyi

et al. 2019

SCA

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“…In a study with West Indian cherry, cv. 'BRS 366 Jaburu', under salt stress conditions (ECw of 0.8 and 3.8 dS m -1 ), Dias et al (2018) found a reduction of 56.75% in CEi between plants irrigated with ECw of 0.8 and 3.8 dS m -1 . 1…”

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Gas Exchange, Chloroplast Pigments and Growth of Passion Fruit Cultivated With Saline Water and Potassium Fertilization 1

et al. 2020

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The objective of this study was to evaluate the gas exchange, chloroplast pigments and growth of ‘BRS Rubi do Cerrado’ passion fruit as a function of irrigation with saline water and potassium fertilization in the seedling formation stage. The experiment was conducted under greenhouse conditions in the municipality of Pombal-PB, Brazil. A randomized block design was used in 5 x 2 factorial scheme, corresponding to five levels of water electrical conductivity - ECw (0.3, 1.1, 1.9, 2.7 and 3.5 dS m-1) and two doses of potassium - KD (50 and 100% of the recommendation), with four replicates and two plants per plot. Water salinity from 0.3 dS m-1 reduced the stomatal opening, transpiration, CO2 assimilation and inhibited the growth of ‘BRS Rubi do Cerrado’ passion fruit plants, at 40 days after sowing. There was no CO2 restriction in the substomatal cavity of passion fruit plants grown under water salinity from 0.3 dS m-1. Potassium dose of 150 mg kg-1 of soil, corresponding to 100%, intensified the effect of salt stress on the assimilation rate and instantaneous carboxylation efficiency in 'BRS Rubi do Cerrado' passion fruit. There was interaction between water salinity levels and potassium doses for the chlorophyll a and b contents of 'BRS Rubi do Cerrado' passion fruit.

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“…The information in the literature on irrigation with saline waters in the cultivation of West Indian cherry is limited to the effects of salt stress on growth, gas exchange, photochemical efficiency and photosynthetic pigments in the post-grafting phase of the plants (LIMA et al, 2018;DIAS et al, 2018;ALVARENGA et al, 2019). Given the importance of this crop for the semiarid region of Northeastern Brazil, conducting studies aiming to monitor changes in the physicochemical composition of West Indian cherry fruits, cv.…”

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confidence: 99%

Physicochemical Quality of Fruits of West Indian Cherry Under Saline Water Irrigation and Phosphate Fertilization1

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In the semiarid region of Northeastern Brazil due to the qualitative and quantitative scarcity of water resources, the use of saline water should be considered as an alternative to expand irrigated agriculture. However, the use of waters with high levels of salts depends on management practices that minimize deleterious effects on plants. In this context, the objective of this study was to evaluate the effects of irrigation with water of increasing salinity and fertilization with phosphorus on the postharvest physicochemical composition of fresh fruits of West Indian cherry, cv. 'BRS 366 Jaburu'. The research was carried out in a protected environment, in lysimeters with Neossolo Regolítico Psamitico Típico (Entisol) of clay loam texture, using a randomized block design, in a 5x2 factorial scheme with three replicates and one plant per plot, relative to five levels of irrigation water electrical conductivity (0.6; 1.4; 2.2; 3.0 and 3.8 dS m -1 ) and two phosphorus doses [100 and 140% of the recommendation of Musser. Increase in water salinity reduced fruit size and fresh mass formation, but increased soluble solids contents and titratable acidity in the pulp of West Indian cherry fruits. Phosphate fertilization, regardless of dose, stimulated the formation of fresh mass of West Indian cherry fruits. Water salinity inhibited the formation of ascorbic acid in West Indian cherry fruits, and the highest value was observed in plants irrigated with 0.6 dS m -1 water and fertilized with a dose of 100% of the recommendation of P 2 O 5 . QUALIDADE FISICO-QUIMICA DE FRUTOS DE ACEROLEIRA IRRIGADO COM ÁGUAS SALINAS E ADUBAÇÃO FOSFATADARESUMO -No semiárido do Nordeste brasileiro devido à escassez qualitativa e quantitativa dos recursos hidricos o uso de água salina deve ser considerado como uma alternativa para expandir a agricultura irrigada. Contudo, a utilização de águas com níveis elevados de sais depende de práticas de manejo que minimizem os efeitos deletérios sobre as plantas. Neste contexto, objetivou-se avaliar os efeitos da irrigação com água de salinidade crescente e adubação com fósforo na composição físico-química pós-colheita dos frutos in natura de aceroleira 'BRS 366 Jaburu'. A pesquisa foi realizada em ambiente protegido, em lisímetros com Neossolo Regolítico Psamitico Típico de textura franco-argilosa, utilizando-se o delineamento de blocos casualizados, em esquema fatorial 5x2 com três repetições e uma planta por parcela, relativo aos cinco níveis de condutividade elétrica da água de irrigação de 0,6; 1,4; 2,2; 3,0 e 3,8 dS m -1 e duas doses de fósforo de 100 e 140% da recomendação de Musser. O aumento da salinidade das águas reduziu o tamanho dos frutos e a formação de massa fresca, mas aumentou os teores de sólidos solúveis e acidez titulável da polpa dos frutos de aceroleira. A adubação fosfatada, independente da dose estimulou a formação de massa fresca de frutos de aceroleira. A salinidade das águas inibiu a formação de ácido ascórbico dos frutos de aceroleira sendo maior valor observado nas plantas ir...

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Gas exchanges and photochemical efficiency of West Indian cherry cultivated with saline water and potassium fertilization

Cited by 32 publications

References 15 publications

Gas exchanges and production of West Indian cherry cultivated under saline water irrigation and nitrogen fertilization

Gas exchanges and production of West Indian cherry cultivated under saline water irrigation and nitrogen fertilization

Gas Exchange, Chloroplast Pigments and Growth of Passion Fruit Cultivated With Saline Water and Potassium Fertilization 1

Physicochemical Quality of Fruits of West Indian Cherry Under Saline Water Irrigation and Phosphate Fertilization1

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