Foliar Applications of Salicylic Acid on Boosting Salt Stress Tolerance in Sour Passion Fruit in Two Cropping Cycles

Sobrinho, Thiago Galvão; Silva, André Alisson Rodrigues da; Lima, Geovani Soares de; Lima, Vera Lúcia Antunes de; Borges, Vitória Ediclécia; Innecco, Renato; Soares, Lauriane Almeida dos Anjos; Saboya, Luciano Marcelo Fallé; Gheyi, Hans Raj; Gomes, Josivanda Palmeira; Fernandes, Pedro Dantas; Azevedo, Carlos Alberto Vieira de

doi:10.3390/plants12102023

Cited by 5 publications

(3 citation statements)

References 74 publications

(100 reference statements)

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“…As observed in Figure 5, in general, irrigation with moderately saline water reduces the fluorescence of sour passion fruit (Fo, Fm, and Fv), mainly in grafted plants. Salt stress reduces chlorophyll fluorescence, compromising energy transfer to photosystem II reaction centers [12,14,17,42]. In sour passion fruit, moderately saline water (4.5 dS m −1 ) has been shown to reduce the quantum yield, negatively affecting the photosynthetic activity of the crop [7].…”

Section: Discussionmentioning

confidence: 99%

Propagation Methods and Mulching Modulate the Quantum Yield, Ionic Relations, and Production Components of Sour Passion Fruit under Salt Stress

Souto,

Cavalcante,

Melo

et al. 2023

Horticulturae

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In semiarid regions of Brazil, water and/or soil salinity is one of the limiting factors for sour passion fruit production. Low rainfall rates combined with edaphic conditions (high concentrations of soluble salts) intensify deleterious effects on plants. Thus, strategies that minimize the effects of salt stress, e.g., grafting with tolerant species and soil mulching, are extremely important to ensure the expansion of irrigated fruit farming in this region. From this perspective, this study aimed to evaluate the effect of grafting and mulching on the quantum yield, ionic relations, and fruit production of sour passion fruit irrigated with moderately saline water. The experiment was conducted under field conditions in split plots, in a 2 × (2 × 2) factorial arrangement to evaluate the combination of low and moderate salinity water (main plot) with the propagation method (seeds and grafting on P. cincinnata) and without and with plastic mulching (subplots), with four replications and three plants per plot. The ionic relations in passion fruit leaves were increased with the use of rootstocks and plastic mulching under irrigation with moderately saline water. The use of mulching increased the yield of photosystem II in sour passion fruit. The passion fruit plants propagated by seeds had 187.52% more fruits than those grafted onto P. cincinnata. The use of rootstocks with P. cincinnata in sour passion fruit restricted the uptake of Na and Cl but reduced fruit production.

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Section: Discussionmentioning

confidence: 99%

Propagation Methods and Mulching Modulate the Quantum Yield, Ionic Relations, and Production Components of Sour Passion Fruit under Salt Stress

Souto,

Cavalcante,

Melo

et al. 2023

Horticulturae

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“…As verified in the present study, the beneficial effect of salicylic acid on early dwarf cashew plants depended on the applied concentration. In addition to concentration, the effect of salicylic acid is related to the stage of crop development, method, and frequency of application [15,47,48].…”

Section: Mean Squares Source Ofmentioning

confidence: 99%

Salicylic Acid as a Salt Stress Mitigator on Chlorophyll Fluorescence, Photosynthetic Pigments, and Growth of Precocious-Dwarf Cashew in the Post-Grafting Phase

Arruda

Lima

Silva

et al. 2023

Plants

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Salicylic acid is a phytohormone that has been used to mitigate the effects of saline stress on plants. In this context, the objective was to evaluate the effect of salicylic acid as a salt stress attenuator on the physiology and growth of precocious-dwarf cashew plants in the post-grafting phase. The study was carried out in a plant nursery using a randomized block design in a 5 × 4 factorial arrangement corresponding to five electrical conductivity levels of irrigation water (0.4, 1.2, 2.0, 2.8, and 3.6 dS m−1) and four salicylic acid concentrations (0, 1.0, 2.0, and 3.0 mM), with three replications. Irrigation water with electrical conductivity levels above 0.4 dS m−1 negatively affected the relative water content in the leaf blade, photosynthetic pigments, the fluorescence of chlorophyll a, and plant growth and increased electrolyte leakage in the leaf blade of precocious-dwarf cashew plants in the absence of salicylic acid. It was verified through the regression analysis that salicylic acid at a concentration of 1.1 mM attenuated the effects of salt stress on the relative water content and electrolyte leakage in the leaf blade, while the concentration of 1.7 mM increased the synthesis of photosynthetic pigments in precocious-dwarf cashew plants.

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“…Sims) is a crop highly sensitive to salt stress, with a critical threshold for irrigation water salinity set at 1.3 dS m -1 (Galvão Sobrinho et al, 2023). Brazil, being the world's leading producer and consumer of passion fruit, recorded a production of 697,859 t in 2022, cultivated across 45,602 ha, making an average yield of 15,303 t ha -1 .…”

Section: Sour Passion Fruit (Passiflora Edulismentioning

confidence: 99%

Aplicação foliar de prolina na mitigação do estrese salino nos índices fisiológicos de maracujazeiro-azedo

Santos,

Lima,

Lima

et al. 2023

Sem. Ci. Agr.

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A salinidade é um dos principais estresses abióticos que restringe o crescimento das plantas e causa perdas significativas no rendimento. Os efeitos do estresse salino são mais severos em regiões semiáridas, devido as condições climáticas e a ocorrência de fontes hídricas com teores elevados de sais. Neste contexto, a busca por estratégias que viabilizem o uso de águas salinas na irrigação é fundamental para garantir a necessidade de produção de alimentos. Assim, objetivou-se com este estudo avaliar os efeitos das aplicações foliar de concentrações de prolina nos índices fisiológicos de maracujazeiro-azedo irrigados com águas salinas na fase de formação de mudas. A pesquisa foi conduzida em casa de vegetação pertencente à Unidade Acadêmica de Engenharia Agrícola da Universidade Federal de Campina Grande, em Campina Grande – PB, utilizando-se o delineamento experimental inteiramente casualizado, em esquema fatorial 5 × 4, sendo cinco níveis de condutividade elétrica da água de irrigação CEa - (0,6; 1,2; 1,8; 2,4 e 3,0 dS m-1) e quatro concentrações de prolina (0, 5, 10 e 15 mM) com quatro repetições e cada parcela continha duas plantas, totalizando 160 unidades experimentais. A salinidade da água a partir de 0,6 dS m-1 reduziu o conteúdo relativo de água, trocas gasosas, e elevou o extravasamento de eletrólitos no limbo foliar das plantas de maracujazeiro-azedo. A irrigação com água de condutividade elétrica entre 1,3 e 1,8 dS m-1 estimulou a biossíntese de pigmentos fotossintéticos do maracujazeiro-azedo ‘BRS GA1’, aos 66 dias após a semeadura. A aplicação foliar de prolina nas concentrações variando de 4,5 e 6,5 mM aumentou a condutância estomática, a transpiração, a taxa de assimilação de CO2, a eficiência instantânea de carboxilação e os teores de clorofilas do maracujazeiro-azedo.

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Foliar Applications of Salicylic Acid on Boosting Salt Stress Tolerance in Sour Passion Fruit in Two Cropping Cycles

Cited by 5 publications

References 74 publications

Propagation Methods and Mulching Modulate the Quantum Yield, Ionic Relations, and Production Components of Sour Passion Fruit under Salt Stress

Propagation Methods and Mulching Modulate the Quantum Yield, Ionic Relations, and Production Components of Sour Passion Fruit under Salt Stress

Salicylic Acid as a Salt Stress Mitigator on Chlorophyll Fluorescence, Photosynthetic Pigments, and Growth of Precocious-Dwarf Cashew in the Post-Grafting Phase

Aplicação foliar de prolina na mitigação do estrese salino nos índices fisiológicos de maracujazeiro-azedo

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