| Autor: |
de Luna Souto AG; Postgraduate Program in Plant Production, Federal University of the São Francisco Valley, Petrolina 56300-000, Brazil., Cavalcante LF; Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Brazil., de Melo EN; Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Brazil., Cavalcante ÍHL; Postgraduate Program in Plant Production, Federal University of the São Francisco Valley, Petrolina 56300-000, Brazil., da Silva RÍL; Department of Plant Science, Federal University of Paraíba, Areia 58397-000, Brazil., de Lima GS; Postgraduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil., Gheyi HR; Postgraduate Program in Agricultural Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil., Pereira WE; Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Brazil., de Paiva Neto VB; Postgraduate Program in Plant Production, Federal University of the São Francisco Valley, Petrolina 56300-000, Brazil., de Oliveira CJA; Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Brazil., de Oliveira Mesquita F; Department of Soils and Mineralogy, National Institute of the Semiarid, Campina Grande 58434-700, Brazil. |
| Abstrakt: |
The Brazilian semiarid region stands out in terms of sour passion fruit production. Local climatic conditions (high air temperature and low rainfall), combined with its soil properties (rich in soluble salts), increase salinity effects on plants. This study was carried out in the experimental area "Macaquinhos" in Remígio-Paraíba (Brazil). The aim of this research was to evaluate the effect of mulching on grafted sour passion fruit under irrigation with moderately saline water. The experiment was conducted in split-plots in a 2 × (2 × 2) factorial scheme to evaluate the effects of the combination of irrigation water salinity of 0.5 dS m -1 (control) and 4.5 dS m -1 (main plot), passion fruit propagated by seed and grafted onto Passiflora cincinnata , with and without mulching (subplots), with four replicates and three plants per plot. The foliar Na concentration in grafted plants was 90.9% less than that of plants propagated via seeds; however, it did not affect fruit production. Plastic mulching, by reducing the absorption of toxic salts and promoting greater absorption of nutrients, contributed to greater production of sour passion fruit. Under irrigation with moderately saline water, the plastic film in the soil and seed propagation promote higher production of sour passion fruit. |
