Silicon as a salt stress mitigator in yellow passion fruit seedlings

被引：2

作者：

Almeida, Cristovao Jacques de Sousa ^{[1
]}

Dantas, Jussara Silva ^{[2
]}

de Mesquita, Evandro Franklin ^{[3
]}

Sousa, Caio da Silva ^{[1
]}

Soares, Vitoria Carolina da Silva ^{[3
]}

Diniz, Jose Paulo Costa ^{[1
]}

Pereira, Rennan Fernandes ^{[3
]}

Lins, Lays Klecia Silva ^{[3
]}

Nogueira, Virginia de Fatima Bezerra ^{[1
]}

da Silva Filho, Irinaldo Pereira ^{[3
]}

机构：

[1] Univ Fed Campina Grande, Pombal, PB, Brazil

[2] Univ Fed Campina Grande, Patos de Minas, PB, Brazil

[3] Univ Estadual Paraiba, Catole do Rocha, PB, Brazil

来源：

PESQUISA AGROPECUARIA TROPICAL | 2024年 / 54卷

关键词：

Passiflora edulis Sims; salinity; silicate fertilization; FERTILIZATION; GROWTH; WATER; IRRIGATION; LEAKAGE;

D O I：

10.1590/1983-40632024v5480305

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

In the Brazilian semi-arid region, the production of passion fruit seedlings often faces challenges such as irrigation with saline water. However, silicate fertilization stands out as an effective solution for mitigating the salinity effects. This study aimed to evaluate the use of silicon as a salt stress mitigator in yellow passion fruit seedlings, under greenhouse conditions. The experimental design was completely randomized, with six replications, in a 5 x 2 factorial scheme, referring to five silicon doses (0, 0.25, 0.50, 0.75 and 1.0 g plant(-1)) and two electrical conductivity levels of the irrigation water (1.2 and 3.5 dS m(-1)). Variables related to plant growth, biomass and physiology were analyzed. Silicon doses between 0.50 and 0.60 g plant-1 provided the best results for the passion fruit seedlings' growth, water status and physiology, both under lower (1.2 dS m(-1)) and higher (3.5 dS m(-1)) salinity conditions. The silicon strengthened the plants and improved water absorption, mitigating the negative effects of salinity on the yellow passion fruit.

引用

页数：10

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