Hydroponic Cultivation of Laranja Cherry Tomatoes under Salt Stress and Foliar Application of Hydrogen Peroxide

被引:1
|
作者
Guedes, Maria Amanda [1 ]
da Silva, Andre Alisson Rodrigues [1 ]
de Lima, Geovani Soares [1 ]
Gheyi, Hans Raj [1 ]
Soares, Lauriane Almeida dos Anjos [2 ]
Silva, Luderlandio de Andrade [1 ]
Oliveira, Valeska Karolini Nunes [1 ]
de Fatima, Reynaldo Teodoro [1 ]
Nobre, Reginaldo Gomes [3 ]
Nobrega, Jackson Silva [1 ]
de Azevedo, Carlos Alberto Vieira [1 ]
da Silva, Saulo Soares [1 ]
Gomes, Josivanda Palmeira [1 ]
机构
[1] Univ Fed Campina Grande, Acad Unit Agr Engn, BR-58430380 Campina Grande, PB, Brazil
[2] Univ Fed Campina Grande, Acad Unit Agrarian Sci, BR-58840000 Pombal, PB, Brazil
[3] Fed Rural Univ Semiarid Reg, Dept Sci & Technol, BR-59780000 Caraubas, RN, Brazil
来源
AGRICULTURE-BASEL | 2023年 / 13卷 / 09期
关键词
Solanum lycopersicum L; saline water; hydroponics; antioxidant substance; GAS-EXCHANGE; SALINE WATER; TOLERANCE; GROWTH; YIELD;
D O I
10.3390/agriculture13091688
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The objective of this study was to evaluate the effect of the foliar application of hydrogen peroxide (H2O2) in mitigating the effects of salt stress on cherry tomato cultivation in a hydroponic system. The experiment was conducted in a greenhouse, using a Nutrient Film Technique hydroponic system. The experimental design used was completely randomized in a split-plot scheme, with four levels of electrical conductivity of the nutrient solution-ECns (2.1, 2.8, 3.5, and 4.2 dS m(-1)), considered as plots, and five H2O2 concentrations (0, 12, 24, 36, and 48 mu M), regarded as subplots, with four replicates and two plants per plot. An increase in the electrical conductivity of the nutrient solution negatively affected the production components of cherry tomatoes. However, it did not affect the post-harvest quality of the fruits. Despite the reductions observed in the production components due to the increase in the electrical conductivity of the nutrient solution, foliar application of H2O2 at concentrations esteemed between 22 and 25 mu M attenuated the deleterious effects of salt stress on the number of fruits and ascorbic acid content and increased the total fruit production per plant of cherry tomatoes.
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页数:15
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