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- Title
CRESCIMENTO DE CULTIVARES DE PALMA FORRAGEIRA IRRIGADA SOB DIFERENTES NÍVEIS DE SALINIDADE EM REGIÃO SEMIÁRIDA.
- Authors
DE ARAÚJO PEREIRA, MÁRCIA CRISTINA; VIEIRA DE AZEVEDO, CARLOS ALBERTO; DANTAS NETO, JOSÉ; DE OLIVEIRA PEREIRA, MARIANA; GARCIA RAMOS, JAILTON; DE ARAÚJO TOMAZ, BEATRIZ
- Abstract
The forage palm stands out for being a crop well adapted to the edaphoclimatic conditions of the Brazilian semiarid region, for it presents anatomical, morphophysiological, and chemical characteristics that enable its development. This work aimed to evaluate the effect of different levels of salinity of irrigation water on the growth of forage palm cultivars in the semiarid region. The experimental design was in randomized blocks in a 4 x 3 factorial scheme, with four salt levels (0.2; 2.0; 3.8 and 5.6 dS m-1) and three cultivars (Miúda, Mexican Orelha de Elefante, and IPA-Sertânia), four repetitions. The variables of plant height, plant width, length, width, perimeter and thickness of the primary cladodes were evaluated. The variables were subjected to analysis of variance by the F test at the level of 1 and 5% probability, when significant were subjected to linear and quadratic regression analysis for quantitative variables and Tukey test (p < 0.05) for the qualitative variable. The development of the forage palm irrigated with different saline levels was influenced with increasing salinity, and the best condition for the cultivar Miúda was a salinity of 3.8 dS m-1, and for Baiana and Mexican Elephant's Ear was salinity of 2.0 dS m-1.
- Subjects
ARID regions; IRRIGATION water; ANALYSIS of variance; REGRESSION analysis; SALINITY; PALMS; FACTORIAL experiment designs
- Publication
Revista IRRIGA - Brazilian Journal of Irrigation & Drainage, 2021, Vol 26, Issue 4, p814
- ISSN
1413-7895
- Publication type
Article
- DOI
10.15809/irriga.2021v26n4p814-826