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Physiological responses of foliar application of cobalt and molybdenum in passion fruit young plants cultivated in nutrient solution

Grant number: 17/23346-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2018
Effective date (End): April 30, 2019
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Daniel Baron
Grantee:Rodrigo Antonio Nuncio Junior
Host Institution: Centro de Ciências da Natureza (CCN). Universidade Federal de São Carlos (UFSCAR). Campus de Lagoa do Sino. Buri , SP, Brazil


The propagation of passion fruit (Passiflora edulis Sims.) it is very important for brazilian fruit-growing, since this is a fruit species has high economic demand in the national and international scenario, therefore, it is necessary to overcome nutritional levels required by the species, in order to obtain healthy plants during the of nursery seedlings formation to orchard post-planting. The current study aims to evaluate an interaction between the mineral elements molybdenum (Mo) and cobalt (Co), essential and beneficial, respectively, applied via leaf in passion fruits plants, cultivated in different mineral nitrogen element availabilities, using nutrient solution 'Hoagland and Arnon' nº1, regarding the initial phonological growth stages of species. In this way a scientific hypothesis will be tested that Co and Mo interaction via leaf, in plants grown up in nutrient solution containing concentrations different of nitrogen (N), will provide a nutritional and hormonal balance, allowing a more uniform formation of young plants. The experimental design was a randomized complete block (DBC), with 06 treatments distributed in 5 blocks, totaling 10 replicates of 01 plant each per treatment. The data are submitted to the homogeneity test between as variances (Levene test) and, when attending as statistical assumptions, the data are submitted to analysis of variance (ANOVA) and, if necessary, their means compared by the Tukey mean test of significance of 5% (p <0.05). (AU)

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