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Variability in Eremanthus erythropappus in response to mycorrhizal inoculation

This study had the objective to estimate the variations among and within origins of candeia (Eremanthus erythropappus) in response to inoculation with mycorrhizal fungi. Open-pollinated seeds were collected from six matrix trees of two distinct populations: São Tomé das Letras and Carrancas, in the States of Minas Gerais, Brazil. The seedlings produced were arranged in split plot in four randomized blocks, where the split plots constituted of treatments with or without mycorrhizal inoculation and the plot which the genotype. From the first to the eighth month after transfering seedlings into containers the data related to height, diameter and survival rate of seedlings in the nursery were collected. In the analysis of variance, there were variations for height characteristic between the two origins, among the inoculation treatments and for the interaction origin inoculation. The analysis among the progenies showed that there were no significant differences among origins, but differences were observed for the inoculation treatment with regard to the height characteristic.

mycorrhizal fungi; candeia; genetic variation


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