Plant breeding

Acyl sugars and whitefly (Bemisia tabaci) resistance in segregating populations of tomato genotypes

D. M. Dias, Resende, J. T. V., Marodin, J. C., Matos, R., Lustosa, I. F., Resende, N. C. V., Dias, D. M., Resende, J. T. V., Marodin, J. C., Matos, R., Lustosa, I. F., Resende, N. C. V., Dias, D. M., Resende, J. T. V., Marodin, J. C., Matos, R., Lustosa, I. F., and Resende, N. C. V., Acyl sugars and whitefly (Bemisia tabaci) resistance in segregating populations of tomato genotypes, vol. 15, p. -, 2016.

The wild tomato, Solanum pennellii, is an important source of resistance genes against tomato pests. This resistance is due to the presence of acyl sugars (AS), which are allelochemicals that have negative effects on arthropod pests. There are no commercially available tomato cultivars that exhibit significant levels of resistance to arthropod pests.

Phenotypic characteristics for discrimination between advanced genotypes of Brachiaria ruziziensis

B. A. Rezende, Ribeiro, C. B., Teixeira, D. H. L., Gonçalves, F. M. A., F. Sobrinho, S., Rezende, B. A., Ribeiro, C. B., Teixeira, D. H. L., Gonçalves, F. M. A., F. Sobrinho, S., Rezende, B. A., Ribeiro, C. B., Teixeira, D. H. L., Gonçalves, F. M. A., and F. Sobrinho, S., Phenotypic characteristics for discrimination between advanced genotypes of Brachiaria ruziziensis, vol. 15, p. -, 2016.

The aim of this study was to use multivariate methods and Pearson and partial correlations to disregard phenotypic characteristics that contribute little to differentiation between Brachiaria ruziziensis genotypes. Eighty-one genotypes of B. ruziziensis were assessed in completely randomized blocks with three replications.

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