IDENTIFICATION OF DEFENSE METABOLITES IN DIFFERENTS GENOTYPES FROM THE SACCHARUM COMPLEX

Authors

  • Demetrios José de Albuquerque Oliveira Universidade Federal de Alagoas
  • Thyago Fernando Lisboa Ribeiro Universidade Federal de Alagoas
  • Alessandre Carmo Crispim Universidade Federal de Alagoas
  • Edson de Souza Bento Universidade Federal de Alagoas
  • Henrique Fonseca Goulart Universidade Federal de Alagoas
  • Alessandro Riffel Universidade Federal de Alagoas
  • Antonio Euzébio Goulart Santana Universidade Federal de Alagoas

Keywords:

SUGARCANE, PLANT DEFENSE, ARTIFICIAL SELECTION

Abstract

The impact of domestication and selection methods in aiming only yield gain have led to the selectiong of plants with loss of resistance traits. The reintroduction or increased expression of these traits could potentially increase resistance in plants. In order to elucidate the mechanisms of sugarcane response to herbivory and explore natural variation, different species from the Saccharum complex were evaluated for resistance to Diatraea saccharalis. Antibiosis bioassay was carried through infesting sugarcane plants with caterpillars and measuring larval performance. From the antibiosis assays we selected four genotypes with different resistance levels. Gas chromatography coupled to mass spectrometry (GC-MS) and nuclear magnetic resonance (1H-NMR) were used to identify the volatile organic compounds (VOCs) and the metabolome respectively. The results indicate different profiles in VOCs and metabolome. We also identified the discriminant metabolites contributing for resistance. Our results may provide knowledge to be applied in genetic breeding programs of sugarcane in the development of sugarcane cultivars more resistant to pests.

Published

2019-10-20

How to Cite

Oliveira, D. J. de A., Ribeiro, T. F. L., Crispim, A. C., Bento, E. de S., Goulart, H. F., Riffel, A., & Santana, A. E. G. (2019). IDENTIFICATION OF DEFENSE METABOLITES IN DIFFERENTS GENOTYPES FROM THE SACCHARUM COMPLEX. Caderno Verde De Agroecologia E Desenvolvimento Sustentável, 9(5), b–91. Retrieved from https://gvaa.com.br/revista/index.php/CVADS/article/view/7286

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