Andrea L. Blas

Andrea Blas, PhD

Assistant Professor, Extension Agent III/Assistant Professor & Plant Pathology

location  Office Location:  ALS, RM 217
Mailing Address:UOG Station, Mangilao, Guam 96923
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Research iNTERESTS

  • Evaluation and improvement of Papaya ringspot virus resistant breeding lines
  • Transmissibility and molecular and pathogenic characterization of Coconut tinangaja viroid
  • Evaluation and implementation of organic cropping practices for disease management in tropical island farming systems
  • Soil microbial community dynamics with soil-borne plant pathogens in organic cropping systems
  • Native mycorrhizal fungi for disease resistance


  • B.S., Humboldt State University
  • Ph.D., University of Hawaii, Manoa


  • Blas, A.L., Q. Yu, O.J. Veatch, R.E. Paull, P.H. Moore, R. Ming. 2012. Genetic mapping of quantitative trait loci controlling fruit size and shape in papaya. Molecular Breeding. DOI: 10.1007/s11032-011-9562-1.
  • Verde, I., N. Bassil, S. Scalabrin, B. Gilmore, C.T. Lawley, K. Gasic, D. Micheletti, U.R. Rosyara, F. Cattonaro, E. Vendramin, D. Main, V. Aramini, A. L. Blas, et al. 2012. Development and evaluation of a 9K SNP array for peach by internationally coordinated SNP detection and validation in breeding germplasm. PLoS ONE. DOI:10.1371/journal.pone.0035668
  • Blas, A.L., R. Ming, Z. Liu, O.J. Veatch, R.E. Paull, P.H. Moore, Q. Yu. 2010. Cloning of the papaya chromoplast-specific lycopene -cyclase, CpCYC-b, controlling fruit flesh color reveals conserved microsynteny and a recombination hot spot. Plant Physiology. 152. 2013-22. DOI: 10.1104/pp.109.152298.
  • Blas, A.L., Q. Yu, C. Chen, O. Veatch, P. Moore, R.E. Paull, R. Ming. 2009. Enrichment of a papaya high-density genetic map with AFLP markers. Genome / National Research Council Canada = Génome / Conseil national de recherches Canada. 52. 716-25. DOI: 10.1139/g09-043.
  • Paull, R.E., B. Irikura, P. Wu, H. Turano, N. J. Chen, A. Blas, et al. 2008. Fruit development, ripening and quality related genes in the papaya genome. Tropical Plant Biology. 246-277. DOI: 10.1007/s12042-008-9021-2.