EARLY SELECTION OF Pinus radiata progenies to Sphaeropsis sapinea

Authors

  • Paula Rachel Rabelo Corrêa UFSM
  • Celso Garcia Auer
  • Alvaro Figueredo dos Santos
  • Antonio Rioyei Higa

DOI:

https://doi.org/10.5902/198050985734

Keywords:

pine, resistance, selection

Abstract

http://dx.doi.org/10.5902/198050985733

Sphaeropsis sapinea is an important pathogen for some Pinus radiata causing tip blight and death of trees, in commercial plantings. This study was developed to select Pinus radiata progenies resistant to the pathogen, for new plantings in Brazil. Seedlings tips of 16 Pinus radiata progenies were inoculated with three pathogen monosporic isolates of Sphaeropsis sapinea, under greenhouse conditions. Lesions length and tip blight degree were evaluated. Responses of progenies to the pathogen varied according to tested isolate. The results indicated that early selection methodology was adequate to select Pinus radiata progenies resistant against Sphaeropsis sapinea. Average heritability of the progenies varied according to tested isolate and the selection criterion used.

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Published

2012-06-29

How to Cite

Corrêa, P. R. R., Auer, C. G., Santos, A. F. dos, & Higa, A. R. (2012). EARLY SELECTION OF Pinus radiata progenies to Sphaeropsis sapinea. Ciência Florestal, 22(2), 257–281. https://doi.org/10.5902/198050985734

Issue

Vol. 22 No. 2 (2012)

Section

Articles

License

A revista CIÊNCIA FLORESTAL reserva-se o direito de realizar, nos originais, alterações de ordens normativas, ortográficas e gramaticais, com vistas a manter o padrão escolar da língua, mas respeitando o estilo dos autores. As provas finais podem ou não ser enviadas aos autores.

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