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Home → Publications → Tree Improvement and Genetics → Southern Forest Tree Improvement Conference → 31st Southern Forest Tree Improvement Conference (2011) → Identification of markers linked to AVR1 in Cronartium quercuum F. sp. fusiforme using a novel next-generation sequencing approach

Identification of markers linked to AVR1 in Cronartium quercuum F. sp. fusiforme using a novel next-generation sequencing approach

Fusiform rust disease, caused by infection of the fungal pathogen Cronartium quercuum f.sp. fusiforme, produces galls on stems and branches of southern pines. Stands of susceptible genotypes are often poorly stocked because stem galls weaken stems and make trees susceptible to lodging. Gene-for-gene interaction between the Pinus taeda resistance gene Fr1, and the corresponding pathogen avirulence gene Avr1 has been documented in previous work (Wilcox et al. 1996; Kubisiak et al. 2011). Obtaining markers for avirulence loci would allow pathogen populations to be surveyed where plantations were to be established, enabling growers to plant trees with corresponding resistance genes that ensure the stand is resistant to rust.


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Author(s): Amanda L. Pendleton