Dothistroma needle blight is a serious fungal disease that causes productivity losses in planted radiata pine in New Zealand. Delivering improved tolerance to this disease that is consistent across environments is critical in the Central North Island where significant outbreaks often occur. This paper presents the results of a preliminary analysis modelling the needle damage caused by Dothistroma needle blight across 19 sites in the Central North Island using a factor analytic approach. Genetic correlations in the majority of trials show strong and positive relationships. The modelled correlation matrix indicates that genetic responses among all environments tested will be consistent and predictable, good news for breeding and deployment of selections in areas exposed to this needle disease. Keywords: dothistroma septosporum, genetic correlation, factor analytic, pinus radiata
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume Electronic Poster Session - Biology - Disease Resistance 3, , 806, 2018
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