Abstract
Thirteen permanent plots containing 5,245 red pine trees (1520 years) were surveyed each spring from 1978 to 1982 for Scleroderris canker. During this time, four of the plots had negative disease increase rates (-.04 to -.48; based upon percent trees infected) and three plots had negative rates (-.21 to -.39; based upon percent branches infected). Associated vegetational data were also collected and correlated with disease intensification. Positive correlations were found between amount of Spiraea cover and percent trees infected (R =.65 to.78; P <.01) and percent branches infected (R =.41 to.74; P <.08). Low correlations were found between disease rates and other associated vegetation. These data show the intensification of Gremmeniella abietina in these plantations has markedly decreased and some plantations are showing signs of recovery.
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© 1984 Martinus Nijhoff/Dr W. Junk Publishers, The Hague
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Carvin, R.P., Manion, P.D. (1984). Five-Year Survey of Scleroderris Canker in Young Red Pine Plantations. In: Manion, P.D. (eds) Scleroderris canker of conifers. Forestry Sciences, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6107-4_24
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DOI: https://doi.org/10.1007/978-94-009-6107-4_24
Publisher Name: Springer, Dordrecht
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