Effect of inoculum density of Macrophomina phaseolina on seedling susceptibility of six conifer species |
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Authors: | A H McCain R F Scharpf |
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Abstract: | The severity of charcoal root disease of conifer seedlings (Abies concolor, A. magnified, Pinus jeffreyi, P. lambertiana, and Pseudotsuga menziesii) was a power function of the sclerotial density of the fungus (Macrophomina phaseolina) in nursery soil. |
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