2001
DOI: 10.1080/07060660109506923
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Inoculation ofPopulus tremuloideswithPollaccia americana

Abstract: Disease resistance may represent the best approach for controlling shoot blight, caused by Pollaccia americana Ondrej, in aspen (Populus tremuloides Michx.) plantations. Experiments were conducted to develop methods for screening for resistance under greenhouse conditions. Chickpea agar supported abundant inoculum production. An inoculum concentration of 5 × 10 4 spores/mL and a seedling age of 5-9 weeks were appropriate for evaluating infection. Infection severity was not correlated with tree height or leaf n… Show more

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Cited by 3 publications
(1 citation statement)
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“…Most P. americana stem infections occur between the uppermost first and third leaves (Blenis and Chow 2001). Typically, necrosis eventually extends farther down the shoot from the point of infection, most likely because of a small amount of downward growth of the pathogen combined with continued shoot growth between the time of infection and shoot necrosis.…”
Section: Discussionmentioning
confidence: 99%
“…Most P. americana stem infections occur between the uppermost first and third leaves (Blenis and Chow 2001). Typically, necrosis eventually extends farther down the shoot from the point of infection, most likely because of a small amount of downward growth of the pathogen combined with continued shoot growth between the time of infection and shoot necrosis.…”
Section: Discussionmentioning
confidence: 99%