needle cast


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Noun1.needle cast - a disease of conifers causing the needles to fallneedle cast - a disease of conifers causing the needles to fall
leaf blight - any blight causing a browning and falling of the leaves of a plant
References in periodicals archive ?
A: Over the past five or six years, I have seen a major outbreak of Rhizos-phaera needle cast disease, and blue spruce seems to be the most susceptible.
Pathogens such as Swiss needle cast and red band needle blight are also taking their toll on trees.
The shortfall was due in part to an infestation called Swiss needle cast that unexpectedly slowed the growth of conifer plantations.