Characterization of the short needle phenomenon in red spruce
Red spruce trEES (Picea rubens Sarg.) occasionally produce short twigs bearing short needles. The frequency of short needle cohorts is positively correlated with both elevation and defoliation and they are found in greater numbers on trees that regularly experience winter injury. Short needles are s...
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Veröffentlicht in: | American journal of botany 1994-04, Vol.81 (4), p.461-465 |
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Sprache: | eng |
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