H. J. Killick

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Solar UV light entering Lodgepole pine,Pinus contorta (Loud.) canopy was measured by radiometer and polysulphone film. It was found to be much attenuated among lower branches and nuclear polyhedrosis virus exposed there was significantly more infective to Pine beauty moth,Panolis flammea (D.+S.) than virus from upper branches. Les ultraviolets solaires(More)
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