Stimulation of pine oleoresin flow by fungus inoculation
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Since the early 1930’s it has been known that application of certain chemicals to tapping surfaces on pine trees will stimulate the flow of oleoresin, and industrial use of a 50% sulphuric acid spray for this purpose is increasing. Now, investigations, discussed here, indicate that some stimulation may be achieved by inoculation with a fungus.
KeywordsBark Economic Botany Fungus Inoculation Cumulative Yield Pitch Canker
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