Search for tag: "needles"
Root Rots and Needle Casts in Christmas TreesSpeaker: Dr. Gary Chastagner Washington State University Plant Pathologist / Extension Specialist Dr. Chastagner will discuss root rot and needle cast diseases of Christmas trees, their life cycle,…
From William Lindberg
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Balsam Woolly Adelgid and Christmas trees in MichiganSpeaker: Dr. Deborah McCullough, Michigan State University Professor, Forest Entomology Balsam woolly adelgid (BWA) is a serious invasive insect pest that has killed millions of native fir trees in…
From Heidi Lindberg
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Elongate Hemlock Scale Current Management and Novel ControlsElongated Hemlock Scale is a major pest problem in some production areas. Recently, some states have implemented quarantines to prevent the spread of this pest. Presentation will outline current…
From Heidi Lindberg
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