Browse
Export 2 results:
Filters: Keyword is Trees -- Diseases and pests and Author is Hay, Ronald L [Clear All Filters]
Status of the Balsam Woolly Aphid in the Great Smoky Mountains National Park --- 1976 In Management Report. Gatlinburg, TN: Uplands Field Research Laboratory, 1976.
Investigations of Balsam Woolly Aphid-Fraser Fir Interaction: Feeding Site Characteristics and Wound Response. Knoxville, TN: The University of Tennessee, 1985.