. Agri-news. Agriculture. 5 ^. FOREST TENT CATERPILLAR EGG-BAND SURVEYS IN CENTRAL ALBERTA Predicted Aspen Defoliation Levels, 1980: ? HIGH • MODERATE A LOW ? NIL Results of a recent survey carried out by the forest insect and disease staff of the Canadian Forestry Service in Edmonton indicate there will be areas of aspen defoliated by the forest tent caterpillar (Malacosoma disstria) this year. Although locations will be similar to those of 1979, the severity of defoliation is expected to be less, and generally more spotty than last year. The general area of the province surveyed exten
. Agri-news. Agriculture. 5 ^. FOREST TENT CATERPILLAR EGG-BAND SURVEYS IN CENTRAL ALBERTA Predicted Aspen Defoliation Levels, 1980: ? HIGH • MODERATE A LOW ? NIL Results of a recent survey carried out by the forest insect and disease staff of the Canadian Forestry Service in Edmonton indicate there will be areas of aspen defoliated by the forest tent caterpillar (Malacosoma disstria) this year. Although locations will be similar to those of 1979, the severity of defoliation is expected to be less, and generally more spotty than last year. The general area of the province surveyed extends from Rocky Mountain House to Stettler, north and west to Athabasca, Lesser Slave Lake, Peace River, Fairview and Grande Prairie, and west of Edmonton to Edson. The survey method involved selecting nu - (cont'd) - Tflbena AGRICULTURE Phone (403) 427-2127 Communications Division. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Alberta. Alberta Agriculture. Communications Branch; Alberta. Alberta Agriculture. Print Media Branch; Alberta. Alberta Agriculture, Food and Rural Development. Publishing Branch. [Edmonton] : Communications Branch, Alberta Dept. of Agriculture
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Keywords: ., bookcentury1900, bookleafnumber45, booksubjectagriculture, janapr
