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Creator:: James, Robert L., Genz, Daryl, and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Five fungicides were evaluated to control Botrytis blight of containerized western larch seedlings at the Champion Timberlands Nursery, Plains, MT. Fungicides were applied at biweekly intervals before and after seedling inoculation with Botrytis. Vinclozolin (Ornalin®) caused severe phytotoxicity to seedlings, resulting in enhanced mortality and premature needle loss. Captan and...
Resource Type:: Technical Report
Full Text:: TiNGICIDE TESTS TO CONTROL BOTRYTIS BLIGHT OF CONTAINERIZED WESTERN LARCH AT THE CHAMPION TIMBERLANDS

Creator:: James, Robert L., Dumroese, R. Kasten, Wenny, David Lee, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: . James l , R. K. Dumroese2, D. L. Wenny2 • • • • ABSTRACT Seventeen seedlots of western larch from

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Abstract:: Causes of mortality of containerized western larch seedlings at the Champion Timberlands Nursery, Plains, Montana, were investigated. Seedlings were rated for disease severity based on extent of foliar decline symptoms and fungal isolations made from their roots. Isolations were also made from selected larch seed. Consistent associations between root colonization...
Resource Type:: Technical Report
Full Text:: MORTALITY OF CONTAINERIZED WESTERN LARCH SEEDLINGS AT THE CHAMPION

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Report 87-11 October 1987 CONTAINERIZED WESTERN LARCH SEEDLING MORTALITY, USDA FOREST SERVICE NURSERY

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Abstract:: Needlecast caused by Meria laricis caused serious losses of 2-0 bareroot western larch during 1983 at the USDA Forest Service Nursery, Coeur d'Alene, Idaho. Cool, wet weather throughout the spring and summer of 1983 was ideal for disease buildup and spread. Control attempts with fungicides were largely unsuccessful because of...
Resource Type:: Technical Report
Full Text:: -20 MERIA NEEDLECAST OF WESTERN LARCH SEEDLINGS AT THE USDA FOREST SERVICE NURSERY, COEUR D'ALENE

Creator:: James, Robert L., Woo, John You, Malone, P. L., and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Six fungicides were evaluated to control Botrytis blight of western 41 larch in seedbeds at the Coeur d'Alene Nursery. Fungicides were applied at biweekly intervals during the spring of 1982; test seedlings were inoculated with spores of B. cinerea twice during the evaluation period. Seedling mortality and height were recorded...
Resource Type:: Technical Report
Full Text:: a 51)1144 M9 A3 EVALUATION OF FUNGICIDES TO CONTROL BOTRYTIS BLIGHT IN WESTERN LARCH SEEDBEDS AT

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