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Filtering by: Subject Lophodermium -- Idaho -- Coeur d'Alene Subject Ponderosa pine -- Diseases and pests -- Idaho -- Coeur d'Alene

Needle tip dieback of ponderosa pine seedlings at the Coeur d'Alene Nursery, Idaho

Creator:

James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management

Abstract:

Needle tip dieback of 2-0 ponderosa pine seedlings at the Coeur d'Alene Nursery was investigated. Organisms associated with dieback symptoms were identified and infected trees were transplanted to determine disease effects on survival. The major fungus colonizing necrotic needles was Lophodermium nitens, a close associate of L. pinastri. The fungus...

Resource Type:

Technical Report

Full Text:

not currently warranted at the Coeur d' Alene Nursery. If the disease becomes more noticeable with