Preventing fir coneworm damage to newly grafted Ponderosa Pine
Lindane applied in minute amount (18 mg/free or about 9 gm/acre) to the graft union of newly grafted ponderosa pines provided a high degree of protection from attacks by the fir coneworm (Diorycfria abiefelia). The application takes only a few minutes for each tree, and simple, inexpensive equipment can be used.
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Author(s): Thomas W. Koerber, Bruce Roettgering, Gaylord K. Parks
Publication: Tree Planters' Notes - Volume 27, Number 2 (1976)
Volume: 27
Number: 2