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Bibliothekskatalog
- Schlagwort: Hylastes nigrinus
4 Treffer
- 1Root-Colonizing Insects Recovered from Douglas-Fir in Various Stages of Decline Due to Black-Stain Root Disease
J.J. Witcosky; Harry Hansen1985 - 2Activity of Hylastes nigrinus, a Vector of Verticicladiella wageneri, in Thinned Stands of Douglas-Fir
T.C. Harrington; F.W. Jr. Cobb; J.W. Lownsbery1985 - 3The influence of time of precommercial thinning on the colonization of Douglas-fir by three species of root-colonizing insects
J.J. Witcosky; T.D. Schowalter; Harry Hansen1986 - 4Root Beetles, Stand Disturbance, and Management of Black-Stain Root Disease in Plantations of Douglas-fir : Insects Affecting Reforestation. Biology and Damage
Jeffrey J. Witcosky1989