3 tulemused
Concentrations of 4 chlorinated hydrocarbons, C2H3Cl3 (1,1,1-trichloroethane), CCl4 (tetrachloromethane), C2HCl3 (trichloroethene) and C2Cl4 (tetrachloroethene) have been measured in needles of Scots pine (Pinus sylvestris L.) growing close to two industrial sites and in a rural area in northern
In Portugal, the pine black sawyer Monochamus galloprovincialis is the principal vector of the pinewood nematode, Bursaphelenchus xylophilus, the causal agent of pine wilt disease (PWD), a lethal phyopathogen with major ecological and economic consequences to European forestry. The aim of this study
In laboratory bioassays, males of Matsucoccus resinosae from Pinus resinosa in New York and Matsucoccus n. sp. from Pinus thunbergiana in Korea were strongly attracted to crude hexane extracts of M. resinosae females, and M. resinosae males responded strongly to extracts of Matsucoccus n. sp.