Скачать с ютуб Management options for control of hemlock woolly adelgid. в хорошем качестве

Management options for control of hemlock woolly adelgid.

Management options for control of hemlock woolly adelgid. Hemlock Woolly Adelgid (HWA) continues its spread in New York and the Northeast, responsible for the mortality of countless hemlock trees. With milder winters, population growth has been rapid and HWA has been found moving into some of the colder and more hemlock dense forests of the Adirondacks. Management with insecticides continues to be effective and is being commonly used to protect high value hemlock forests. Silviculture is being investigated, but with equivocal results. Long term and area wide HWA management depends on the effective implementation of classical biological control with predators from the Pacific Northwest. This webinar will address the current state of HWA management efforts and the progress being made to implement biological control. Presented November 16, 2022 by Mark Whitmore, Cornell University, Director NYS Hemlock Initiative.