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New Information:Animated MapsAnimated maps that show the progress of this disease through the main hazelnut production areas of the Pacific Northwest from 1958 to 2005 have been developed. A survey map shows the location of infected orchards or nursery stock as they were actually discovered while a biology map shows the same information but modified to when we think infection occurred. You may need to download the newest version of "flash player" and then restart your browser to get the animation to work correctly. Just follow the link on the animated maps page. ANIMATED MAPS Orbit and TiltOrbit and Tilt (propiconazole) have received a registration for use on hazelnuts for the control of eastern filbert blight (EFB) spring 2007. Ground or air applications at 5 to 8 fl oz product per acre are legal. Use every 14 days for a maximum of 4 applications (32 fl oz/A/season) and the last one must not be within 60 days of harvest. Orbit has a 24 hr reentry while Tilt has a 12 hr reentry. The following link has our information on this chemical. ORBIT/TILT When is Bud Break?
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Bud Swelling - Buds scales lengthen and turn
green but leaf tissue not quite visible yet. Bud Break - Green leaf tips begin to poke out of
swollen green buds. Advanced Bud Break - New leaves small, not
unfolded but easily seen. Highly susceptible to the Eastern Filbert Blight
fungus. Early Shoot Growth - First leaves are fully open
and shoots begin to get longer. Tip of shoot points down in a
characteristic manner. Shoot tip still susceptible to Eastern Filbert
Blight fungus. |
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