Almost
95% of the growers in the EGVM treatment area in Napa County have picked up
their Isomate pheromones and are in the process of deploying them in the
field. These should be placed at 200 per acre above the fruiting area, in
an area that will get some shade during the season. These should be
applied immediately as the projected first flight for EGVM has started based on
the degree day model, even though no moths have been caught yet in any traps in
the county. These pheromones will last all season so there is no danger
of applying them too early. If you have any material left over after
your application, please return them to the Agricultural Commissioner's office
or let me know and I can pick them up directly from you. Also, please
report this application on your monthly pesticide use report. The
pheromone application should be reported as 1.94 oz/ac or 200
dispensers/a.
If
you have not picked up your material yet it is still available at the Ag Supply
(Wilbur-Ellis) in St. Helena. For growers with 2 acres or less you can pick
your material up at the Agricultural Commissioners office.
The
first spray applications should not be applied until just prior to bloom.
For most growers this will be sometime in May. More details on this
later.
Martin
Mochizuki
707-975-2133
707-252-9218
fax
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