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Keeping Quality Forecast
2013 FINAL KEEPING QUALITY FORECAST
The Keeping Quality Forecast for June 2013 is for VERY POOR keeping quality.
We calculated 2 of a possible 16 points to arrive at this forecast. We were awarded 1 point for February sunshine hours and 1 point for April precipitation.
What does this mean? If you take no steps to manage fruit rot disease, you could end up with a high incidence of fruit rot at harvest and particularly during storage of the fruit. Inoculum produced during the current growing season might exponentially increase during the following year, meaning that more fungicide applications will be required to reduce the inoculum load for subsequent crops. Careful disease management this season can overcome this prediction.
This is a year that you should definitely not reduce your fungicide rates and/or the number of fungicide applications. If you have a bed that had late water held this spring, you can still reduce your fungicide inputs in spite of the forecast.
If you have any questions, you can call me at 774-238-0698 or email me at firstname.lastname@example.org if you have any specific questions or concerns about a particular bed. I'll be driving cross-country from July 3-9, and I'll be moving westward in time zones, concluding in the Pacific Zone (3 hours difference).
Frank L. Caruso, Extension Plant Pathologist
2013 PRELIMINARY KEEPING QUALITY FORECAST
As of April 1, there is only 1 point out of a possible 10 that favor keeping quality for the 2013 Massachusetts
cranberry crop. The sole point was awarded for favorable sunshine hours in February. Consequently, the
forecast is for POOR keeping quality. The final keeping quality forecast (issued after June 1) could be
upgraded if we have a cool and dry April and May. Based on the present forecast, fungicide applications and
the rate of fungicides applied should NOT be reduced, and close attention should be paid where fruit rot has
been a major or regular concern.
This should be a good year for holding late water because we have had a more typical winter, avoiding severe
temperatures along with adequate water for the winter flood and sufficient snow cover over long stretches of
time. Minimal ice sanding was done this winter due to a lack of sufficient ice thickness beyond a few days.
Sanding is one of the best cultural control strategies, as it covers overwintering inoculum, so the lack of
sanding resulted in a minimal reductive effect. At any rate, expect the worst regarding fruit rot in what appears
to be a much more typical growing season than we had in 2012. If you have any questions, please contact me
(extension 18) or Carolyn (extension 25).
UMass Cranberry Station • 1 State Bog Road, PO Box 569, East Wareham, MA 02538 • email@example.com • 508-295-2212
The UMass Cranberry Station is part of The College of Natural Sciences.