Category: Grapes
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Posted on April 30, 2020
Grape bud swell: watch out for flea beetle and cutworm damage
Spring is finally here and grape buds are starting to swell. Now is the time to start scouting for insects that may hollow out grape […]
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Posted on April 27, 2020
Vineyard Update: Spring Management
Last week we had a great webinar entitled “What to Do Now in the Vineyard – Bud Swell” which is now available on Youtube. We had […]
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Cold Climate Grape Cultivar Developmental Stages: April 24, 2020
At the West Madison Agricultural Research Station (WMARS) in Madison, WI, shoot development across most cultivars ranged between E-L* stage 2 (“Bud scales opening”) and […]
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Posted on April 15, 2020
Early Season Webinar Series for Grape Growers
This season UW-Madison specialists are teaming up with the University of Minnesota Extension folks to offer two webinars follows by a Q&A sessions for grape […]
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Posted on April 12, 2020
Grape Bud Cold Hardiness Report – colder weather forecasted for next week
As spring progress, we have observed a significant loss of cold hardiness in grape buds mostly in the last two weeks. Next week will bring […]
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Posted on March 22, 2020
Grape Bud Cold Hardiness Report
During the last two weeks we have experienced several days with minimum temperatures above freezing (32 °F). These overall warmer temperatures have resulted in deacclimation […]
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Posted on February 19, 2020
Grape Bud Cold Hardiness Report
Bud cold hardiness refers to the ability of buds to survive cold temperatures during the dormant season. To monitor changes in bud cold hardiness, we […]
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Posted on January 25, 2020
Grape Bud Cold Hardiness Report
Bud cold hardiness refers to the ability of buds to survive cold temperatures during the dormant season. When temperatures drop below the critical value that […]
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Posted on October 10, 2019
PARS Grape Fruit Quality
Please find below the fruit quality analysis for grape cultivars collected from the Peninsular Agricultural Research Station on 10/7/19 (PARS). PARS Fruit Chemistry Date Cultivar […]
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Posted on October 9, 2019
PARS Apple maturity update
Maturity levels are still running 6-8 days later than normal due to cool, wet weather. Most apple varieties will require multiple spot pickings due to […]