June 21, 2016
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By Terence Bradshaw As we settle into summer, it’s time to shift our focus from weekly scab management to insects, and one disease in particular. Codling moth (CM) trap captures around the state declined last week, which indicates that the … Continue reading
June 21, 2016
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By Terence Bradshaw By now, you should have thinned shoots down to 4-6 per foot of cordon length, and spaced them evenly through the canopy. Growing shoots are beginning to lignify at the base, which makes combing possible (and timely). … Continue reading
June 14, 2016
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By Terence Bradshaw The near-daily rain the past week hasn’t amounted to much accumulation, so any protective fungicides applied during the narrow low-wind window of June 10-11 are likely still present on the surface of leaf tissues. However, plentiful moisture … Continue reading
June 13, 2016
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By Terence Bradshaw After the past week of rain I expect any remaining apple scab ascospores to have been released. Maintain fungicide coverage through the next week or so, and check orchards methodically for scab lesions to determine if you’re … Continue reading
June 8, 2016
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By Terence Bradshaw Note: because I still cannot get my email program to post photos to this listserv, there will be references to pictures in the message below but nothing there. Growers who are very familiar with early fire blight … Continue reading
June 6, 2016
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By Terence Bradshaw This joint apple/grape notice is in reference to the amount of rain that fell Sunday. Rainfall amounts at all NEWA stations in Vermont were between one and two inches, and closer to the latter. Most pesticides can … Continue reading
June 3, 2016
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By Terence Bradshaw Vines are growing rapidly in Vermont, we have shoots over 16” in the UVM vineyard, and we will be approaching the ‘immediate prebloom’ period when phomopsis, black rot, powdery mildew, and downy mildew are al active. Rain … Continue reading
June 3, 2016
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By Terence Bradshaw June 3, 2016 By now all orchards should be past petal fall and many fruit are sizing up into the 10 mm range. There are a number of factors to consider in the week ahead. Rain is … Continue reading
June 2, 2016
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By Terence Bradshaw http://northerngrapesproject.org/wp-content/uploads/2016/06/June-2016-News-You-Can-Use-Disease-and-Insect-biology-and-management.pdf News You Can Use Grape Disease, Insect, and Mite Control and Biology June 2016 A single grape phylloxera leaf gall (left), with the side of the gall opened to show adult female and many yellowish eggs … Continue reading
May 28, 2016
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By Terence Bradshaw Apologies if pictures don’t come through in this message, attached photos may be found in the corresponding blog post: http://blog.uvm.edu/fruit/2016/05/28/vineyard-management/ Grapes are moving fast in Vermont vineyards, with most cultivars in the UVM vineyard at about 3” … Continue reading