Category: IPM
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Favorable spray conditions May 17
May 17, 2014 For growers who need to cover their orchards for the apple scab or fire blight infection periods that occurred during this last round of rain, today looks like a good spray day with generally low wind speeds (as always check your conditions on your farm before listening to me). Winds look to…
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Apple Pink and Bloom time considerations for Vermont
May 15, 2014 By now most orchards in the Champlain Valley should be at full pink, and a few blossoms were observed open today at the UVM Hort Research and Education Center in South Burlington. This is a critical time for management activities in the orchard, so here goes: We are still in a high…
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Fire Blight Alert
May 13, 2014 The orchards at the UVM Horticulture Research and Education Center are at open cluster to early pink, and some blooms are expected by the end of the week. NEWA fire blight models are predicting high to extreme risk for fire blight in the next four days for all sites in Vermont except…
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May Northern Grapes Newsletter
May 5, 2014 News You Can Use Grape Disease Management Anthracnose on grape berries. (Photo: Patty McManus) Every experienced grape grower knows that good disease management program is a crucial component of growing high-quality grapes. Early season control is especially important, as flowers and small berries are quite susceptible to powdery mildew, downy mildew,…
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Vermont Apple IPM week of 5/5
May 5, 2014 All orchards in the state experienced extended apple scab infection periods from April 30 through today. Depending on your site, you may have had a break in the infection period from May 1-2, but for all intents and purposes, this was one that you needed to be covered for. If coverage was…
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Cutworms and flea beetles in vineyards
April 30, 2014 Monitor vineyards for cutworms and flea beetles during bud swell growth stage Time spent monitoring vineyards for cutworms and flea beetles can avoid costly pest damage. Posted on April 29, 2014 by Rufus Isaacs, Michigan State University Extension, Department of Entomology Bud swell of grapes is being reported in Southwest Michigan, and…
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Scab Management 4/27-29
April 27, 2014- Anyone who had exposed green tissue on apples yesterday likely saw an apple scab infection period. This is also looking like a cool and wet week ahead, so more infection periods are likely. It looks like the best window for spray applications with low winds will be tonight, April 27, from dusk…
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Green tip apple scab management
April 24, 2014 Orchards in most areas of the state should be showing green tip now, and that means that protection is required to manage apple scab. Many orchards are going into this season with high overwintering inoculum as a result of the wet 2013 growing season, and growers need to be vigilant to manage…
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Silver tip, copper, oil, and cold temperatures
April 19, 2014 Terence Bradshaw, UVM Tree Fruit and Viticulture Specialist By the time I check the UVM orchards on Monday, I expect we’ll be seeing silver tip on many cultivars. By Friday 4/18, I called Empire and Macoun at silver tip, but most others were still looking tight, although buds were swelling on everything.…
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Early season apple disease management
April 9, 2014 Terence Bradshaw, UVM Tree Fruit and Viticulture Specialist Spring looks to be here, as temperatures are gradually warming up, or at least staying out of the frigid zone. At the UVM Hort Farm, trees are still dormant, although I’ve seen a little swelling on Empire and Macoun. Still, green tip looks to…