{"id":110,"date":"2014-05-16T08:05:56","date_gmt":"2014-05-16T12:05:56","guid":{"rendered":"http:\/\/blog.uvm.edu\/fruit\/?p=110"},"modified":"2014-05-21T21:22:53","modified_gmt":"2014-05-22T01:22:53","slug":"bud-break-in-grapes","status":"publish","type":"post","link":"https:\/\/blog.uvm.edu\/fruit\/2014\/05\/16\/bud-break-in-grapes\/","title":{"rendered":"Bud Break in Grapes"},"content":{"rendered":"<p>May 16, 2014<\/p>\n<p>At the UVM Vineyard in South Burlington, VT, we are just coming into bud break. This gives us a good chance to make an initial assessment of bud damage from this past winter&#8217;s cold events. It&#8217;s still a but early to start a thorough shoot thinning, since a lot can happen and many shoots that break from secondary or tertiary buds may not be fruitful. But this is a good time to clean up your vines if you rough-pruned and left a generous bud count like we did. Extra canes that were kept for insurance in the event of cordon death can be removed if the cordon looks good, or laid down to form develop a new cordon if it doesn&#8217;t. Vines with trunk injury may still leaf out at this time, the damage is more apparent in a few weeks when the developing growth requires water and nutrients beyond those that were stored in vine tissues over the winter.<\/p>\n<p class=\"jetpack-slideshow-noscript robots-nocontent\">This slideshow requires JavaScript.<\/p><div id=\"gallery-110-1-slideshow\" class=\"jetpack-slideshow-window jetpack-slideshow jetpack-slideshow-black\" data-trans=\"fade\" data-autostart=\"1\" data-gallery=\"[{&quot;src&quot;:&quot;https:\\\/\\\/blog.uvm.edu\\\/fruit\\\/files\\\/2014\\\/05\\\/fdhdicib.jpg&quot;,&quot;id&quot;:&quot;112&quot;,&quot;title&quot;:&quot;fdhdicib&quot;,&quot;alt&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;itemprop&quot;:&quot;image&quot;},{&quot;src&quot;:&quot;https:\\\/\\\/blog.uvm.edu\\\/fruit\\\/files\\\/2014\\\/05\\\/djcadgic.jpg&quot;,&quot;id&quot;:&quot;113&quot;,&quot;title&quot;:&quot;djcadgic&quot;,&quot;alt&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;itemprop&quot;:&quot;image&quot;},{&quot;src&quot;:&quot;https:\\\/\\\/blog.uvm.edu\\\/fruit\\\/files\\\/2014\\\/05\\\/edjbdcca.jpg&quot;,&quot;id&quot;:&quot;114&quot;,&quot;title&quot;:&quot;edjbdcca&quot;,&quot;alt&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;itemprop&quot;:&quot;image&quot;},{&quot;src&quot;:&quot;https:\\\/\\\/blog.uvm.edu\\\/fruit\\\/files\\\/2014\\\/05\\\/bbfhifgd.jpg&quot;,&quot;id&quot;:&quot;111&quot;,&quot;title&quot;:&quot;bbfhifgd&quot;,&quot;alt&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;itemprop&quot;:&quot;image&quot;}]\" itemscope itemtype=\"https:\/\/schema.org\/ImageGallery\"><\/div>\n<p>This is a good time to remove what I call &#8216;nubs&#8217;, those little spur lengths beyond the last retained node that breaks bud. These dead wood pieces can harbor disease inoculum, especially <em>Phomopsis<\/em>, and do you no good in the vineyard.<\/p>\n<p>Speaking of disease, it&#8217;s time to start thinking about your disease management program if you haven&#8217;t already. Growers should have fungicide coverage to protect against <em>Phomopsis<\/em>, Black Rot, and Downy Mildew by the 5-8&#8243; shoot growth stage, which will be too far off. Get your sprayers calibrated, start ordering materials, and start to plan your season. My predecessor Dr. Lorraine Berkett&#8217;s\u00a0 <a href=\"http:\/\/www.uvm.edu\/%7Efruit\/grapes\/gr_ipm\/AnInitialIPMStrategy.pdf\">Initial IPM Strategy for Cold Climate Grapes is still a great first step, and the archived\u00a0 Northern Grapes Project 2012 Webinar <span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"660\" height=\"372\" src=\"https:\/\/www.youtube.com\/embed\/2Bc5vdsjbI0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>&#8221; by Drs. Patty McManus and Wayne Wilcox is another great resource for helping you get up to speed.<\/p>\n<p><em>Terence Bradshaw, UVM Tree Fruit and Viticulture Specialist<\/em><\/p>\n<p>Where trade names or commercial products are used for identification, no discrimination is intended and no endorsement is implied.<br \/>\nAlways read the label before using any pesticide.<br \/>\n<strong>The label is the legal document for the product use.<br \/>\nDisregard any information in this newsletter if it is in conflict with the label.<\/strong><\/p>\n<p>The UVM Tree Fruit and Viticulture Program is supported by the University of Vermont Agriculture Experiment Station, a USDA NIFA E-IPM Grant, and USDA Risk Management Agency Funds.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>May 16, 2014 At the UVM Vineyard in South Burlington, VT, we are just coming into bud break. This gives us a good chance to make an initial assessment of bud damage from this past winter&#8217;s cold events. It&#8217;s still a but early to start a thorough shoot thinning, since a lot can happen and &hellip; <a href=\"https:\/\/blog.uvm.edu\/fruit\/2014\/05\/16\/bud-break-in-grapes\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Bud Break in Grapes<\/span><\/a><\/p>\n","protected":false},"author":2068,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[],"tags":[109235,36708],"class_list":["post-110","post","type-post","status-publish","format-standard","hentry","tag-grape","tag-ipm"],"jetpack_publicize_connections":[],"featured_image_src":null,"featured_image_src_square":null,"author_info":{"display_name":"fruit","author_link":"https:\/\/blog.uvm.edu\/fruit\/author\/fruit\/"},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4nZlV-1M","_links":{"self":[{"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/posts\/110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/users\/2068"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/comments?post=110"}],"version-history":[{"count":5,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/posts\/110\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/posts\/110\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/media?parent=110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/categories?post=110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.uvm.edu\/fruit\/wp-json\/wp\/v2\/tags?post=110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}