This winter was significantly colder than normal in the northern half of Indiana. Many areas north of “I-70” experienced temperatures between -15 and -20˚F in early January. That is cold enough to cause considerable cold injury to grapes, peaches, and blackberries. See the map below for minimum winter temperatures. We have evaluated crops at the…Read more about Determining Winter Injury in Grape Vines[Read More]
Grapes
Indiana Horticultural Congress February 13-15, 2018 Indianapolis Marriott East Indianapolis, IN Contact Lori Jolly-Brown @ljollybr@purdue.edu Visit www.inhortcongress.org for more details
Powdery and downy mildew can develop on grapes in the late season, post harvest. It is important to keep vines as healthy as possible going into winter. With the long fall we are experiencing, downy and powdery mildew are both becoming prevalent in many vineyards. Growers should consider a late season application of fungicides to…Read more about Late Season Leaf Diseases of Grapes[Read More]
Crown gall is a common disease of many perennial plants. It causes fleshy tumors to develop on the plant and usually results in plant death. Grapes are among the most sensitive fruit crop to crown gall. The disease is caused by the bacterium Agrobacterium tumefaciens. This is the same bacterium that is used to genetically…Read more about Crown Gall of Grape Vines[Read More]
There are a number of common grape pathogens that can cause fruit rots each year in the region. Black rot and Phomopsis cane and leaf spot are by far the most common fruit pathogens. We also see Botrytis gray mold on some cultivars in cooler regions and years. Another common rot is Sour rot, but…Read more about Ripe Rot on Grapes[Read More]
Indiana Flower Growers Association Conference October 10, 2017 Daniel Turf Center, Purdue University West Lafayette, IN Contact Lori Jolly-Brown @ljollybr@purdue.edu Indiana Horticultural Congress February 13-15, 2018 Indianapolis Marriott East Indianapolis, IN Contact Lori Jolly-Brown @ljollybr@purdue.edu Visit www.inhortcongress.org for more details
Grape harvest is in full swing across the state. The weather could not be more ideal. Warm sunny days and cool nights are ideal for fruit quality. Lack of major rainstorms is also a plus. This year is almost a complete opposite of 2016, when high temperatures and rain persisted through July and August, causing…Read more about Grape Harvest Continues[Read More]
First it was email, then the internet. That was almost 30 years ago. Today various forms of social media is used by just about everyone. Obviously Facebook and Twitter are much more commonly used than email, and more people text today than make phone calls. But, there is still a place for mail lists. Mail…Read more about Purdue Fruit Grower Mail Lists[Read More]
Hydroponic Workshop II September 8, 2017 Purdue University-HLA Contact Lori Jolly-Brown ljollybr@ purdue.edu Register at http://tinyurl.com/yb4dnwrh Purdue Wine Grape Team Fall Workshop September 25, 2017 Purdue West Lafayette campus Contact Jill Blume blume@purdue.edu Indiana Horticultural Congress February 13-15, 2018 Indianapolis Marriott East Indianapolis, IN Contact Lori Jolly-Brown @ljollybr@purdue.edu Visit www.inhortcongress.org for more details