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]
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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]
Fruit rots continue to pose a problem for those of us in the wetter parts of the state. Frequent rains and warm temperatures really set the stage for bitter rot, black rot, white rot, and even brown rot. Any rain event that produced more than 2” of rain would remove the majority of fungicide, meaning…Read more about Fruit Rots[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
Apple harvest continues and apples are still running about a week ahead of normal. A higher than usual amount of stem-end cracking is showing up. Fruit showing these cracks should be sold first and are not suitable for long-term storage. Grape harvest is winding down with only the latest varieties left. Primocane blackberry and raspberry…Read more about Crop Conditions[Read More]
I’ve said it before and I’m saying it again – Pixie Crunch is a no-brainer for retail orchards. The more I see this apple, the more I like it. Although we think of this as a relatively new apple, the original cross was made 45 years ago at Rutgers University and it was selected from…Read more about Pixy Crunch Apple[Read More]
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]
In 1907, Thomas Burrill wrote that regarding bitter rot, “There was nothing to do but to helplessly submit to the inevitable.” However, he continued and stated “that what formerly seemed incomprehensible is easily understandable.” Some key points he touches on regarding the management of bitter rot are weather conditions and sanitation. Obviously, there is little…Read more about Bitter Rot[Read More]
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