The temperature data shown in Figure 1 will come as no surprise to anyone. This spring we had a very early warm period, much earlier than anytime this decade and even earlier than 2012. This started in mid February and continued for a couple of weeks. Thankfully since the start of March, we returned to[Read More…]
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Spring freeze damage can be a significant economic problem for Midwest grape growers. Widespread damage occurred in 2007 and 2012 when warm temperatures in March were followed by freezing temperatures in April. Obviously this year we have had a very warm February, but more normal March. So far it looks like bud swell is on[Read More…]
Wine Grape Team Spring Workshop April 13, 2017 Belgian Horse Winery Middletown, IN For further information contact Jill Blume at blume@purdue.edu Indiana Horticultural Society Field Day June 28, 2017 Tuttle Orchard Greenfield, IN More details to come but mark the date on your calendar and plan to attend Indiana Horticultural Congress February 13-15, 2018 Indianapolis Marriott East Indianapolis, IN For further[Read More…]
Managing Mites in a BMSB World For several decades, apple growers in Indiana and elsewhere in the Midwest have used a highly effective system to manage European red mites that is based on conservation of the predatory mite, Amblyseius fallacis, along with timely applications of either preventive or rescue miticides. The rationale behind this approach[Read More…]
March is a good time to finish pruning summer-bearing brambles. Last years fruited canes should be removed now if they were not removed last summer or fall. Remove weak or spindly floricanes and thin to 4-6 canes per foot of row. Laterals on blackberries and black raspberries should be shortened to about pencil diameter on[Read More…]
Anthracnose, caused by Elsinoe veneta, is a common fungal disease of brambles. It is mainly a problem on black raspberries and some blackberries. It is much less common on red raspberries. Most modern thornless blackberries (Apache, Triple Crown, Osage, Ouachita, etc) are resistant to anthracnose. However, if you grow a susceptible variety, is is important[Read More…]
Following a very early warm-up, temperatures cooled off the middle of March slowing crop development and bringing us back closer to normal. In southern areas, peaches are in full bloom, but only just showing a little pink in more northern areas. Apples are still in tight cluster and probably at least 10 days from full[Read More…]
The proper time to remove straw from matted row strawberries is when the bare-soil temperature at 4 inches averages about 40-43˚F. This usually coincides with mid to late March in central Indiana. This year is earlier than average with soil temperatures well into the 50s in early March, but they dropped back below 40 during[Read More…]
Spring is in the air, and soon, ascospores, basidiospores, and conidia will be as well–Now is the time for disease management! Not sure what to spray or when to spray it? There is always the Midwest Fruit Pest Management Guide, available at: https://ag.purdue.edu/hla/Hort/Documents/ID-465.pdf For those of you who would like a different approach and layout,[Read More…]
We have just finished harvesting Pixie crunch from our plantings at the Purdue Meigs farm and 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 a planting[Read More…]
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