Apples


In Indiana, our ‘normal’ or average weather is one of extremes, punctuated with an occasional glorious summer day of sun and 76 degrees F.  This year has been one of flooding and droughts, freezes and scorching heat. Again. With these weather extremes come physiological disorders and summer fruit rots, for those lucky enough to even…Read more about Pits, Spots and Rots[Read More]



The Spotted Lanternfly is an invasive planthopper native to East Asia. It was introduced to the US in 2014 in Eastern Pennsylvania and has since spread to 13 other states including Indiana. The Spotted Lanternfly has 70+ host species including the invasive Tree of heaven (Alianthus altissma), grapes, apples, stone fruit, vegetables, hops, walnuts and…Read more about Keep an Eye out for Spotted Lanternfly[Read More]


Making the decision on when to harvest can be a very tricky and complicated issue.  The longer you intend to store the fruit, the more precise your timing needs to be.  For summer apples, most growers only intend to store fruit until their higher quality fall apples come on stream, so storage times beyond a…Read more about Determining apple maturity[Read More]


Control Of Preharvest Drop with NAA: Preharvest drop refers to the process where fruit fall from the tree prior to harvest. Not all apple varieties are affected, but with some, such as McIntosh and Pristine, pre-harvest drop can be extreme. Several growth regulator materials are available to growers to help reduce pre-harvest drop. These materials…Read more about Control Of Preharvest Drop with NAA[Read More]




With increasing rains and extremely hot weather, this is a reminder that bitter rot weather is in full swing (along with black rot, white rot, sooty blotch and flyspeck!). Caused by fungi in the genus Colletotrichum, bitter rot thrives during warm, wet conditions, especially weather events that maintain fruit wetness for 8-12 hours, due to…Read more about Bitter Rot[Read More]



There are so many different kinds of insects, but we often focus on the ones that cause damage (for obvious reasons). However, there are many beneficial, predatory insects you can be on the lookout for in your fruit plantings! These insects can be seen throughout the season, attacking aphids, mealybugs, caterpillars, mites, and even scale…Read more about Do you know your beneficial insects in fruit plantings?[Read More]


Page last modified: June 22, 2023

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