ReTain (AVG) is a plant growth regulator that blocks the production of ethylene. When ReTain is applied to apple, several ripening processes are slowed, including preharvest drop, fruit flesh softening, starch disappearance, and red color formation. In order for ReTain to be effective it must be applied well in advance of the climacteric rise in[Read More…]
Apples
August 4, 2018 Hop Harvesting Workshop Crazy horse Hops, LLC, 8875 S Co. Rd. 925W, Knightstown, IN 46148 Contact afthompson@purdue.edu. Register here: http://bit.ly/hopharvest812018 or call 812-349-2575 August 30, 2018 Small Farm Education Field Day Purdue Daniel Turf Center Contact Lori Jolly-Brown, ljollybr@purdue.edu or 765-494-1296 Register here: http://www.cvent.com/d/hgqx6g September 5, 2018 Greenhouse & Indoor Hydroponics Workshop Purdue University, PFEN 1159[Read More…]
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 are often referred to as “stop-drop”[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…]
Glomerella leaf blight seems to be rearing its ugly head. Symptoms include lesions with concentric rings in them that can grow together and give the leaf a blighted appearance (Fig. 1). Leaves may yellow and fall off (Fig. 2) and may appear like Golden Delicious necrotic leaf blotch on a variety of apple cultivars (Fig.[Read More…]
July 17-18, 2018 Indiana Winery and Vineyard Association Summer Meeting Brown County Inn, Nashville, IN Contact https://indianawinevine.org/events to register August 30, 2018 Small Farm Education Field Day Purdue Daniel Turf Center Contact Lori Jolly-Brown, ljollybr@purdue.edu or 765-494-1296 Register here: http://www.cvent.com/d/hgqx6g September 5, 2018 Greenhouse & Indoor Hydroponics Workshop Purdue University, PFEN 1159 & Purdue Horticulture Greenhouse Contact Lori Jolly-Brown[Read More…]
Thanks to all members of the Garwood family and staff who hosted us for the summer field day last week. Growers were inspired by the excellent job Garwoods do with fruit and vegetable production and marketing. The fruit, vegetable and farm marketing industries in the state were well represented, and all in attendance appreciated members[Read More…]
Diseases that affect the twigs, branches, and the main trunk of a tree are referred to as cankers or blights. Canker diseases can be a serious problem in the orchard, vineyard, berry or bramble patch when they are not properly managed, and even when they are. All woody plants can be infected by canker pathogens.[Read More…]