Purdue Wine Grape Team’s 2016 Spring Workshop May 4, 9:00 am. Holtkamp Winery, 10868 Woliung Rd, New Alsace, 47041, Rettig Hill Winery & Vineyard, 2679 E State Road 350 Osgood, IN 47037 Due to limited class size, advance registration and fees are required. Registration fee $50 per person and includes lunch.Make checks payable to Purdue[Read More…]
Purdue University is pleased to offer Indiana fruit and vegetable farmers a farm walk-through with a private food safety consultant. This opportunity is open to any farm that sells fresh produce and has attended a produce safety educational program. A consultant paid by Purdue will visit your farm to walk through and address your specific[Read More…]
The 2016 Midwest Fruit Pest Management Guide (ID-465) is available for purchase from the Purdue Education Store. This publication replaces two previous annual publications: The Midwest Tree Fruit Spray Guide (ID-168) and The Midwest Small Fruit and Grape Spray Guide (ID-169). This guide provides pest management recommendations for commercial tree fruit, small fruit, and grape[Read More…]
A number of growers have experienced increasing problems with woolly apple aphids over the last several seasons. Part of the reason for the increased populations may be related to the changing spectrum of insecticides you are using to control other pests. Our experience has been that many of the aphicides that are available that provide[Read More…]
Management of European red mites is a continual process. Decisions made throughout the growing season will affect your mite populations. Outlined here are steps that can help with mite management. For a more complete explanation, please see the following publication: https://extension.entm.purdue.edu/publications/E-258.pdf. Put on a timely Superior oil spray. See the article above. Conserver predator[Read More…]
One of the first and most important parts of a good insect and mite management program is the application of an early season oil spray to control European red mites, San Jose scale, and several species of aphids. Scales overwinter on the tree as nymphs and European red mites and aphids overwinter as eggs. Because[Read More…]
One way insects communicate with individuals of the same species is with pheromones. Pheromones are volatile chemicals released by an insect that usually can be detected only by individuals of the same species. There are a number of different types of pheromones, but the most common type is the sex pheromone. Usually the females will[Read More…]
Ascospore release is timed to optimize infection, which happens around tight cluster through petal fall. This is when all the fun really begins: Ascospores are at their peak and ejecting, and apple tissue is expanding, providing a larger, susceptible canopy that spores can hit. That excellent timing is the poetry of evolution in motion. Other[Read More…]
There has been some talk about the use of promalin to help overcome the damaging effects of freezing temperatures. Only a small amount of research has been conducted on this. Dr Steve McArtney showed that promalin applied after damaging freeze events could increase parthenocarpic (seedless) fruit development. Keep in mind this was only shown to[Read More…]
Purdue University prohibits discrimination against any member of the University community on the basis of race, religion, color, sex, age, national origin or ancestry, genetic information, marital status, parental status, sexual orientation, gender identity and expression, disability, or status as a veteran. This material may be available in alternative formats. 1-888-EXT-INFO Disclaimer: Reference to products in this publication is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in this publication assumes full responsibility for their use in accordance with current directions of the manufacturer.