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Monday, July 6, 2015
1- Growing degree days (base 50) since April 1
- Monmouth 1417; 11 year average- 1260
- Perry 1533; 11 year average- 1345
2- Japanese Beetle have been with us for several weeks now. They will feed on over 250 different plants, but do have their favorites. Sevin is a very effective product against the beetle. When you first notice the beetles, take action, as they send out pheromones when feeding begins, letting their buddies know about the feast.
3- High tunnel tomato growers need to be watchful for two spotted spider mites and aphids. Both flourish in a high tunnel as very few predators are present. Examine the underside of leaves for both at routine intervals.
Consult the Midwest Vegetable Production Guide for labeled products. https://www.btny.purdue.edu/Pubs/ID/ID-56/