Olsen, Jeff

Learn how to properly prune fruit and nut trees for the best production and the easiest harvest. Get tips for apple, pear, cherry, peach, plum, apricot, fig, walnut, hazelnut and chestnut trees. Diagrams and related videos show you exactly how and where to make cuts.

The walnut husk fly, Rhagoletis completa Cresson, can become a serious pest of walnuts throughout the Pacific Northwest. While the larvae of this fly feed directly on walnut husks, their feeding will ...