Tree Fruit

WSU’s new tool for precise pollination could transform decisions for apple growers

To grow apples, we need bees. Apple growers depend on the humble honey bee to pollinate their crops, but there’s a delicate balance between hives, flowers and fruit. Bees fertilize apples by flying from flower to flower, feeding and distributing pollen. If bees don’t pollinate enough flowers, growers are left with a miniscule crop, but […]

A bee lands on a pink and white apple blossom in an orchard.

WSU researchers test nanocrystals to prevent frost damage in tree fruits

By Maegan Murray, WSU Tri-Cities RICHLAND, Wash. – Groundbreaking nanotechnology designed to protect cherries, apples and other popular fruits from frost damage is showing positive results in tests by Washington State University researchers. The research team recently received a $500,000 grant from the U.S. Department of Agriculture’s National Institute of Food and Agriculture to develop […]

Red ripe berries of sweet cherries on a branch close-up on blurred background of green leaves and brick wall on a sunny summer day. Selective focus

Student researcher seeks roots of apple resistance to fire blight

Named for the crooked, blackened branches it leaves behind, fire blight can wreck entire Northwest apple orchards in a single season. Growers depend on antibiotics to keep the fire blight bacteria, Erwinia amylovora, in check, but the pathogen has already developed resistance in many growing areas. It’s only a matter of time before antibiotics won’t […]

Student entomologist stalks predators to save Washington apples

White, fuzzy, and about the size of a pencil tip, the woolly apple aphid is a persistent pest in Northwest apple orchards, harming trees and shrinking apple harvests. Robert Orpet, doctoral student at Washington State University’s Tree Fruit Research and Extension Center, knows that farmers have a hard time getting rid of this tiny pest. […]

Robert Orpet in an orchard with a cardboard earwig trap

WSU announces the name for its stellar new apple

PULLMAN, Wash.— The newest Washington State University apple, designated WA 38, is one step closer to hitting supermarkets with announcement of its brand name, Cosmic Crisp. The name was chosen after an extensive process led by Carolyn Ross, associate professor in the WSU School of Food Science. “It was quite a process,” she said. “I […]