![]() ![]() The bloom period for WA 38 is late during the bloom period. Lateral flower buds bloom after the terminal buds and in a cool spring many lateral buds will lengthen the time between primary and secondary bloom. A lateral bud forms along the developing shoot at the base of the leaf blade. A terminal, sometimes called the apical bud, is located at the tip of a shoot. Tree fruit have two types of buds, terminal and lateral buds. Laterals can be 40% of the total cluster. WA 38 produces a lot of secondary lateral blooms. It is a reasonably vigorous variety which can be managed with cropping.īloom. It tends to have long branches and produce blind wood near the trunk. ![]() WA 38 is a type 4 tree like a Granny Smith (Figure 1). ![]() Here we will cover growth habit, establishment considerations, training systems, pruning techniques, cropload management, fruit type and fruit quality. WA 38 was patented by WSU and will be sold under the brand name of COSMIC CRISP ®. WA 38 is the result of a cross between ‘Enterprise’ and ‘Honeycrisp’ that was made in 1997 by Washington State University’s apple breeding program. The authoritative record of NPR’s programming is the audio record.By: Stefano Musacchi, Professor, Tree Fruit Physiology and Management Ines Hanrahan, Washington Tree Fruit Research Commission Karen Lewis, Regional Extension Specialist, Tree Fruit Kate Evans, Professor, Horticulture Tianna DuPont, Regional Extension Specialist, Tree Fruit. This text may not be in its final form and may be updated or revised in the future. NPR transcripts are created on a rush deadline by an NPR contractor. Visit our website terms of use and permissions pages at for further information. Thank horticulture professor Kate Evans and her apple-breeding program at Washington State University.Ĭopyright © 2019 NPR. GONYEA: So when you crunch into your first Cosmic Crisp. We're always looking for that next new apple. GONYEA: And that funding helps Evans and her team continue their work.ĮVANS: It is ongoing. Some funding comes back into the university from every tree that is sold but also every box of fruit that's sold as well. Washington State University owns the patent, and Evans says the school has a vested interest in the apple's success.ĮVANS: There is a tree royalty and also a production royalty. GONYEA: It took two decades to go from the initial cross-selection in 1997 until saplings were planted commercially in 2017. I mean, we're talking about genetics, and segregation is exactly the same. GONYEA: The Cosmic Crisp is the result of time-consuming traditional plant breeding.ĮVANS: Gregor Mendel, I'm sure, would absolutely recognize what we're doing. So that's kind of nice - is it keeps its color. And also when you slice it or bite into it, it's very slow to brown. GONYEA: And now, after more than two decades of development, the Cosmic Crisp is finally on its way to consumers.ĮVANS: It's an attractive apple - sort of a darkish red with yellow background - got its name because of the white lenticels on the surface that looked a little bit like stars in the cosmos. She runs the apple-breeding program at Washington State University.ĮVANS: Cosmic Crisp is a extremely crisp and juicy apple, and that's really what hits you when you first bite into it - a good combination of sweetness and tartness. When you release an apple, you have to get the name out there because consumers are purchasing apples by name. KATE EVANS: I can't speak with my mouth full (laughter). GONYEA: The Cosmic Crisp is an actual apple - a cross between the Enterprise and Honeycrisp varieties. But this one you can only find in your supermarket's produce aisle. And it's predicted to fly off the shelves this holiday season. And we've got a couple of minutes now to tell you about a brand-new apple product - one with a multi-million dollar marketing campaign. ![]()
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