Ask Dr. Universe podcast explores apple breeding and the science behind new varieties

An illustration of Dr. Universe thinking about a red apple and a green apple falling in love.
WSU horticulturist Kate Evans helps Dr. Universe explain how apple breeders are able to create new varieties (composite featuring illustrations by ppdesign and schab on Adobe Stock).

The latest episode of the Ask Dr. Universe podcast takes listeners inside the world of apple breeding with Washington State University horticulturist Kate Evans. In the episode, Evans explains how scientists create new apple varieties, why bees play a critical role in the process, and what it takes to develop apples such as Cosmic Crisp® and Sunflare™.

Listeners learn how apple breeders carefully transfer pollen between selected trees to create new combinations of genes, then evaluate thousands of seedlings over many years to identify varieties with desirable traits. Evans also explains why planting seeds from a favorite apple will not produce the same fruit and how breeders work to improve flavor, storage life, and growing characteristics.

The episode also explores Evans’ career as a scientist, including her current research on helping apples withstand heat and sunburn. She shares advice for young people interested in science and describes the excitement of seeing thousands of new apple seedlings emerge each spring.

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