When apple breeders in New Jersey, Indiana, and Illinois came together in 1926 to form the Purdue-Rutgers-Illinois university collaboration called PRI, their number-one goal was to create new apple varieties that were scab resistant. They did it, too, and about 20 resistant varieties have been released. While several varieties have reached commercial production levels, others are just great choices for backyard gardeners and roadside marketers who want freedom from the tedious problem of repeatedly spraying against apple scab. Some of the variety names reflect this desire: Freedom and Liberty, for example. But about 15 years ago, reports began to come […]
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