Some Thoughts on the Origin of Certain Spur-Type Mutations of Apple in the State of Washington
DOI:
https://doi.org/10.71318/apom.1969.23.3.56Abstract
The severe freeze of 1955 killed a large number of apple trees in Washington. The freeze damage was particularly severe on young trees, trees in a high state of vigor. In this condition, nursery trees died as well as trees in the orchard.
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