S. W. PorrittPomology Section, Agriculture Canada Research Station, Summerland, BC. VOH 1Z0, Canada
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P. D. Lidster
P. D. LidsterPomology Section, Agriculture Canada Research Station, Summerland, BC. VOH 1Z0, Canada
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Contributor Notes
Received for publication April 4, 1978. Contribution No. 430.
The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regulations, this paper must therefore be hereby marked advertisement solely to indicate this fact.