Winter Hardiness of Apricot Varieties in British Columbia
DOI:
https://doi.org/10.71318/apom.1965.19.4.71Abstract
Sub-zero temperatures accompanied by very high winds in mid-December 1964, caused considerable damage to apricot trees in the Okanagan Valley of British Columbia. The damage to trees was mostly to shoot tips, fruit spurs and trunks. The injury to shoot tips and spurs was evaluated in the variety collection at the Summerland Station, and the varieties were then classified into five hardiness groups. The damage varied from practically none in hardy varieties to complete killing in the very tende group. Unnamed selections from various institutions included in the collection are as follows:
M-800, from Research Station, Morden, Manitoba.
Utah 18, 27 and 32 from Utah Agri. Exp. Station, Logan.
N.Y. 345, from New York State Agr. Exp. Station, Geneva.
P5-61 and T-101, from Irrig. Exp. Station, Prosser, Wash.
SHA 7, from branch Agri. Exp. Station, South Haven, Mich.
V-numbers, from Hort. Exp. Station, Vineland, Ontario.
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