AAC Darby (PT495) is an early maturing, high yielding, awned and hollow stemmed Canada Western Red Spring (CWRS) wheat (Triticum aestivum L.) cultivar suited to the growing conditions in the northern Canadian Prairies. AAC Darby was higher yielding than all the check varieties in the Parkland Wheat Cooperative (Park C) registration trials (2018–2020). AAC Darby was 6% higher yielding than Parata and 5% higher yielding than Carberry. AAC Darby matured 5 days earlier than Carberry and 1 day earlier than Parata. AAC Darby was similar in height to Glenn at 2 cm taller. The lodging score for AAC Darby was similar to the mean of the checks. The test weight of AAC Darby was similar to Carberry and the 1000-kernel weight was similar to Glenn and higher than Parata. AAC Darby had protein content only 0.07% lower than Carberry. AAC Darby expressed an intermediate resistant reaction to Fusarium head blight (FHB; Fusarium graminearum Schwabe). AAC Darby was moderately resistant to the prevalent races of stem rust (Puccinia graminis Pers. f. sp. tritici Eriks. & E. Henn) and moderately susceptible to common bunt [Tilletia caries (DC) Tul. & C. Tul.]. It was resistant to prevalent races of leaf rust (Puccinia triticina Erikss.) and stripe rust (Puccinia striiformis Westend). AAC Darby was resistant to orange wheat blossom midge (OBWM) (Sitodiplosis mosellana Géhin). AAC Darby was registered under the CWRS class.
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27 January 2025
AAC Darby Canada Western Red Spring wheat
S. Kumar,
A. Burt,
D. Green,
G. Humphreys,
B. McCallum,
T. Fetch,
J. Menzies,
R. Aboukhaddour,
M-A. Henriquez
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disease resistance
early maturity
Fusarium head blight
orange blossom wheat midge
Triticum aestivum L