Bud Mortality and Phloem Injury of Six Blackberry Cultivars Subjected to Low Temperatures
DOI:
https://doi.org/10.71318/apom.1986.40.4.144Abstract
A tissue viability test was conducted to evaluate midwinter hardiness of ‘Cherokee,’ ‘Comanche,’ ‘Cheyenne,’ ‘Shawnee,’ ‘A-1172,’ and ‘Darrow,’ blackberry buds and phloem tissue. ‘Cheyenne,’ ‘Cherokee,’ and ‘Shawnee’ buds had T 50values of -23.1, -23.5, and -23.9°C, respectively. At -34°C, ‘Darrow’ had the greatest bud hardiness, but the phloem tissue exhibited severe injury.
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