Rootstock and Scion Affect Cold Injury of Young Pecan Trees
DOI:
https://doi.org/10.71318/apom.2001.55.2.124Abstract
An exceptionally early Autumn freeze on 8 and 9 October 2000 injured young pecan trees [Carya illinoinensis (Wangenh.) C. Koch]. There was less injury to current season's growth on ‘Kanza’ than on ‘Mohawk’, ‘Mount’ and ‘Creek’. Trees on rootstocks of ‘Peruque’, ‘Giles’, ‘Colby’, ‘Apache’, and native seedlings from Stillwater, Okla. and Brunswick, Mo. were among the least injured by the fall freeze. Trees on ‘Starking Hardy Giant’ and natives from Chetopa, Kans. were the most severely injured by the freeze. Cold hardiness imparted to the scion by the rootstock was not closely related to the climate at
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