Rootstock effect on budburst of ‘Premier’ low-chill peach cultivar |
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Authors: | S. Maneethon N. KozaiK. Beppu I. Kataoka |
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Affiliation: | Faculty of Agriculture, Kagawa University, Miki, Kagawa 761-0795, Japan |
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Abstract: | To determine the effect of rootstock with different chilling requirements on the bud break of the low-chill ‘Premier’ peach cultivar (150 CH), the trees grafted on ‘Newbelle’ (150 CH) and ‘O’Henry’ (750 CH) seedling rootstocks were forced in a glasshouse after being subjected to 100, 200 and 300 CU chilling. The percentage of flower bud burst was slightly higher on ‘Newbelle’ than on ‘O’Henry’, although the difference was not significant. There was little leaf bud burst with 100 CU chilling on both rootstocks. With 200 and 300 CU chilling, the percentage of leaf bud burst and the total leaf number per tree was higher on the ‘Newbelle’ than on the ‘O’Henry’ rootstocks. |
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Keywords: | Budburst Chilling requirement Flowering Prunus persica |
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