The linear propagation of ice in peach [ Prunus persica (L.) Batsch] shoots was measured during and after bloom. The mean rate of ice propagation was 9.3 ± 2.3 mm·s -1 at — 3C, with no significant differences observed among ‘Redskin’, ‘Reliance’, and ‘Redhaven’ cultivars. No barriers to the spread of ice were observed. Flowers froze within 30 sec from the time the advancing ice front passed their location on the stem. No ice-nucleation active bacteria were detected on the shoots or flowers.
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Anderson et al. (1989) studied this question.
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