Critically reduced frost resistance of Picea abies during sprouting could be linked to cytological changes

  title={Critically reduced frost resistance of Picea abies during sprouting could be linked to cytological changes},
  author={Gilbert Neuner and Barbara Beikircher},
Frost resistance of sprouting Picea abies shoots is insufficient for survival of naturally occurring late frosts. The cellular changes during sprouting appeared to be responsible for frost damage as frost events that damaged sprouting shoots did not damage older needles and stems. Whilst resting buds showed initial frost damage at −15.0°C, 20 days later, current year’s growth was damaged at −5.6°C. The decrease in frost resistance in sprouting shoots of P. abies was accompanied by a significant… CONTINUE READING
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