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Fruit trees are loving the cold PDF Print E-mail
Written by Linda Langelo, Golden Plains Area Extension   
Apple, peach and pear trees are loving this cold weather. Chilling requirement for fruit trees is the number of hours with temperatures between 32 F and 45 F during their dormant period. However, if there are days during the winter months with temperatures 60 F and above, those hours are subtracted from the overall chilling hours previously acquired.

The major factor that limits the increased production in a selection of apple varieties is the chilling requirement. Winter chilling requirements are necessary for these temperate fruit trees.

The number of hours of winter chilling enables a breakdown of internal growth inhibitors. After the growth inhibitors are broken down, this allows for normal bloom and leaf emergence in the spring.

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Holyoke Enterprise November 20, 2014