chilling requirement

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Deciduous Fruit for North Florida
... This requirement is specific for each cultivar and is referred to as its chilling requirement ( Figure 1 ). Common cultivars grown in more northern climates are too high in chilling requirement ... extend from Florida to the Pacific Northwest. However, cultivars differ as to winter chilling requirement and susceptibility to diseases. Proper cultivar selection is important for successful production. ...
edis.ifas.ufl.edu

Dooryard Fruit Varieties
... weather patterns. Some considerations of weather are discussed briefly in the following sections. CHILLING REQUIREMENT Most fruits which originated in temperate zones go through the winter in a ... chilling they must have in order to complete rest and resume normal growth. This is considered the chilling requirement of the species or variety. A plant which does not receive sufficient chilling ...
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One Way to Plant Bearded Iris Seeds
... iris seeds to germinate. The first is that there needs to be a period of chilling lasting at least six weeks with temperatures being below 40 degrees F. The other is ... to be able to germinate. The seed must have oxygen in order to germinate. The chilling requirement is easily met here since we certainly have at least six weeks when it goes ...
home.flash.net

Backyard Orchard Glossary
... an Iowa orchard in 1872. 'Starking' was the first of several sports produced from 'Delicious.' Chilling requirement The number of hours of temperatures required below 45°, and refers most often to fruit ...
homeorchard.ucdavis.edu

California Backyard Orchard: Pear
... pears. 'Bartlett', which makes up 75% of the world's production and acreage, has a chilling requirement of about 1500 hr. Days from full bloom to harvest range from about 115 to ...
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justgardeners.com
... result we can grow many more plants requiring a cold period, as they get their chilling requirement. So what does this all mean? Simple, really. If the question of winter survival is ...
justgardeners.com

FPHG -
... vary somewhat. Most require 750 hours of chilling below 45°F. In Pennsylvania, this requirement is met usually by no later than early February. After the chilling requirement is met, the plant loses its ...
ssfruit.cas.psu.edu

FPHG -
... after harvest and will not ripen evenly until they have had a period of chilling. Without some postharvest chilling, a mature fruit will simply shrivel and decompose without ripening. Bartlett pears need ... 2 to 6 weeks of refrigeration. Pears purchased in the supermarket have already had their chilling requirement. Pears should be ripened at 65 to 75°F and high humidity. The length of ...
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Dormancy and Cold Hardiness in Fruit Crops
... are not right, usually too cold. Rest occurs first. During rest, the plant accumulates chilling hours. The chilling hours required varies for different plants from 700 to 1300 hours or more. ... very cold weather. Once the chilling requirement is meet, the plants have completed rest and are merely dormant because the weather is too cold for rapid growth. Chilling requirements are usually completed by ...
www.canr.msu.edu

Fruit Tree Cultivars
... will be needed during the growing season. Only cultivars that require 750 hours of chilling are recommended. Pears Moonglow, Magness (not a pollen source), Kieffer, Harrow Delight, Harrow Sweet, ... during the dormant season. This period is referred to as the chilling requirement. In North Carolina, cultivars with chilling requirements of at least 750 hours are recommended to prevent trees from ...
www.ces.ncsu.edu

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