Agriculture Reference
In-Depth Information
Mean temperature values ( C) at which
Table
.
%(T )
%(T ) of buds or flowers were killed in controlled freezing tests,
Prosser, Washington, USA
%(T ) and
(a) 'Delicious' apple
Date
/
/
/
/
/
/
/
/
/
/ green
Bud stage
Silver tip
Green tip
Tight cluster First pink
Full pink
First bloom Full bloom Post bloom
T
.
.
.
.
.
.
.
.
.
T
.
.
.
.
.
.
.
.
.
T
.
.
.
.
.
.
.
.
.
(b) 'Bartlett' pear
Date
/
/
/
/
/
/
/
/
Bud stage Scales separating Bl. buds exposed Tight cluster
First white
Full white First bloom Full bloom Post bloom
T
.
.
.
.
.
.
.
.
T
.
.
.
.
.
.
.
.
T
.
.
.
.
.
.
.
.
Data from Proebsting and Mills (). Reproduced with permission.
 
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