|
The UVM Apple Program: Extension and Research for the commercial tree fruit grower in Vermont and beyond... |
Current/Recent [Note: To read some of the information on this website you will need Adobe
Acrobat Reader
which can be downloaded free from theAdobe website.]Dr. Terence Robinson's 2006 VTFGA presentation on Apple Varieties and Rootstocks - note that this is a large file and will take some time to download.
Dr. Terence Robinson's 2006 VTFGA presentation on Modern Apple Training Systems- note that this is a large file and will take some time to download.
Horticulture Presentations by Dr. M. Elena Garcia - Apple Botany and History; Calcium Uses in Apples; Cold Hardiness; Light Interception of Apple Tree Canopies; Pruning; Topworking Apple Trees
Summary of UVM Apple Cultivar Evaluation (1995 NE-183 planting): 1998-2000
| Bud Stage | Silver Tip |
Green Tip |
Half-inch Green |
Tight Cluster |
First Pink |
Full Pink |
First Bloom |
Full Bloom |
Post Bloom |
| Ave. temp. for 10% kill2 | 15 |
18 |
23 |
27 |
28 |
28 |
28 |
28 |
28 |
| Ave. temp. for 90% kill2 | 2 |
10 |
15 |
21 |
24 |
25 |
25 |
25 |
25 |
1
For Red Delicious, Golden Delicious and Winesap approximately one degree hardier; Rome Beauty, two degrees hardier;except after petal fall when all varieties are equally tender
2 Avg temperatures found by research at the WSU Res. and Ext. Center, Prosser, to result in 10% and 90% kill
Last Modified = by LPB