| GROWTH | GROWTH HABIT | VEGETATIVE GROWTH HABIT | 2 - (1 = VERY UPRIGHT, 5 = VERY SPREADING) | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| GROWTH | TREE VIGOR | VEGETATIVE VIGOR OF THE TREE | 4 - (1 = VERY WEAK, 5 = VERY VIGOROUS) | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| GROWTH | ROOT SUCKERS | VEGETATIVE GROWTH OF ROOT SUCKERS | 5 - MANY | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| INSECT | BIG BUD MITE | BIG BUD MITE INFESTATION | 1 - NONE | | CORYLUS.CORVALLIS.89 | | Not Available |
| INSECT | BIG BUD MITE | BIG BUD MITE INFESTATION | 1 - NONE | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |
| MORPHOLOGY | SPRING LEAF COLOR | SPRING LEAF COLOR | GR - GREEN | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | TRUNK BARK | DESCRIPTION OF TRUNK BARK | I - INTERMEDIATE | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | DORMANT BUD SHAPE | SHAPE OF DORMANT BUDS | LR - LARGE, ROUND | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | DORMBUDCOL | COLOR OF DORMANT BUDS | BR - BROWN | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | PISTILLATE FLOWER COLOR | PISTILLATE FLOWER COLOR | R - RED | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | STAMINATE FLOWER COLOR | STAMINATE FLOWER COLOR | GR - GREEN | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | CATKIN NUMBER | AMOUNT OF CATKINS | 4 - (1 = FEW, 6 = MANY) | | CORYLUS.CORVALLIS.89 | | Not Available |
| MORPHOLOGY | CATKIN NUMBER | AMOUNT OF CATKINS | 6 - MANY | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |
| MORPHOLOGY | STAMINATE FLOWER SHAPE | STAMINATE FLOWER SHAPE | LTH - LONG, THICK | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | AVERAGE NUMBER OF CATKINS | AVERAGE NUMBER OF CATKINS/CLUSTER | 3 | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | HUSK TYPE | HUSK TYPE | TF - TUBULAR, FLESHY | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | HUSK LENGTH | HUSK LENGTH BY QUARTER NUT LENGTH | 4 - (1 = SHORT, 9 = LONG) | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | FREEHUSKING AT MATURITY | PERCENT FREEHUSKING AT MATURITY | 4 - (1 = LESS THAN 5% FALL IN THE HUSK, 5 = GREATER THAN 85% FALL IN THE HUSK) | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | AVERAGE NUMBER OF NUTS PER CLU | AVERAGE NUMBER OF NUTS PER CLUSTER | 1 | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | SHELL COLOR | SHELL COLOR | LB - LIGHT BROWN | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| MORPHOLOGY | SHELL STRIPPING | SHELL STRIPPING | 2 - (1 = INCONSPICUOUS, 3 = PRONOUNCED) | | CORYLUS.FILBERT.CORVALL.STD | | Not Available |
| PHENOLOGY | DATE OF LEAFING OUT | JULIAN CALENDAR DAY OF FIRST LEAFING OUT. | 188 | | CORYLUS.CORVALLIS.89 | | Not Available |
| PHENOLOGY | DATE OF LEAFING OUT | JULIAN CALENDAR DAY OF FIRST LEAFING OUT. | 88 | | CORYLUS.CORVALLIS.91 | | Not Available |
| PHENOLOGY | DATE OF PISTALLATE ANTHESIS | JULIAN DATE OF PISTALLATE ANTHESIS | 37 | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |
| PHENOLOGY | DATE OF STAMINATE ANTHESIS | JULIAN DATE OF STAMINATE ANTHESIS | 10 | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |
| PHENOLOGY | DATE OF STAMINATE ANTHESIS | JULIAN DATE OF STAMINATE ANTHESIS | 358 | | CORYLUS.CORVALLIS.89 | | Not Available |
| PHENOLOGY | DATE OF NUT FALL | JULIAN DATE OF NUT FALL | 261 | | CORYLUS.CORVALLIS.89 | | Not Available |
| PHENOLOGY | CLUSTER FALL DATE | JULIAN DATE OF CLUSTER FALL | 248 | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |
| PHENOLOGY | CLUSTER FALL DATE | JULIAN DATE OF CLUSTER FALL | 261 | | CORYLUS.CORVALLIS.89 | | Not Available |
| PHENOLOGY | LEAF FALL | JULIAN DATE WHEN ALL LEAVES HAVE FALLEN OFF THE TREE | 325 | | CORYLUS.CORVALLIS.89 | | Not Available |
| PRODUCTION | YIELD | ESTIMATED YIELD | 2 - (1 = NONE, 6 = VERY HIGH) | | CORYLUS.CORVALLIS.89 | | Not Available |
| PRODUCTION | YIELD | ESTIMATED YIELD | 2 - (1 = NONE, 6 = VERY HIGH) | | CORYLUS.FILBERT.CORVALLIS.90 | | Not Available |