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| Term Identifier | Structure/Dev Term | Total in TreeGenes | Definition |
| TGTO:000005 | basic density | 10142 | Defined as oven-dry mass divided by green volume |
| TGTO:000001 | BV planted tree volume | 1705 | Breeding Value for planted tree volume as percentage of progeny test average |
| TGTO:000007 | conical volume - 3yr | 10142 | Conical volume of a tree at three years old |
| TGTO:000006 | conical volume - 7yr | 10142 | Conical volume of a tree at seven years old |
| TGTO:000009 | crushing strength | 105 | Ultimate crushing strength parallel to grain |
| TGTO:000023 | dbh planted area | 215 | Per-planted-area cross-sectional area of stems at breast height (1.3m) |
| TGTO:000042 | disease severity | 129 | Disease severity (%) was obtained by dividing the lesion length by plant height and multiplying by 100 |
| TGTO:000028 | dividing membranes | 10 | characteristics of inner pleat wall. |
| TGTO:000010 | fiber proportion | 105 | Fiber proportion |
| TGTO:000017 | foliar aluminum | 21503 | Foliar concentration of aluminium |
| TGTO:000018 | foliar calcium to magnesium ratio | 21503 | Ratio of calsium to magnesium in foliage |
| TGTO:000019 | foliar carbon to nitrogen | 21503 | Ratio of carbon to nitrogen in foliage |
| TGTO:000025 | foliar carbon to nitrogen ratio | 461 | Carbon to Nitrogen in leaves ratio |
| TGTO:000026 | foliar delta 15N isotope | 461 | delta 15N isotope in leaves |
| TGTO:000021 | foliar nitrogen isotope | 21503 | Nitrogen isotope composition in foliage |
| TGTO:000022 | foliar nitrogen to phosphorus ratio | 21503 | Ratio of nitrogen to phosphorus in foliage |
| TGTO:000020 | foliar potassium to magnesium ratio | 21503 | Ratio of potassium to magnesium in foliage |
| TGTO:000004 | gbh | 548 | stem girth measured at approximately 1.3-1.5 m above ground |
| TGTO:000040 | Growing season duration | 306 | Length of growing season |
| TGTO:000029 | juvenile period | 10 | Years from seed to first flowering. |
| TGTO:000030 | kernal percentage | 10 | Kernel percentage. |
| TGTO:000041 | Leaf fall date | 306 | Leaf fall date |
| TGTO:000031 | longitudinal section shape | 10 | Longitudinal section shape of mixed bud. |
| TGTO:000034 | longitudinal shape | 10 | Shape in longitudinal section through suture. |
| TGTO:000011 | longitudinal shrinkage | 105 | Longitudinal shrinkage |
| TGTO:000024 | pop - broken branches | 215 | The number of trees with broken arms |
| TGTO:000002 | pop - tree volume | 1705 | Breeding Value for planted tree volume as percentage of progeny test average |
| TGTO:000014 | radial shrinkage | 105 | Radial shrinkage |
| TGTO:000012 | rupture | 105 | Flexural modulus of rupture |
| TGTO:000035 | shape of perpendicular apex | 10 | Shape of apex perpendicular to suture. |
| TGTO:000036 | shape of perpendicular base | 10 | Shape of base perpendicular to suture. |
| TGTO:000037 | shell thickness | 10 | The thickness of shell. |
| TGTO:000003 | specific gravity | 1705 | Phenotypic wood specific gravity |
| TGTO:000013 | tangential shrinkage | 105 | Tangential shrinkage |
| TGTO:000038 | terminal leaflet | 10 | Existential state of terminal leaflet. |
| TGTO:000032 | transverse diameter | 10 | Nut transverse diameter. |
| TGTO:000039 | Type of dichogamy | 10 | Time of male flowering compared to female flowering. |
| TGTO:000033 | vertical diameter | 10 | Nut vertical diameter. |
| TGTO:000015 | vessel proportion | 105 | Vessel proportion |
| TGTO:000016 | volumetric shrinkage | 105 | Volumetric shrinkage |
| TGTO:000027 | xylulose | 461 | xylulose NIST |