TRIAL | PLANTING DATE | GRID REF | SITE TYPE & ELEVATION | No OF SOURCES | ASSESSMENTS | COMMENTS |
---|---|---|---|---|---|---|
Dunkeld 21 Perthshire | 1997 | NN981481 | Stony gleyed upland brown earth 280 m | 41 | Height years 1,3,6,10 Flushing year 3 Form years 3,4 | Testing site with many seed sources showing poor growth. |
Moray 64 Elgin, Moray | 1998 | NJ286566 | Brown earth 127 m | 45 | Height years 1,3,6,10 Flushing year3 | Lowland former arable site. |
Glen Trool 33 Galloway | 1999 | NX361662 | Brown earth 65 m | 41 | Height 2,6 Form years 2 | Trial was consolidated from 3 to 2 replicates |
Kintyre 20 Argyll | 2001 | NR775770 | Gleyed upland brown earth 26m | 41 | Height years 0,1,2,6 | Damp western site with gleyed soils. |
Ballynoe Cork Ireland | 2001 | ? | 41 | Height years 3,6 | ||
Thetford 312 Norfolk | 2003 | TL791818 | Sandy brown earth 35 m | 35 | Height years 0,1,3 Flushing year 5 Senescence year 4 | Excellent early growth, largely weed-free |
Llandovery 41 Carmarthen | 2003 | SN820530 | Peaty soils 430 m | 35 | Height years 3 | Very exposed site.Plots on peaty soil abandoned |
Llandovery 42 Carmarthen | 2003 | SN568097 | Brown earth 122 m | 33 | Height years 2,3 | Former grazing land |
Drummond 34 Perthshire | 2003 | NN705435 | Upland brown earth and brown gley 220m | 33 | Height years 2,3 Flushing year 5 Senescence year 4 | Missing French and one Welsh seed source. A fertile site, damp in places. Bracken in SW corner damaged 10 plots. |
Dornoch 11 Easter Ross | 2003 | NH773931 | Upland brown earth 140 m | 16 | Height years 1,3 | Felled pine stand |
Table 1: Birch Provenance Trialsadmin2020-02-09T11:17:55+00:00