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Table 1. Results of 1996 Carpinus crosses indicating: number of filled seeds/ number of pollinated inflorescences harvested/ number of seeds germinated. Each plant material used is identified by taxon, arboretum abbreviation (AA=Arnold Arboretum; HA=Holden Arboretum; MA=Morris Arboretum; and MOR=Morton Arboretum), and accession number.

SEED PARENTS No Pollen
Control
C. betulus

AA 12883
C. betulus

MA 50-751*A 
C. betulus

HA
74-9*A
C. betulus
'Quercifolia'

HA
55-1072*
C. caroliniana

AA
203-71*A
C. caroliniana
HA unacc-essioned LC
C. cordata

MA 84-183*D
C. cordata

HA 84-1068
C. coreana

MA86-042*A
C. japonica

HA65-527*B
C. laxiflora

MA 81-549*E
C. orientalis

AA 39-76*E
C. tschonoskii

AA 72-68*A
C. turczaninovii

AA 1295-79*A
C. betulus
'Purpurea'

MOR 403-66
0/4/0     97/4/53     0/5/0   0/3/0 0/3/0 0/5/0 0/4/0 0/4/0 36/4/9  
C. betulus 'Quercifolia'

HA 55-1072*C
0/2/0 0/2/0   2/2/0     0/2/0   1/2/0 0/2/0   0/2/0   0/2/0 0/2/0
C. caroliniana

HA 54-1608*B
4/4/0 5/5/0       90/8/7   2/3/1   29/6/2   36/4/0 28/6/2 90/5/2 4/5/0
C. caroliniana

MOR 85-77
                             
C. caroliniana 'Pyramidalis'

HA 55-1037*A
3/1/0 48/6/3 17/4/1   40/6/9 34/5/10   3/6/0   1/7/0   4/5/1 7/4/1 44/7/0  
C. cordata

MOR1132-38*
**               40/6/39   39/8/4        
C. japonica*

HA 65-527*B
**             0/12/0              

* Crosses on these trees were performed only once. ** No filled seeds were detected in cut tests of open pollinated fruit.

Format updated July 28, 2008