Table 2.

State of transformation, regenerability, and propagation of common shade tree genera.

Genus (common name)RegenerabilityPropagationaTransformationb
Abies (fir)0, Ec (Mohan et al. 1995b)V, NM
Acer (maple)0, E (Grahsl et al. 1991)V, M
Crataegus (hawthorn)V, NM
Eucalyptus (eucalyptus)0, E (Mohan et al. 1995a)V, MMacrae and Van-Staden 1993; Teulieres et al. 1994
Fraxinus (ash)O, E (Mohan et al. 1995a)V, M
Larix (larch)0, E (Bajaj 1992; Mohan et al. 1995b) V, NMV, NMHuang 1993; Huang et al. 1991; Shin et al. 1994
Liquidambar (sweetgum)0, E (Bajaj 1989)V, MChen and Stomp 1991; Sullivan and Lagrimini 1993
Liriodendron (Yellow-poplar)E (Merkle et al. 1993)V, NMWilde and Merkle, 1994
Matus (apple, crabapple)O, Ed (Mohan et al. 1995a)V, MGercheva et al. 1994; James 1991; Lambert and Tepfer 1992
Picea (apruce)0, E (Mohan et al. 1995b)VEllis 1993
Pinus (pine)O, E (Mohan et al. 1995b)V, NMWalter et al. 1997
Pistacia (pistache)E (Onay et al. 1995)V, NM
Platanus (plane tree, sycamore)Od (Bajaj 1991)V, NM
Poplar (cottonwood, aspen)0, E (Mohan et al. 1995a)V, MHan et al. 1996
Prunus (plum, cherry, peach, apricot)0, E (Scorza et al. 1995)V,MCamara-Machado and Camara-Machado 1995; Scorza et al. 1995
Pseudotsuga (Douglas-fir)0, E (Mohan et al. 1995b)V, M
Quercus (oak)E (Mohan et al. 1995a)V, NM
Rhododendron (rhododendron, azalea)0, Ed (Bajaj 1989)V, M
Sequoia (Sierra redwood)0, E (Mohan et al. 1995b)V, M
Sequoiadendron (coast redwood)0 (Mohan et al. 1995b)V
Ulmus (elm)O, Ed (Bajaj 1989; Mohan et al. 1995a)V, MSticklen et al. 1994
  • a Propagation method for commercial purposes (Hartman et al, 1996).

  • b Key references are listed for genera that have been transformed.

  • c Abbreviations: O, organogenesis; E, embryogenesis; V, vegetative propagation; M, micropropagation; NM, no commercial micropropagation.

  • d Only partial or limited success.