. . . Breaking Through Inbreeding Depression

Outcrossed progeny from heavily thinned seed orchards
- each representative of the broad genetic spectrum of their type -
to provide the selection required for fine sawlog stands.

Hybrid Sydney Blue Gum
(Eucalyptus saligna x botryoides)

Southern saligna - the type south of Sydney - with a backcrossing infusion of Bartlett’s Saligna, the New Zealand landrace with the rare reputation for milling well as young fast grown trees.

• Seedling Seed Orchard with family identity retained.

• 4 provenances and 44 families plus “Bartlett Saligna”.

• Selection pressure: 1 in 8.5 trees retained.

• Seed collected from 50 trees April 2003.

Spotted Gum (Corymbia maculata)

 Good representation of the very broad range of Spotted Gum in the original seedlot ensures wide selection opportunities in the progeny across a wide range of sites.

•  Seedling seed orchard from bulked seedlot.

• 10 provenances and 91 families.

• Selection pressure: 1 in 3.8 trees retained.

• Seed collected from 26 trees Mar 2003.

Sugar Gum (Eucalyptus cladocalyx)

 Consistency of good form for timber production, not usually associated with Sugar Gum, is a feature of this orchard.

• Seedling seed orchard from bulked seedlot.

• 3 provenances and 25+ families.

• Selection pressure: 1 in 5.3 trees retained.

• Seed collected from 8 trees April 2003.

2003 Seed Orchard Seed Price List

Note: Kilogram rate applies to orders of 250grams and above.

Prices

Prices quoted are ex-farm, and in Australian dollars (AUD).

All prices do not include GST. (International Orders exempt).

Prices are subject to change without notice.