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New Zealand Journal of Forestry (2019) 64(1): 32–36
©New Zealand Institute of Forestry

Professional Paper
From seed to harvest - factors affecting genetic worth of a radiata pine stand over its rotation

Emily Telfer *,1, Toby Stovold 2, Natalie Graham 3, Ahmed Ismael 4 and Heidi Dungey 5

1 Scientist, Forest Genetics Team, Scion. Corresponding author:
2 Scientist, Forest Genetics Team, Scion.
3 Scientist, Forest Genetics Team, Scion.
4 Scientist, Forest Genetics Team, Scion.
5 Science Leader, Forest Genetics, Scion, Rotorua.
*Corresponding author.

Abstract: The genetic worth of radiata pine (Pinus radiata) seedlots in New Zealand can be described using the Growth & Form Plus (GF Plus(tm)) rating system (Vincent, 1998). This rating system is issued for controlled-cross material based on the relative merit and relative parental contributions. This paper looks at how between the sowing in the nursery to the point of final harvest, the proportional representation of individual parents within the mix (and therefore the genetic worth) can change (Figure 1).
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