2009
DOI: 10.1515/sg-2009-0033
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Evaluation of Pollen Contamination in an Advanced Scots Pine Seed Orchard

Abstract: The pollination pattern in a Scots pine (Pinus sylvestris L.) seed orchard consisting of 28 clones was studied using nine microsatellite (SSR) loci. The nine SSR loci produced unique multilocus genotypes for each of the orchard's 28 clones and allowed paternal assignment of the studied 305 seed using paternity exclusion probability of 99.9 %. Fifty two percent of the studied seeds were sired by outside the orchard pollen sources (i.e., pollen contamination) and as expected, low selfing (2.3 %) was detected. Th… Show more

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Cited by 35 publications
(70 citation statements)
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“…The tent system evaluated here seems to be the most successful method of reducing pollen contamination developed to date. Although only small fraction of the control seed was found to be sired by background sources in each year (4.8-7.1 %), which is relatively much less than in majority of earlier studies (e.g., ElKassaby et al 1989;Harju and Nikkanen 1996;Nagasaka and Szmidt 1985;Torimaru et al 2009Torimaru et al , 2012Wang et al 1991;Yazdani and Lindgren 1991), our results suggest that under high pollen contamination rates typically reported in conifer seed orchards in Scandinavia, the significance of the tent isolation system on the economic revenue may be great.…”
Section: Discussionmentioning
confidence: 67%
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“…The tent system evaluated here seems to be the most successful method of reducing pollen contamination developed to date. Although only small fraction of the control seed was found to be sired by background sources in each year (4.8-7.1 %), which is relatively much less than in majority of earlier studies (e.g., ElKassaby et al 1989;Harju and Nikkanen 1996;Nagasaka and Szmidt 1985;Torimaru et al 2009Torimaru et al , 2012Wang et al 1991;Yazdani and Lindgren 1991), our results suggest that under high pollen contamination rates typically reported in conifer seed orchards in Scandinavia, the significance of the tent isolation system on the economic revenue may be great.…”
Section: Discussionmentioning
confidence: 67%
“…50 % had been detected in it in pollination season 2006 (Torimaru et al 2009(Torimaru et al , 2012. This estimate may represent an extreme situation in the orchard or an up-biased estimation due to complicated banding patterns of some of the SSR loci that could have led to false paternity exclusion (see Funda et al 2015 for details).…”
Section: Discussionmentioning
confidence: 99%
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“…Las diferencias en el inicio y duración del periodo de dispersión se debieron, al menos en parte, a la menor edad de los árboles en el huerto y a la variación genética en fenología reproductiva de los clones representados en este (Hernández-Zaragoza et al 2016). La dispersión de polen en huertos semilleros jóvenes puede ocurrir antes que en rodales naturales, porque en árboles jóvenes el pe-riodo de crecimiento del brote generalmente inicia antes y en los huertos el espaciamiento es mayor (Torimaru et al 2009). Además, la parte baja de la copa de los árboles jó-venes, donde se desarrollan los estróbilos masculinos, está cercana al suelo donde la temperatura es mayor, lo que puede acelerar el desarrollo de los estróbilos masculinos (Lindgren et al 1995), como se demostró en huertos de Pinus sylvestris (Harju y Nikkanen 1996).…”
Section: Discussionunclassified