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Field performance of Pinus contorta trees propagated vegetatively via adventitious buds
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2005 (English)In: Scandinavian Journal of Forest Research, ISSN 0282-7581, E-ISSN 1651-1891, Vol. 20, no 4, 318-321 p.Article in journal (Refereed) Published
Abstract [en]

Pinus contorta plants regenerated from adventitious buds induced on zygotic embryos were planted in a field trial where growth, straightness and flowering were followed over 7 years. Seedlings were taller than the plants derived from adventitious buds at the start of the field trial. Adventitious plants did not catch up with seedlings in height after 7 years in the field, but the relative height growth was equal. The higher frequency of plagiotropic growth that was displayed by adventitious plants the first year in the field was not reflected by differences in the frequency of basal sweeps 6 years later. However, the frequency of crooked stems was comparatively high but similar among the plant types. Flowering was more abundant for the seedlings than for adventitious plants. Taken together, the results show that P. contorta can be cloned via adventitious buds from zygotic embryos, and that the resulting plants show satisfactory growth for inclusion in breeding.

Place, publisher, year, edition, pages
2005. Vol. 20, no 4, 318-321 p.
Keyword [en]
Basal sweep, flowering, genetic improvement programmes, growth, plagiotropic growth, stem straightness
National Category
Botany
Identifiers
URN: urn:nbn:se:uu:diva-74484DOI: 10.1080/02827580510036247OAI: oai:DiVA.org:uu-74484DiVA: diva2:102394
Available from: 2008-03-27 Created: 2008-03-27 Last updated: 2017-12-14Bibliographically approved

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Publisher's full texthttp://journalsonline.tandf.co.uk/openurl.asp?genre=article&id=doi:10.1080/02827580510036247

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Grönroos, Roland

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