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Regeneration capacity from buds on roots and rhizomes in five herbaceous perennials as affected by time of fragmentation
Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
Swedish University of Agricultural Sciences, Department of Crop Production Ecology.
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2013 (English)In: Plant Ecology, ISSN 1385-0237, E-ISSN 1573-5052, Vol. 214, no 10, 1199-1209 p.Article in journal (Refereed) Published
Abstract [en]

Variation in seasonal sprouting pattern from roots and rhizomes of perennial herbaceous plants influence the success of plant proliferation ability, invasiveness and escape from weed control measures. The latter often rely on methods, which repeatedly fragment the underground system, thereby trigger adventitious and axillary buds to sprout, and consequently reduce the amount of stored energy. If carried out at times when no re-growth occurs, treatments will have little effect on weed populations, but cost much in terms of labour and energy. The purpose of this experiment was to determine the seasonal variation in bud sprouting capacity after fragmentation. Five troublesome perennial weed species, collected in northern and southern Sweden, were grown outdoors in Uppsala, Sweden (N 59°49′, E 17°39′), from May 2009 to January 2010. Cut root and rhizome fragments, taken at two weeks intervals from July to January, were used to evaluate bud sprouting capacity, which was statistically analyzed using generalized additive models. In Elytrigia repens from southern Sweden and Sonchus arvensis sprouting capacity was significantly impaired during a period from September to November. In Equisetum arvense and Tussilago farfara sprouting was low between July and November where after it increased. In contrast, Cirsium arvense and E. repens from northern Sweden sprouted readily throughout the period. Except for E. repens, a model by populations was significantly better than one based on latitudinal origin. The result suggests a species-specific timing of treatments in weed management, avoiding the non-effective autumn period for E. arvense, S. arvensis and T. farfara, and in some cases in E. repens.

Place, publisher, year, edition, pages
2013. Vol. 214, no 10, 1199-1209 p.
National Category
Biological Sciences
Research subject
Natural Science, Cell and Organism Biology
Identifiers
URN: urn:nbn:se:lnu:diva-27732DOI: 10.1007/s11258-013-0244-4ISI: 000324498500001Scopus ID: 2-s2.0-84884416865OAI: oai:DiVA.org:lnu-27732DiVA: diva2:638735
Projects
Dormancy in reproductive vegetative buds in creeping perennials dominating the agricultural weed flora in Scandinavica
Funder
Formas, 2007-1681
Available from: 2013-08-01 Created: 2013-08-01 Last updated: 2017-12-06Bibliographically approved

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Hakman, Inger

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