Abstract
Early-growth differentiation among seven provenances of Prosopis flexuosa (algarrobo dulce) from the Monte phytogeographic province, Argentina, was studied by comparing their height growth; whole-seedling dry mass gain; allocation to root, stem and leaves; leaf number and leaf area in a common garden. Differentiation among provenances was detected for all the seedling characters examined except leaf number. Family variation within provenances was significant for height growth and leaf number. Variation on the provenance level was related to the elevation, geographic location, and some abiotic conditions of the seed source such as mean annual temperature and frost free period. Latitudinal clines were evident for almost all the growth traits. They were more pronounced for height and aboveground mass, and moderate for total plant mass and leaf area per plant. In addition, a good correspondence in growth traits between young seedlings and older trees of this species (studied by others authors) was also assessed. This fact would permit an early selection and genetic advances in the short term in breeding programs.
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Mantovan, N. Early growth differentiation among Prosopis flexuosa D.C. provenances from the Monte phytogeographic province, Argentina. New Forests 23, 19–30 (2002). https://doi.org/10.1023/A:1015608430967
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DOI: https://doi.org/10.1023/A:1015608430967