Distribution and population structure of
            <i>Adansonia rubrostipa</i>
            in dry deciduous forest in western Madagascar

Metcalfe, D.; Sanchez, Aida Cuní; Curran, Michael; Haga, Jens Å. R.; Kija, Hamza; Kleynhans, Elizabeth J.; Kopp, Mirjam; Korogone, Sinagabe U.; Madindou, Ireene; Minlend, Albert; Ndagijimana, Felix; Ndlovu, Thenjiwe C.; Acheampong, Ernest Nti; Nuttman, Clive; Olsson, Karin H.; Rahrinjanahary, Dimby; Razafimanahaka, H. Julie; Razafindramanana, Josia; Rykowska, Zuzanna; Sachdev, Ravi; Simpson, Laura J.; Trevelyan, Rosie

doi:10.1111/j.1365-2028.2007.00755.x

Cited by 10 publications

(6 citation statements)

References 11 publications

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“…While the general community showed juvenile trees, this was not the case for the B. papyrifera. A lack of juvenile trees was also observed for B. papyrifera elsewhere in Ethiopia and Eritrea (Abiyu et al, 2010), and for other dry forest species, both in Ethiopia (Gebrehiwot, 2003;Sterck et al, 2010;Tesfaye et al, 2010) as elsewhere (Metcalfe et al, 2007). Population structures that lack juveniles are also found in other forest areas, notably in Ethiopian Afromontane systems, including Ethiopian church forest areas-small woodland remnants around churches and protected by church owners .…”

Section: Species Composition and Structurementioning

confidence: 84%

Diversity and production of Ethiopian dry woodlands explained by climate- and soil-stress gradients

Eshete

Sterck

Bongers

2011

Forest Ecology and Management

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Section: Species Composition and Structurementioning

confidence: 84%

Diversity and production of Ethiopian dry woodlands explained by climate- and soil-stress gradients

Eshete

Sterck

Bongers

2011

Forest Ecology and Management

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“…The daylight conditions could also be of adaptive importance. Metcalfe et al (2007) reported significant effect of sunlight on the growth and seed germination of A. rubrostipa. Also, genetic factors other than adaptation can be important.…”

Section: Discussionmentioning

confidence: 97%

Comparison of East and West African populations of baobab (Adansonia digitata L.)

et al. 2011

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The baobab tree (Adansonia digitata L.) is of large socioeconomic importance. However, domesticated plant material of baobab is rarely available to African farmers, and very limited pre-breeding knowledge is available. To evaluate genetic differentiation between geographical origins we compared vigor and leaf morphology of trees from 17 West African and 13 East African provenances of baobab. Seedlings were grown and evaluated in a common garden test at Bamako, Mali. Germination was assessed and growth measured 3 and 12 months after germination. Leaf morphology (leaf length, leaflet number, petiole length and diameter and leaflet border) were assessed after 12 months. Significant differences between the provenances were observed for both growth rate and leaf morphology. West African provenances in general grew faster than East African provenances, but leaf characters did not reveal a particular geographic structure, and the correlations between geographic distances and multivariate Mahalanobis distances were not significant.The correlations between leaf morphological traits and climatic data were in general low at the provenance level. However, the number of leaflets was significantly higher for provenances from drier areas. Two years increment at a field site also varied significantly between the provenances, where West African provenances confirmed their tendency to higher growth rate. Still, trees are young and results regarding both growth data and leaf characteristics should be confirmed when the trees are closer to maturity.

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“…In the farm, where water availability was probably less of a limiting factor to survival than competition for light, trees (from north and south) could grow taller. Light has been suggested to be a limiting factor in other baobab species growth (Metcalfe et al 2007). …”

Section: Discussionmentioning

confidence: 99%

Variation in baobab (Adansonia digitata L.) leaf morphology and its relation to drought tolerance

Sanchez

Haq

Assogbadjo

2009

Genet Resour Crop Evol

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The baobab tree (Adansonia digitata L.) is a valued savannah tree. Although variation in fruit characteristics of this tree have been studied, no studies to our knowledge have been carried out on variation of leaf morphology which can be linked to drought adaptation mechanisms. Accessions of baobab from different ecosystems in Benin were characterised for leaf size and thickness, stomata size and density on the abaxial surface of leaves. Significant variation was found in leaf size and stomata characteristics. Trees from northern study sites had higher stomata density and smaller guard cell length than those from southern study sites. The results show that pruning has a significant effect on leaf size, but not on stomatal characteristics. Trees from northern study sites showed more xerophytic characteristics than those from the south. It seems that genetic and physiological effects may play a role in baobab drought adaptation.

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Distribution and population structure of Adansonia rubrostipa in dry deciduous forest in western Madagascar

Cited by 10 publications

References 11 publications

Diversity and production of Ethiopian dry woodlands explained by climate- and soil-stress gradients

Diversity and production of Ethiopian dry woodlands explained by climate- and soil-stress gradients

Comparison of East and West African populations of baobab (Adansonia digitata L.)

Variation in baobab (Adansonia digitata L.) leaf morphology and its relation to drought tolerance

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