Baobab (Adansonia digitata L.) fruit production in communal and conservation land-use types in Southern Africa

Venter, Sarah M.; Witkowski, E.T.F.

doi:10.1016/j.foreco.2010.11.017

Cited by 63 publications

(49 citation statements)

References 26 publications

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“…Seed has many economical attributes such as oil for cooking and cosmetic industries (Gruenwald and Galizia 2005;Kalinganire et al 2008;Teklehaimanot et al 2008;Venter et al 2011). Presently, the product is not fully utilized in southern Africa, usually considered as a waste by product of juice making.…”

Section: Fruit Variation Between and Within Provenancesmentioning

confidence: 99%

Phenotypic variation in fruit and seed morphology of Adansonia digitata L. (baobab) in five selected wild populations in Malawi

2012

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Adansonia digitata L (Baobab) is widely distributed throughout Sub-Saharan Africa stretching from Senegal to Sudan, and from Ethiopia to Natal. Information of phenotypic and genetic variation is a prerequisite for the domestication and improvement of baobab fruits from the wild. A study was done to determine within and between provenance variability in fruit and seed characteristics of five populations selected from four silvicultural zones and assess whether morphometric traits could delineate populations from different zones into land races. Fruits were characterized from 55 trees representing a wide geographical range. Six fruit traits and three individual seed traits were assessed. Results showed highly significant differences (P≤0.001) in fruit, pulp, and seed weight, fruit length and width, number of seed, individual seed weight, seed length and width within and between populations. Mean fruit weight ranged from 125.8 ± 3.25 g to 162.9 ± 3.25 g, seed weight ranged from 38.6 ± 2.5 g to 66 ± 2.01g and pulp weight ranged from 28.7 ± 1.33 g to 41.4 ± 1.33 g. Single seed weight showed pronounced evidence of divergence of populations into ecotypes. The rich diversity found between and within populations is important for domestication purposes and tree improvement through selection and breeding. All populations could be used for seed source but distribution should be consciously done recognizing existence of races.

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Section: Fruit Variation Between and Within Provenancesmentioning

confidence: 99%

Phenotypic variation in fruit and seed morphology of Adansonia digitata L. (baobab) in five selected wild populations in Malawi

2012

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“…Long-term studies of populations of baobabs in South Africa (Venter & Witkowski, 2011) and West Africa (Assogbadjo & al., 2008) have shown that some trees are consistently poor producers of fruit, whereas others are prolific. Indeed, in both regions individual baobab trees are commonly characterized by locals as "male" or "female" trees based on fruit production.…”

Section: Introductionmentioning

confidence: 99%

One African baobab species or two? Synonymy of Adansonia kilima and A. digitata

Cron

Karimi

Glennon

et al. 2016

TAXON

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We assessed the validity of a recently described baobab species Adansonia kilima that was suggested to be a diploid occurring in both eastern and southern Africa at high elevations within the range of the well‐known tetraploid species A. digitata. We used a combination of phylogenetic analyses and statistical comparisons of various traits (e.g., flowers, stomata, pollen, chromosome counts) to test for the presence of two continental African baobab species. Ordination of the floral features of 133 herbarium specimens from across the natural range of A. digitata, including the putative type of A. kilima and other Tanzanian accessions as previously assigned A. kilima, revealed no distinct clusters of specimens. Likewise, stomatal size and density varied greatly across the specimens examined, with no clear bimodal pattern and no obvious association with altitude. The type specimen of A. kilima was found to have a chromosome number of 2n ≈ 166, showing it to be a tetraploid, like A. digitata. Phylogenetic analysis of the ITS region showed little resolution within the African baobab clade and a lack of distinction between the A. kilima type and A. digitata regional accessions. Among the 13 haplotypes detected, no distinct haplotype representing A. kilima was identified. Based on the data at hand we conclude that A. kilima is neither cytologically nor morphologically distinct and is here reduced to synonymy with A. digitata.

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“…Another keystone indigenous tree species that is central to the livelihoods of people in rural African communities is the baobab (Adansonia digitata). Like marulas, baobabs have a wide range of uses, especially for food, fiber, and medicine (Venter & Witkowski, 2011. (Buchmann et al (2010) reported over 300 uses of all parts of the plant altogether.)…”

Section: Rural Food Securitymentioning

confidence: 99%

“…Where baobab products are sold in informal markets, they form a key source of income for thousands of rural people. Cash generated from the sale of baobab fruit helps alleviate poverty, improves livelihoods, and allows participation of marginalized people in a growing cash economy (Venter & Witkowski, 2011). Fruit is collected from trees in fields, villages, and surrounding communal land by locals, and processed in situ to supply fruit pulp and oil from the seeds to a large and growing export market (ibid.).…”

Section: Rural Food Securitymentioning

confidence: 99%

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2015

HER

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Recent studies have highlighted the ways in which activism can be suppressed in democratizing nations, yet much of this work tends to be state centered. Our research examines the role that private actors play in the repression of environmental activism in post-socialist Czech Republic. Following the 1989 collapse of the communist regime, the environmental movement experienced a brief period of widespread public support, which quickly gave way to anti-environmental trends and the general vilification of environmental activists. Drawing from indepth interview data, newspaper coverage, and direct observation, we analyze a contentious highway bypass controversy around the city of Plzeň. Results indicate that environmentalists have been forced to contend not only with political hostility, but also with organized forms of public opposition from an anti-environmentalist countermovement organization.

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Baobab (Adansonia digitata L.) fruit production in communal and conservation land-use types in Southern Africa

Cited by 63 publications

References 26 publications

Phenotypic variation in fruit and seed morphology of Adansonia digitata L. (baobab) in five selected wild populations in Malawi

Phenotypic variation in fruit and seed morphology of Adansonia digitata L. (baobab) in five selected wild populations in Malawi

One African baobab species or two? Synonymy of Adansonia kilima and A. digitata

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