Lutte Contre Les Parasites Chez Le Karite

Soro, Dofara; N'Da-Adopo, A; Da, KP; Traore, D

doi:10.4314/aga.v16i3.1647

Cited by 8 publications

(4 citation statements)

References 1 publication

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“…& K.Krause) Danser and Agelanthus dodoneifolius (DC.) Polh & Wiens) (Soro et al, 2004;Yao et al, 2020). Loranthaceae seeds are mainly spread by birds that consume their fruit and excrete them in their feces (Yao et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Morphological traits and sustainability of plus shea trees (Vitellaria paradoxa C.F.Gaertn.) in Côte d'Ivoire

Attikora,

Diarrassouba,

Yao

et al. 2023

Biotechnol. Agron. Soc. Environ.

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Description of the subject. Shea tree (Vitellaria paradoxa C.F.Gaertn.) is an essential component of natural/semi-natural savannas and agroforestry systems of Africa. It contributes to local household incomes and represents an important cash crop for export. It is important to improve our knowledge about the viability and genetic diversity of “plus shea tree” (PST: shea trees whose genetic superiority has not yet been proven by an appropriate progeny test) genotypes to conserve the genetic diversity of the species and the potential for producing improved species. Objectives. We characterized the diversity of an in situ PST collection in Côte d’Ivoire and evaluated its long-term sustainability. Method. Twelve qualitative morphological traits were studied on 220 PSTs randomly sampled among 405 PSTs also randomly selected from in situ collections in the Bagoué and Tchologo districts of northern Côte d’Ivoire to assess in situ conservation sustainability. Results. Most qualitative morphological traits were highly diverse based on the Shannon diversity index (0.55-0.98 range) with significant differences between districts. Hierarchical ascending classification gathered the PSTs into three groups. The lack of sustainability of the in situ collection for long-term conservation of the species was confirmed because it is endangered by a high mortality rate (8.15% after three years) and high levels of infestation by Loranthaceae (83.68%). Conclusions. We recommend the establishment of an ex situ collection of shea trees managed by a research organization to preserve this important genetic heritage. To maximize the genetic diversity of the future ex situ collection, we suggest establishing a core collection based on molecular diversity characterized from molecular markers, such as single nucleotide polymorphism (SNP).

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Section: Discussionmentioning

confidence: 99%

Morphological traits and sustainability of plus shea trees (Vitellaria paradoxa C.F.Gaertn.) in Côte d'Ivoire

Attikora,

Diarrassouba,

Yao

et al. 2023

Biotechnol. Agron. Soc. Environ.

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“…Indeed, this tree produces fruits comprising of almonds rich in fat content. The extraction of the fat content gives butter very appreciated by the rural populations and the industrialists (Hall et al, 1996;Soro et al, 2004;Wallace-Bruce, 1993). In addition to the almonds which produce butter, the wood of shea tree is very appreciated like saw log and like drink of heating.…”

Section: Intoductionmentioning

confidence: 99%

Variability of production out of fruits of Shea trees

Soro¹,

Koffi²

2011

ABJNA

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Vitellaria paradoxa, generally known under the name of shea tree is an endemic fruit tree of sudanese zone of Africa. This tree provides to local populations, tasty fruits, medical products, wood resisting and especially butter, the shea butter, universally known. The activities of research concentrated on the lightening of the constraints of treatment of butter. Thus, in spite of its many uses and its economic importance, the shea tree remains still an entirely wild resource. Its production out of fruits is irregular from one year to another. The irregularity of the production out of fruits makes difficult the industrial exploitation of the plant. The causes of this interannual variability of the production out of fruits were not explained yet. The present study, carried out in the North of Côte d'Ivoire, is an attempt at explanation of the interannual variability of the production out of fruits of the species. It made it possible to highlight, of trees with good regular production beside others with irregular production. The presence of producing good trees in the settlements of shea tree shows that the genetic improvement of the species is possible.

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“…In Burkina-Faso, Boussim (2002) reported that large agroforestry surface areas parasitized by Loranthaceae led to massive tree deaths, most often in the absence of human control and intervention through diverse techniques of fight. In Ivory Coast, Soro et al (2006) have raised an alert on the negligence of Loranthaceae Family that has now become a veritable nightmare in both natural vegetation and plantations alike. These vascular plants in the form of small shrubs develop on the trunk of their hosts.…”

Section: Introductionmentioning

confidence: 99%

Floristic diversity of Loranthaceae Family and their potential host species in Sudano-sahelian zone of Cameroon: case of Diamare plain in Far-North Region

Konsala¹,

Todou²,

Moksia³

et al. 2020

Int. J. Bio. Chem. Sci

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There is an increasing interest in parasitic plants and infectious disease community ecology in intertropical regions. The study examined the floristic diversity of Loranthaceae family and their potential host species in the ecoregion of Diamare plain in Cameroon. Reasoned sampling method was performed and experimental device consisted of 02 main treatments (Diamare and Mayo-Kani divisions), 08 secondary treatments (councils) and 32 replications (villages), with four (04) villages per council. We used itinerary botanical survey method of 1000 m x 20 m in each village, totalizing 64 ha and all parasitic plants and their potential hosts were inventoried. A total of 11 645 ligneous individuals was inventoried in the Diamare division, distributed within 65 species, 44 genera, and 22 Families. In Mayo-Kani division, a total of 16 645 ligneous individuals were inventoried, distributed in 58 species, 41 genera and 19 families. There was a significant difference between the two divisions in terms of individuals (p < 0.001). In total, nine parasitic plants of the Loranthaceae family were inventoried, with five species identified at the level of species (55.55%) and four species at the level of genera (44.44%): Agelanthus dodoneifolius (DC.) Polh. and Wiens, Tapinanthus globiferus (A. Rich.) Van Tiegh., Tapinanthus oleifolus (JC. Wendl.) Danser; Tapinanthus voltensis Van Tiegh. ex Balle; Tapinanthus ophiodes (Sprague) Danser, Tapinanthus sp1., Tapinanthus sp2., Tapinanthus sp3. and Phragmanthera sp. Agelanthus dodoneifolius, Tapinanthus globiferus and T. ophiodes recorded a weak parasitic specificity (PSp = 81.39%; 72.09% and 30.23% respectively). Combretaceae and Mimosaceae families showed the greatest number of sensitive host species to Loranthaceae infestation (20.89% and 16.27% respectively). There was no significant difference between parasitic specificity of Loranthaceae and parasitic sensitivity of host species (p > 0.05), and both were positively correlated (r = 0.96). Efforts are required to control the development of Loranthaceae in sudano-sahelian zone especially in ecosystem plantations.Keywords: Floristic diversity, Loranthaceae, host species, Diamare plain, Cameroon

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Lutte Contre Les Parasites Chez Le Karite

Cited by 8 publications

References 1 publication

Morphological traits and sustainability of plus shea trees (Vitellaria paradoxa C.F.Gaertn.) in Côte d'Ivoire

Morphological traits and sustainability of plus shea trees (Vitellaria paradoxa C.F.Gaertn.) in Côte d'Ivoire

Variability of production out of fruits of Shea trees

Floristic diversity of Loranthaceae Family and their potential host species in Sudano-sahelian zone of Cameroon: case of Diamare plain in Far-North Region

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