6 research outputs found

    Leaf Disc Regeneration of Passion Fruit

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    A leaf disc regeneration system was developed for passion fruit, Passiflora edulis Sims. Leaf discs were cultured on a modified MS medium containing 8.90 \ub5M BAP or on 8.90 \ub5M BAP and 2.32 \ub5M KIN. Shoots appeared within four weeks. These could be rooted when transferred to the same medium containing 0.54, 2.69 and 5.37 \ub5M NAA. Leaf discs cultured on medium supplemented with 11.42 \ub5M IAA, 10.74 \ub5M NAA and 1.86 \ub5M KIN formed callus only. Those cultured on medium supplemented with 10.74 \ub5M NAA and 2.32 \ub5M KIN formed callus and root

    Human health improvement in Sub-Saharan Africa through integrated management of arthropod transmitted diseases and natural resources.

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    A concept of an ecosystem approach to human health improvement in Sub-Saharan Africa is presented here. Three factors mainly affect the physical condition of the human body: the abiotic environment, vector-transmitted diseases, and natural resources. Our concept relies on ecological principles embedded in a social context and identifies three sets of subsystems for study and management: human disease subsystems, natural resource subsystems, and decision-support subsystems. To control human diseases and to secure food from resource subsystems including livestock or crops, integrated preventive approaches are preferred over exclusively curative and sectorial approaches. Environmental sustainability - the basis for managing matter and water flows - contributes to a healthy human environment and constitutes the basis for social sustainability. For planning and implementation of the human health improvement scheme, participatory decision-support subsystems adapted to the local conditions need to be designed through institutional arrangements. The applicability of this scheme is demonstrated in urban and rural Ethiopia
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