Sansevieria Thunb. species are traditionally known as succulent ornamental plants worldwide. They also cultivated for medicinal, fodder, soil conservation and fiber uses, their capacity to reduce environmental pollution. sexual propagation is limited by the lack of viable seeds, reproduction largely made via vegetative suckers or cuttings. For these reasons, genetic improvement conventional bre...

The identification of a widespread contaminant of plant cell cultures is reported. Mycobacterium scr~luhtceum Prissick and Masson appears as yellow colonies on the medium and plant tissues of many ornamentals being propagated in vitro. It is a Gram positive and acid fast bacterium and requires a specifically formulated medium for growth in pure culture. Many laboratories have alluded to this co...

In recent years the collection of tropical marine organisms for the aquarium trade has become perceived as an activity with an unsustainable history as well as obvious potential for rehabilitation through resource-based fisheries management and consumer-oriented product certification. In the case of Puerto Rico, collection of ornamentals has existed for decades, though unregulated due to a weak...