The diversity of arbuscular mycorrhizal (AM) fungi of Acacia catechu Willd. was studied. Dominant AM spores, the bacterium Rhizobium sp. along with the fungus Trichoderma viride were isolated from the rhizosphere of A. catechu and mass-produced in laboratory. The co-inoculation effect of Glomus...

Solanum elaeagnifolium, an introduced creeping weed, is now established throughout Tunisia. Its management has been a significant challenge because of large rootstock and bud reserves in the soil. The development of this weed has received little attention. Moreover the survival of this weed is not...

Biological invasions are nowadays a major threat to biodiversity and ecosystem functioning worldwide. Exotic plant species are considered invasive when they become locally dominant displacing the native communities and altering ecosystem functioning. The rapid spread and establishment of invasive...

The objective of this study was to evaluate the occurrence of Drosophilidae and their parasitoids in coffee fruits in Cravinhos, SP, Brazil. The fruits were collected directly from the tree, and a portion was exposed under the canopy. Fifty-nine drosophilid pupae were collected in all, of which 31...

The complex diversity of plants, animals and microorganisms, their interactions with each other and with the specific environments in which they have developed, keep life on earth in balance. As human beings, we exist as part of a web of life that includes plants, animals, and microorganisms, as...

Hatchery and seed production trials for the Omani endemic abalone Haliotis mariae were carried out at the land-based Mirbat Abalone Seed Production Station in Oman between 1999 and 2000. The methods developed for broodstock conditioning, induction of spawning and fertilization, larval settlement,...

Malawi capture fisheries have drastically declined. The focus of the nation is now on aquaculture as a viable option to increase fish production. The commonly cultured fish, tilapia species, have been blamed for slow growth largely because of precocious breeding habits. Introduction of fast-growing ...

This field trial evaluates white pine blister rust resistance of 49 families of Pinus monticola from Oregon and Washington. The Optical site had 93% of the trees infected six years after planting, but rust mortality is currently low. Families ranged between 31 to 100 percent infected and the number ...

Hatchery and seed production trials for the Omani endemic abalone Haliotis mariae were carried out at the land-based Mirbat Abalone Seed Production Station in Oman between 1999 and 2000. The methods developed for broodstock conditioning, induction of spawning and fertilization, larval settlement,...

Fertilisation is considered essential for tree growth on cut-over peatlands. However, little research has been carried out on these managed ecosystems in North America. Two experiments were conducted on peatlands planted with black spruce (Picea mariana (Mill B.S.P.)) and tamarack (Larix laricina...