A high degree of virulence diversity has been maintained in the population of Puccinia graminis f.sp.tritici (Pgt) in northwestern United States.Although Berberis vulgaris is present in the region and Pgt has been isolated from aecial infections on B.vulgaris, the population is too diverse to be explained by the limited presence of B.vulgaris alone
Context and background: Land is a source of wealth in terms of the economic and socio-cultural value it represents.Land resources are the basis of any economic activity or development project, which is why they are at the centre of multiple covetousness.However, social exclusion leads to numerous land conflicts observed in Cameroon.Goal and objecti
The objective of the present study was to investigate the associations between major diseases (clinical mastitis, peracute mastitis, metabolic disorders, peripartum disorders) and four parameters related to productivity (305-day milk yield, number of days open, culling rate, death rate) on a large dairy farm in a temperate zone with approximately 2
knife handle The persistent slump in crude oil prices on the world market has drastically reduced government revenues, weakened currencies, and threatened growth and development of countries such as Nigeria that are heavily dependent on petroleum as a source of government earnings.Therefore, it has become imperative for the government to look beyon