Management of viruses and virus-like agents affecting apple production

Management of viruses and virus-like agents affecting apple productionViruses and virus like agents have recurring impact on quality fruit production throughout the life of an orchard. They are graft transmissible and are readily disseminated through the use of infected budwood. Since many of these agents do not have arthropod or nematode vectors, the most effective control strategy is to develop orchards with clean, virus tested planting stock. The implementation of quarantine and certification programmes on a global

but their development calls for an improved knowledge of their bioactivity on plants and associated microorganisms

and takes the child's point of view rather than that of the mother or of 'child-saving' groups

and how nutrient management can be used to increase cowpea yields

A dazzling act of literary-critical rebellion

The goal of this chapter is to discuss the effects of crop rotation and intercropping management practices that are relevant to productivity and their impact on soil health enhancement and stability

features 12 stories including “The Hammer of God

with China

Wallace Johnson –made their point: that colonial rule was oppressive and inconsistent with the democratic ideals Britain claimed at home

The three main themes of the book are: new approaches in the study of animal remains

especially Quemoy (Jinmen) and Matsu (Mazu)

sometimes luridly packaged softcover books

220 full colour