Aphids are among the major global pest groups, causing serious economic damage to many food and commodity crops in most parts of the world. This revision and update of the well-received first edition published ten years ago reflects the expansion of research in genomics, endosymbionts and semiochemicals, as well as the shift from control of aphids with insecticides to a more integrated approach imposed by increasing resistance in the aphids and government restrictions on pesticides. The bo...

The first comprehensive review of key advances in biostimulant researchCovers key groups of biostimulants: humic substances, seaweed extracts, protein hydrolysates, silicon, plant growth-promoting rhizobacteria (PGPR) and arbuscular mycorrhizal fungi (AMF)Discusses key advances in research and practical applications of biostimulants in the field

For the first time Truth: A Contemporary Reader brings together essays that have shaped two aspects of a fundamental philosophical topic: the nature of truth and the value of truth.Featuring 22 essays, this up-to-date reader includes seminal work by leading figures in contemporary analytic philosophy. It charts the development of the central 'grand proposals' about the nature of truth, and subsequently how their influence gradually diminished in face of new theories develo...