1: The role of plant viroids in diseases - new developments 2: Antioxidant properties in vitro and in vivo: realistic assessments of efficacy of plant extracts 3: Seed orchard genetics 4: Perennial herbaceous crops with potential for biofuel production in the temperate regions of the USA 5: Using near-infrared spectroscopy to predict postharvest quality 6: Influence of climate change on plant disease infections and epidemics caused by viruses and bacteria 7: Aromatic plant species in agricultural production systems based on marginal soils 8: Bioenergy: a potential for developing countries? 9: Appropriate precision agriculture with site-specific cropping system management for marginal and small farmers 10: Increasing the vitamin E content of food by in-plant production 11: REDD reckoning: a review of research on a rapidly moving target 12: Olives and olive oil: diet and health impacts 13: Biofuels: the food versus fuel debate 14: Switchgrass -practical issues in developing a fuel crop 15: Toxicity of Jatropha curcas L. as a biofuel crop and options for management 16: Using metabolomics to improve the quality of harvested fruit 17: Soybean sudden death syndrome - advances in knowledge and disease management 18: High-value horticulture in developing countries: barriers and opportunities 19: The tomato borer Tuta absoluta: insecticide resistance and control failure 20: Genetic diversity in the Jatropha genus and its potential application.