Download or read book Field assessment of resistance in potato to Phytophthora infestans written by Forbes, G and published by International Potato Center. This book was released on 2014-06-27 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present guide is designed to assist professionals and technicians in charge of evaluation trials designed to screen selected potato genotypes for resistance to this disease. The evaluation of breeding families, which is carried out under greenhouse or field conditions, can use the same methodology. The guide can help to organize trials, improve data collection and analysis and introduces new criteria for resistance measurement based on epidemiological principles.