This year's edition contains 20 articles that were published online in CAB Reviews during 2011. Among the topics are cultivating medical and aromatic plants in saline environments, hydrogen sulphide and signaling in plants, improving bioethanol production by increasing sugar beet crop yield, detecting and measuring plant disease symptoms using visible-wavelength photography and image analysis, plant mutation breeding in agriculture, macroalgae and their potential for biofuel, assessing the safety of biological control introductions, managing farmland flora to promote biodiversity in Europe, epigenetics and plant breeding, and options for controlling scolytid beetles that attack pines. Distributed in the US by Stylus Publishing. Annotation ©2013 Book News, Inc., Portland, OR (booknews.com)