Geil, Ryan D Morphological alterations of pea (Pisum sativum cv. Sparkle) arbuscular mycorrhizas as a result of exogenous ethylene treatment. [electronic resource] - Mycorrhiza Aug 2001 - 137-143 p. digital Publication Type: Journal Article ISSN: 0940-6360 Standard No.: 10.1007/s005720100120 doi