Fresh urediniospores were collected using a gelatin capsule spore collector designed by the CDL, St. Paul, MN and suspended in distilled water with 0.001% Tween 20. The 4-week-old M. truncatula plants were spray-inoculated with 1 × 105 spores/ml (0.001% Tween 20) using an artist ...
Oak Brook. Illinois. October 1975 (Argonnc National Laboratory. Ill.. in press.) 4 . G a n , I.. Korth. J . , and llalpcrn. B.: Use of gas chromatography-mass spec- trometry for the diagnosis and study of metabolic disorders. J . Chroni;~togr.. 93: 435 (1974). 5 . ...