Yellow patches in oilseed rape crops
Abstract
Severe crown and root rot of four year old Hunter River transverse· septa. thin·walled, with obtuse ends, 78 - 114 lucerne was observed at Hermitage Research Station. near x 20 - 32 ~m, formed singly on long, pale brown conidio Warwick, in March 1972. Symptoms were typical of those phores 6 - lO/Jm in diameter which proliferate sympodial. lV_ described in California as Stagonospora root rot of lucerne Ill. The disease is distinguished by a reddish flecking in the The fungus...