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Eyespot disease of cereal
(HGCA, 1988-08)
Eyespot (Pseudocercosporella herpotrichoides ), a serious disease of winter wheat and barley, has increased in importance in the 1980s because I) pathogen populations have become resistant to the fungicides which were used ...
Dispersal of Rhynchosporium secalis conidia from infected barley leaves or straw by simulated rain
(1988-02-29)
Simulated rain (mean drop diameter c. 1 or 3 mm) was allowed to fall for 10 – 15 min on to barley leaves or straw infected by Rhynchosporium secalis (leaf blotch). The leaves were supported on a mesh through which run-off ...
Stages in the progress of eyespot epidemics in winter wheat crops
(1988-02)
The temporal progress of eyespot (Pseudocercosporella herpotrichoides) epidemics in winter wheat crops is considered in four stages: leaf sheath lesion establishment, leaf sheath penetration, stem lesion establishment and ...