Browsing by Author "El-Nashaar, Hossien Mahmoud"
Now showing items 1-3 of 3
-
Effect of Long - Term Continuous Cropping of Spring Wheat on Disease-Causing Ability of Cochliobolus sativus, Agent of Wheat Root Rot
El-Nashaar, Hossien Mahmoud; Stack, Robert W.; El-Nashaar, Hossien Mahmoud; Stack, Robert W. (1990) -
Pathogenic Variation, Host Specialization and Aggressiveness in Helminthosporium Sativum
El-Nashaar, Hossien Mahmoud (North Dakota State University, 1984)Common root rot, caused by Cochliobolus sativus, is an important disease of spring wheat and barley in the northern Great Plains. While the disease has been widely studied, extensive systematic investigation of pathological ... -
Scanning Electron Microscope Examination of Sugarbeet Flowers and Fruits Infected with Phoma Betae
El-Nashaar, Hossien Mahmoud (North Dakota State University, 1980)There are three natural openings in a mature sugarbeet fruit which serve as avenues of entry for microorganisms: 1) the basal pore which contains dried parenchyma and vascular tissue and is the point where the flower was ...