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pro vyhledávání: '"Matejka, J. C."'
Several diseases caused by plant pathogenic fungi can cause economic losses to lettuce growers in Arizona. Leaf drop of lettuce is caused by Sclerotinia minor and S. sclerotiorum, while downy and powdery mildew are caused by Bremia lactucae and Erysi
Externí odkaz:
http://hdl.handle.net/10150/214718
Powdery mildew of cantaloupe in Arizona is caused by the plant pathogenic fungus Sphaerotheca fuliginea. The disease is usually found in some melon fields each year; however, the incidence and severity of the disease is quite variable. Disease develo
Externí odkaz:
http://hdl.handle.net/10150/214730
Downy mildew of broccoli, cabbage, and cauliflower is caused by the plant pathogenic fungus Peronospora parasitica. Cool damp weather with high humidity is highly favorable for sporulation, dissemination of spores, and infection by this pathogen. The
Externí odkaz:
http://hdl.handle.net/10150/214717
Autor:
Matheron, M. E., Matejka, J. C.
Leaf drop of lettuce, caused by the plant pathogenic fungi Sclerotinia sclerotiorum and S. minor. occurs every year in some lettuce fields in Arizona. When environmental conditions are favorable, disease incidence and resulting crop loss can be signi
Externí odkaz:
http://hdl.handle.net/10150/214511
Autor:
Matheron, M. E., Matejka, J. C.
Downy mildew of broccoli, caused by the plant pathogenic fungus Peronospora parasítica, can be found every year in many broccoli fields in Arizona. The severity of the disease is affected by the occurrence and duration of weather conditions favorabl
Externí odkaz:
http://hdl.handle.net/10150/221454
Autor:
Matheron, M. E., Matejka, J. C.
Leaf drop of lettuce, caused by the plant pathogenic fungi Sclerotinia sclerotiorum and S. minor, is found every year in some lettuce fields in Arizona. When environmental conditions are favorable, disease incidence and resulting crop loss can be sig
Externí odkaz:
http://hdl.handle.net/10150/221455
Autor:
Matheron, M. E., Matejka, J. C.
Powdery mildew of cantaloupe, caused by the plant pathogenic fungus Sphaerotheca fuliginea, is usually found in some melon fields every year. Disease development is favored by low relative humidity, moderate temperatures, and succulent plant growth.
Externí odkaz:
http://hdl.handle.net/10150/221440
Autor:
Matheron, M. E., Matejka, J. C.
Downy mildew of broccoli, caused by the fungus peronowora parasitica, usually can be found on a yearly basis in broccoli fields in Arizona During the 1988-89 season, four different fungicides were evaluated in the field for disease control. All four
Externí odkaz:
http://hdl.handle.net/10150/214493
Autor:
Matheron, M. E., Matejka, J. C.
Leaf drop of lettuce, caused by the fungus Sclerotinia sclerotionunb is a sporadic but potentially destructive disease in Arizona During the 1988-89 lettuce season in western Arizona, different fungicides and formulations of materials were evaluated
Externí odkaz:
http://hdl.handle.net/10150/214477
Autor:
Matheron, M. E., Matejka, J. C.
Powdery mildew of cantaloupe, caused by the fungus Sphaerotheca fuliinea, is a perennial and often serious disease in Arizona. In 1989, potential new fungicides were evaluated for disease control in a field trial. All tested materials provided signif
Externí odkaz:
http://hdl.handle.net/10150/214478