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pro vyhledávání: '"Matejka, J"'
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
This report focuses upon our efforts to evaluate the effect of sustainable versus conventional fertilization practices on subsequent populations of soil-borne pathogens on lettuce roots. The different fertilization treatments included conventional fe
Externí odkaz:
http://hdl.handle.net/10150/221453
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., Matejka, J.
For 24 consecutive months, root pieces were collected from field -grown Lisbon lemon trees established on Citrus aurantium (sour orange), C. jambhiri (rough lemon), and C. volkameriana rootstocks. Root segments were wounded, inoculated with Phytophth
Externí odkaz:
http://hdl.handle.net/10150/215750
Autor:
Matheron, M., Matejka, J.
This study was initiated to evaluate and compare the effect of root and soil treatments with sodium tetrathiocarbonate (STTC) (Enzone), metalaxyl (Ridomil), and fosetyl-Al (Aliette) on subsequent development of Phytophthora root rot on citrus. Diseas
Externí odkaz:
http://hdl.handle.net/10150/215725