Zobrazeno 1 - 10
of 14
pro vyhledávání: '"James G. Jordahl"'
Autor:
Ryan M. Humann, Samuel G. Markell, Andrew Friskop, Jessica Halvorson, Michael Wunsch, Keith D. Johnson, Thomas J. Gulya, James G. Jordahl, Elizabeth C. Bauske, Keith A. O’Bryan, Scott M. Meyer
Publikováno v:
Plant Disease. 103:2498-2504
Downy mildew is a yield-limiting disease of sunflower, caused by the pathogen Plasmopara halstedii. Zoospore infection of root tissue shortly after planting results in systemic infection, causing postemergence damping off or severe stunting and head
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69aa1d9eb2b41e8433057a3a375e41af
https://doi.org/10.1094/pdis-11-18-2045-re
https://doi.org/10.1094/pdis-11-18-2045-re
Publikováno v:
Plant Health Progress. 19:92-96
Phomopsis stem canker is an economically important disease of sunflower (Helianthus annuus), and Diaporthe helianthi is one of the primary causal agents of the disease in the United States. The objective of this study was to evaluate inoculation meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65fb6f6d6c3f3fd272ba842eb7f2200d
https://doi.org/10.1094/php-10-17-0059-rs
https://doi.org/10.1094/php-10-17-0059-rs
Autor:
Carl A. Bradley, James G. Jordahl, Samuel G. Markell, Thomas J. Gulya, Andrew Friskop, N. R. Pataky
Publikováno v:
Plant disease. 94(2)
Sunflower rust caused by Puccinia helianthi (Schw.) is an autoecious and macrocyclic rust that occurs on wild perennial, wild annual, and cultivated sunflower species (Helianthus annuus L.). Severe epidemics of sunflower rust can significantly reduce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::055e0c382418a88e42e5a312d6bed382
https://pubmed.ncbi.nlm.nih.gov/30754288
https://pubmed.ncbi.nlm.nih.gov/30754288
Autor:
Joel P. Schaefer, Scott M. Meyer, Paul E. Hendrickson, Scott Halley, Thomas J. Gulya, James G. Jordahl, Samuel G. Markell, Blaine Schatz, Andrew Friskop, Kevin W. Misek
Publikováno v:
Plant disease. 99(9)
Sunflower rust is an important yield-limiting disease in sunflower production in the Great Plains of the United States. Rust severity and incidence have increased between 2002 and 2011, and genetic resistance is limited in most commercial hybrids, pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0b393616dd2ce149ec51a32fe7997b9
https://pubmed.ncbi.nlm.nih.gov/30695927
https://pubmed.ncbi.nlm.nih.gov/30695927
Autor:
Lisa A. Castlebury, Thomas J. Gulya, Samuel G. Markell, Kholoud M. Alananbeh, James G. Jordahl, Febina M. Mathew, Scott M. Meyer
Publikováno v:
Phytopathology®. 105:990-997
Phomopsis stem canker causes yield reductions on sunflower (Helianthus annuus L.) on several continents, including Australia, Europe, and North America. In the United States, Phomopsis stem canker incidence has increased 16-fold in the Northern Great
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f726082508004401839d4e5a7cf5b70b
https://doi.org/10.1094/phyto-11-14-0336-fi
https://doi.org/10.1094/phyto-11-14-0336-fi
Publikováno v:
Plant Disease. 102:240-240
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81556357f4dac9731422b6eef18e3c5d
https://doi.org/10.1094/pdis-04-17-0506-pdn
https://doi.org/10.1094/pdis-04-17-0506-pdn
Autor:
Blaine Schatz, Joel K. Ransom, Scott Halley, Scott M. Meyer, James G. Jordahl, Marcia McMullen
Publikováno v:
Cereal Research Communications. 36:563-568
Optimum management of Fusarium head blight in wheat and barley is best achieved with multiple strategies; a single strategy generally fails during epidemic conditions. Members of the management group of the US Wheat and Barley Scab Initiative establi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d26b75848ad66554698233437e154a41
https://doi.org/10.1556/crc.36.2008.suppl.b.45
https://doi.org/10.1556/crc.36.2008.suppl.b.45
Autor:
Lisa A. Castlebury, Kholoud M. Alananbeh, Febina M. Mathew, James G. Jordahl, Julie A. Pasche, Samuel G. Markell, Christopher Taylor, Robin S. Lamppa, Scott M. Meyer
Publikováno v:
Plant Health Progress. 16:71-72
North Dakota soybean production has expanded geographically, and possible short rotations with dry edible bean and pea raise concerns of pathogens (such as Diaporthe longicolla, cause of Phomopsis seed decay and stem disease of soybean) developing ov
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83032568d9e7b4dbc19c49b42ddd761c
https://doi.org/10.1094/php-rv-14-0045
https://doi.org/10.1094/php-rv-14-0045
Publikováno v:
Phytopathology®. 87:154-160
Cultivar-specific toxic metabolites of Pyrenophora tritici-repentis are involved in the appearance of necrotic and chlorotic foliar lesions characteristic of tan spot. A P. tritici-repentis necrosis-inducing toxin, Ptr necrosis toxin, was purified fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33a98b27854756bc16bc76477802701c
https://doi.org/10.1094/phyto.1997.87.2.154
https://doi.org/10.1094/phyto.1997.87.2.154
Publikováno v:
Crop Science. 36:771-777
Tan spot, a foliar disease of wheat (Triticum aestivum L. em Thell) and durum (T. turgidum var. durum L.) caused by Pyrenophora triticirepentis (Died.) Drechs., reduces yield in susceptible cultivars by 3 to 50%. Additional sources for resistance to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d57ca1964762d5bd28b94f1ddda21ab
https://doi.org/10.2135/cropsci1996.0011183x003600030040x
https://doi.org/10.2135/cropsci1996.0011183x003600030040x