Welcome to Alliumnet!
We are an organization focused on the production of allium species in the United States.
On our website, you will find information on the latest research, resources for diagnosing diseases and problems, links to regional extension resources, and grower associations’ notices about upcoming scientific meetings and archives of prior research meetings.
About Onions in the USA
Onion, Allium cepa L., is the third most consumed vegetable in the U.S.A, behind tomato and potato. The per capita consumption of onions in the U.S. is about 20 pounds per year, which has increased 70% over the… read more
Alliumnet is a collaborative effort focused on supporting the production of allium species in the United States.
Find information resources for researchers, extension staff, and producers on… read more
NOA Winter Meeting, Nov 29-Dec 2, 2023, San Antonio TX
NARC National Allium Research Conference, Nov 30-Dec 2, 2023, San Antonio TX
The 2023 National Allium Research Conference (NARC) will be held together with the National Onion Association’s (NOA) winter meeting from Wednesday, Nov 29, to Saturday, Dec 2, 2023, at the San Antonio Marriott Riverwalk in San Antonio, Texas USA
See the meeting page for more information and registration links.
More items on the Calendar
Scientific journal articles
Agarwal Gaurav, Choudhary Divya, Stice Shaun P., Myers Brendon K., Gitaitis Ronald D., Venter Stephanus N., Kvitko Brian H., Dutta Bhabesh (2021). Pan-Genome-Wide Analysis of Pantoea ananatis Identified Genes Linked to Pathogenicity in Onion. Frontiers in Microbiology vol 12:2381
Koirala, Santosh & Zhao, Mei & Agarwal, Gaurav & Stice, Shaun & Gitaitis, Ronald & Kvitko, Brian & Dutta, Bhabesh. 2021. Identification of two novel pathovars of Pantoea stewartii subsp. indologenes affecting Allium sp. and millets. Phytopathology. 10.1094/PHYTO-11-20-0508-R.
Stumpf S, Leach L, Srinivasan R, Coolong T, Gitaitis R, Dutta B. Foliar Chemical Protection Against Pantoea ananatis in Onion Is Negated by Thrips Feeding. Phytopathology. 2021 Feb;111(2):258-267. doi: 10.1094/PHYTO-05-20-0163-R. Epub 2021 Jan 13. PMID: 32748732.
A new publication from the UGA team on bacterial streak and bulb rot of onion: bacterial streak and bulb rot of onion has been a problem in onion-growing regions of Georgia, USA since 1990. This disease can be a major limiting factor in onion production in other parts of the world. Weed species have been shown to serve as important inoculum sources for P. viridiflava (Gitaitis et al. 1998).