马铃薯缺陷和疾病 来自美国

Approval of three second generation Innate potato varieties by the US Environmental Protection Agency and the Food and Drug Administration means Simplot is free to plant the potatoes this spring and sell them in the fall (Courtesy: Simplot).
三月 20, 2017
US government approved 3 more Simplot GMO potato types for cultivation and sale
The US federal government has given the final OK to three more types of potatoes genetically engineered by Boise’s J.R. Simplot Co. to resist Phytophthora - the pathogen that caused the Irish potato famine.
From the archive
Soil fumigation in Wicklow, New Brunswick. The field is fumigated with chloropicrin in the fall of the 2015, as part of a trial McCain Foods is conducting with its processing potato growers on both sides of the border. (Courtesy: Triest Ag Group)
二月 07, 2017
Potato growers in Maine apply soil fumigation in a trial of McCain Foods
French Fry manufacturer McCain Foods has started trials examining soil fumigation with several of its potato growers in Maine (United States) and New Brunswick (Canada).
From the archive
Memorial in Dublin, Ireland commemorating the potato famine of the 1840's caused by Phytophthora infestans
一月 04, 2017
Study Provides Evidence on Movement of Potato Famine Pathogen
North Carolina State University research delves into the movement and evolution of the pathogen that caused the Irish potato famine in the 1840's - Phytophthora infestans -, which set down roots in the United States before attacking Europe
From the archive
This webcast on Potato white mold - also known as Sclerotinia stem rot - is developed by Dennis A. Johnson, Ph.D. Professor, Extension Plant Pathologist, Washington State University (Courtesy: Washington State University)
十二月 06, 2016
Potato White Mold: how it spreads and how it can be managed
The Plant Management Network (PMN) has released a new presentation entitled 'Epidemiology and Management of Potato White Mold' to help growers, consultants and extension agents understand how white mold persists and spreads
From the archive
A bruised potato. The discoloration that occurs after tissue damage is largely caused by the activity of the enzyme polyphenoloxidase (PPO). In the Calyxt PPO_KO potato variety (one of the) genes coding for the PPO enzyme is knocked out, making the variet
十月 26, 2016
USDA clears Calyxt potato modified to withstand bruising
A new potato variety that’s genetically modified to withstand bruising has been cleared for commercialization without undergoing USDA’s deregulatory process for biotech crops.
From the archive
From left to right: Michael Murphy ’17; Kathryn Boor, the Ronald P. Lynch Dean of the College of Agriculture and Life Sciences; State Sen. Thomas O’Mara, R, C-Big Flats; Melanie Wickham, executive director of Empire State Potato Growers and Walter DeJ
十月 20, 2016
Cornell University receives state grant to upgrade Golden Nematode Lab
Cornell University receives $1.2 million of new state funding to upgrade the Federal Golden Nematode Lab
From the archive
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Justin Clements, a fifth year doctoral student in the Molecular and Environmental Toxicology Center working in the Department of Entomology at the University of Wisconsin-Madison, is the recipient of the 2016-2017 National Potato Council Academic Scholars
八月 17, 2016
National Potato Council Awards Academic Scholarship for Potato Research to Justin Clements
Justin Clements, a fifth year doctoral student in the Molecular and Environmental Toxicology Center working in the Department of Entomology at the University of Wisconsin-Madison, is the recipient of the 2016-2017 NPC Academic Scholarship.
From the archive
Adult Potato Psyllid (Bactericera (paratrioza) cockerelli) (Courtesy: Gary McDonald)
八月 11, 2016
Potato Psyllid Alert for North Dakota
Potato psyllids have been reported in specific fields in western and central North Dakota. At this point populations are not widespread.
From the archive
Participants at the 25th annual Texas Potato Breeding and Variety Development Program field day learned that the harvest is underway, that psyllids are threatening unharvested fields and that new varieties are showing lots of promise.(Courtesy: Texas A&
八月 01, 2016
Harvest, psyllids & new varieties the hot topics at Texas potato field day
Participants at the 25th annual Texas Potato Breeding and Variety Development Program field day learned that the harvest is underway, that psyllids are threatening unharvested fields and that new varieties are showing lots of promise.
From the archive
Examples of the damage done to potato fields in North East North Dakota: (Top:) A once promising potato field stands under water. (Bottom left:) A hail devastated potato crop in Pembina County. (Bottom right:) A potato field claimed by rain and hail.
(C
七月 27, 2016
Weather Continues to Devastate Potato Crops in Northeast North Dakota
The heart of "Potato Country" in northeast North Dakota was devastated by baseball size hail that lasted up to 35 minutes last Tuesday night.
From the archive
Potato Plant wilting due to Dickeya (Courtesy: Cornell University)
七月 17, 2016
Dickeya Blackleg: New Potato Disease Causing Major Impact
Dickeya blackleg, often just called Dickeya, is a new disease in the United States. It was severe in 2015 at least partly reflecting hotter weather than previous 2 years when the pathogen likely was present and is developing again in 2016.
From the archive
Plants infected with the original strain of PVY are difficult to see (pale center plant). However, the newer strains are virtually undetectable with the naked eye (Courtesy: Washington State University).
七月 13, 2016
New Potato Virus Y strains very difficult to detect with the naked eye
Several newly evolved strains of the disease known as potato virus Y, or PVY, can render potatoes unmarketable and reduce crop yield. What’s worse is the new viruses are particularly difficult to detect with the naked eye.
From the archive
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In the Red River Valley, 2016 is shaping up to be the year of the Colorado Potato Beetle (Leptinotarsa decemlineata).(Courtesy: @spudology / twitter)
七月 02, 2016
Colorado Potato Beetles are munching on in the Red River Valley
According to the University of Minnesota Extension 'Spudbug' Newsletter, it is shaping up to be a Colorado Potato Beetle (CPB) year in the Red River Valley.
From the archive
Signing in for the annual potato field day at OSU Hermiston Agricultural Research and Extension Center
(Courtesy: OSU Hermiston Agricultural Research and Extension Center / Facebook)
六月 29, 2016
Searching for genes to make potatoes resistant to nematodes
Potato breeders at Oregon State University are working to identify the gene that makes certain potatoes resistant to nematodes, which could then be used to create new varieties.
From the archive
Potato and oat fields can be seen on the last day of planting on June 18 at Hemphill Farms in Presque Isle. The farm rotates fields between oats and potatoes. (Courtesy: Hemphill Farms / Bangor Daily News)
六月 27, 2016
Potato planting in Maine complete after winter dealing with Dickeya
Maine potato farmers have wrapped up planting and are hoping for a good year.
From the archive
The webcast is developed by Amanda Gevens, Associate Professor and Extension Plant Pathologist and the University of Wisconsin–Madison
六月 16, 2016
‘Focus on Potato’ Webinar: Late Blight Management
Late blight is a potentially destructive disease of potato and tomato crops worldwide that can result in significant losses if detected too late, diagnosed incorrectly, or if not treated properly.
From the archive
Nematodes are a microscopic worms that threaten potato production
六月 03, 2016
University of Idaho leads major research effort to reduce the threat of nematodes
The University of Idaho is leading a $3.2 million project to combat microscopic worms (nematodes) that threaten potato production.
From the archive
Guatemalan tuber moth larvae cause great damage to potatoes. (Courtesy: Pavan Kumar, Boyce Thompson Institute)
五月 05, 2016
Potato plants trigger aboveground defenses in response to tuber attacks
Potato plants boost the chemical defenses in their leaves when Guatemalan tuber moth larvae feed on their tubers, report researchers at the Boyce Thompson Institute (BTI).
From the archive

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