马铃薯缺陷和疾病来自美国

四月 22, 2013

Potato Psyllids Have Returned to Magic Valley

Potato Psyllids Have Returned to Magic Valley, Idaho Or maybe they just never went away. Psyllids, a tiny insect that can damage potatoes, might be hardier than some people originally thought.

三月 22, 2013

Trickery and Other Methods Explored To Vanquish Potato Cyst Nematodes

The pale cyst nematode, Globodera pallida, is one bad roundworm. Unchecked, it invades the roots of potato and other host crops to feed, obstructing the free flow of nutrients and causing stunted growth, wilted leaves, and other symptoms that can event...

三月 15, 2013

Potato Psyllids shown to survive harsh Idaho winter, heightening zebra chip concerns

It appears that potato psyllids, the tiny winged insects that can spread zebra chip disease in potato fields, will overwinter in Boise, Idaho, this season, despite the city experiencing one of its coldest Januaries on record.

三月 05, 2013

Idaho Potato growers approve contracts with Simplot, McCain

Idaho potato growers at a Monday meeting in Burley approved processing contracts with J.R. Simplot and McCain Foods that both include payment increases averaging 1.6 percent.

二月 27, 2013

Idaho Potato Growers to vote on McCain, Simplot contracts

Idaho potato growers will vote Monday in Burley on contracts with McCain Foods and J.R. Simplot Co. paying a 1.6 percent average increase, according to sources involved in negotiations.

Late blight (Phytophthora Infestans) on potato leaf

二月 19, 2013

University of Maine looking for blight-resistant potatoes

Potato breeding developments being researched by graduate students in the Department of Plant and Soil Sciences of the University of Maine look to save the future of Maine’s iconic crop.

二月 08, 2013

Late blight pathogen blocks RNA silencing pathways of potato plants

When a pathogen attacks a plant, infection usually follows after the plant’s immune system is compromised. A team of researchers at the University of California, Riverside focused on Phytophthora and deciphered how it succeeded in crippling the potato...

十月 18, 2012

Seed Potato Aging, Bacterial Ring Rot Webcasts Available in Focus on Potato

Understanding the physiology of seed potato aging and how it affects crop growth and yield can be vital to the industry. Such knowledge will allow growers to adopt management practices that control the aging process and optimize tuber set and size.

十月 11, 2012

South Korea lifts ban on Pacific Northwest grown potatoes

South Korea has lifted a ban against Pacific Northwest-grown potatoes used for things like potato chips, but a ban on other fresh potatoes still remains because of a fear over a bacterium known as zebra chip, state officials announced Wednesday during ...

九月 21, 2012

Idaho Potato Industry task force to probe origin of ring rot in Idaho potatoes

The Idaho potato industry is forming a task force to trace the origin of a ring rot flare-up that's affected roughly 20 farms, mostly in the Magic Valley area. University of Idaho Extension seed potato pathologist Phil Nolte, who will likely head the ...

九月 03, 2012

University of Wisconsin scientists probe, attack late blight in potatoes

As the annual potato harvest begins, Wisconsin farmers continue to check their fields for late blight, the ferocious plant disease that caused the 1848 Irish potato famine and fueled massive emigration from Ireland.

八月 30, 2012

Using Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis

The latest Focus on Potato Webcast from the Plant Management Network is available and addresses the use of Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis: Using Pathogen Detection Test Kits for Rapid Potato Disease Diagnosis

八月 28, 2012

Potato psyllid populations growing dramatically in Columbia Basin

Researchers say populations of potato psyllids - vectors of a new crop disease to the region called zebra chip - are growing dramatically in the Columbia Basin.

八月 23, 2012

US potato industry working to reverse ban on domestic exports to South Korea

The U.S. Department of Agriculture's Animal &Plant Health Inspection Service is working to provide data to officials in South Korea that it hopes will result in a reversal of a decision to ban potato exports from Oregon, Washington and Idaho.

八月 21, 2012

NDSU Potato Blightline for August 20

The NDSU Potato Blightline for August 20th sponsored by Syngenta Crop Protection has been issued.

八月 21, 2012

Take proactive approach to zebra chip, potato psyllid management

ast year, zebra chip made headlines when the potato disease caught a couple of Columbia Basin growers off guard and devastated their crop.

Zebra chip disease affected potato tubers

八月 16, 2012

University of Idaho receives grant to study zebra chip disease

The federal government is providing $109,000 for the University of Idaho to study an emerging plant disease the school says “poses a substantial threat to the state’s potato industry.” The money will be used to monitor potato fields for the presence o...