马铃薯缺陷和疾病

Liberibacter, the bacterium responsible for zebra chip, has been found in an Idaho potato field.

The University of Idaho extension today announced that the potato psyllids found last month in Idaho tentatively tested positive for Liberibacter, Zebra Chip disease.

Do potato psyllids migrate from one location to the next, starting in northern Mexico and moving northward as the potato season progresses, or are psyllid populations local?

Two adult potato psyllids were found on yellow sticky cards that were collected June 19 from a Twin Falls County potato field, according to an alert issued Tuesday by University of Idaho Extension staff.

Dutch tests on a new strain of potato blight similar to that discovered for the first time in the UK last year have shown some isolates have reduced sensitivity to the common active fluazinam used to control the disease.

The disease risk in potatoes has increased with the wet weather over the last few weeks. Luckily, so far no late blight hasbeen found in Manitoba.

East African farmers, who are mostly small-scale, currently select their seed potatoes from the mass of harvested potatoes. That results in lots of virus diseases and potato brown rot, as well as low yields of an average of 10.5 tons per hectare. Tha...

Currently, eliminating a virus from an infected plant requires considerable time and money. The price is more than US$500, and the process can take up to a year. Searching for a more cost- and time-effective solution, scientists at the International P...

Potato crops in Britain are facing high blight pressure this season, demanding the best possible protection under extremely challenging application conditions.

Researchers cooperate to develop nutritious, high-yielding, and more disease-resistant potatoes for food-insecure indigenous communities in Colombia.

Potato pests can vary across Canada’s potato-growing regions. Whether they are new or notorious, their reach and severity depends upon Mother Nature’s whims.

Late blight has not been reported in North Dakota, Minnesota or Manitoba. With the fair weather, late blight severity values are unchanged since Friday.

Late blight, the same disease that caused Ireland's potato famine in the 19th century, was confirmed in three Pennsylvania counties last week.

Researchers recommend potato growers in the Pacific Northwest intensify their field scouting programs for the potato psyllids that spread the crop disease zebra chip.

Oregon State University researchers say they've found two fields in their region harboring thousands of volunteer potato plants infected with the Liberibacter bacterium that causes the crop disease zebra chip.

Pakistani exporters of potato are facing a loss of millions of dollars as Russia has stopped clearance of consignments after complaining that the potatoes from Pakistan are infected with a disease.

Bayer CropScience will have two new products available for potato growers in two to three years' time, subject to approval.

The Plant Pathology Department at North Dakota State University will again be providing the potato Blightline service at no charge to the potato industry of North Dakota and western Minnesota in 2012.