Idaho Potato Psyllids test positive for zebra chip disease
The University of Idaho extension today announced that the potato psyllids found last month in Idaho tentatively tested positive for Liberibacter, Zebra Chip disease.
June 28, 2012
New blight strain prompts fungicide concerns in the UK
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.
June 28, 2012
Potatoes off to a good start in Canada#s Manitoba province
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.
June 28, 2012
Two potato psyllids found in Twin Falls spud field
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.
June 27, 2012
East Africa: better selection of seed potatoes improves yield thirty percent
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...
June 25, 2012
Advice for British growers to cover challenging blight conditions
Potato crops in Britain are facing high blight pressure this season, demanding the best possible protection under extremely challenging application conditions.
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June 25, 2012
McGill University and developing-country scientists working on a better potato for Colombian communities
Researchers cooperate to develop nutritious, high-yielding, and more disease-resistant potatoes for food-insecure indigenous communities in Colombia.
June 25, 2012
RNA silencing project aims to reduce plant virus clean-up time from one year to far less
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...
June 20, 2012
Pest outlook for Canada’s potato-growing regions
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.
June 19, 2012
NDSU Potato Blightline - Recommendations for June 18
Late blight has not been reported in North Dakota, Minnesota or Manitoba. With the fair weather, late blight severity values are unchanged since Friday.
June 19, 2012
Pennsylvania potato, tomato growers hit by late blight, should remain vigilant
Late blight, the same disease that caused Ireland's potato famine in the 19th century, was confirmed in three Pennsylvania counties last week.
June 15, 2012
Idaho growers told to intensify hunt for potato psyllids
Researchers recommend potato growers in the Pacific Northwest intensify their field scouting programs for the potato psyllids that spread the crop disease zebra chip.
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June 12, 2012
Volunteer spuds could serve as source of zebra chip infection
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.
June 07, 2012
Russia threatens ban on Pakistani potatoes due to disease concerns
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.
June 05, 2012
New potato insecticide and fungicide in the pipeline for British growers
Bayer CropScience will have two new products available for potato growers in two to three years' time, subject to approval.
June 04, 2012
North Dakota State University Potato Blightline to Operate in 2012
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.
June 01, 2012
Tuber blight added to Zampro DM fungicide label in the UK
The blight fungicide containing Initium and dimethomorph, Zampro DM, has had reduction of tuber blight incidence added to its label, in addition to the control of late foliar blight.
May 14, 2012
Rhizoctonia hits in cold wet potato seedbeds in Britain
Rhizoctonia is running rife in cold, wet potato seedbeds and hampering crop emergence this season.