马铃薯缺陷和疾病

An adult potato psyllid, the insect responsible for the spread of Zebra Chip disease (Candidatus Liberibacter solanacearum) in potatoes
(Courtesy: Don Henne, Texas A&M AgriLife Research)
七月 03, 2017
University of Idaho reports light potato psyllid pressure
Pressure from the tiny, winged insects that spread zebra chip disease in potatoes has been light in Idaho this season, emboldening some Idaho farmers to scale back on their pesticide programs.
Workers sort potatoes at Chartonel farm in Lusaka (Courtesy: Jack Zimba / Zambia Daily Mail Limited)
七月 02, 2017
Zambia urgently needs to better regulate the import of potatoes and establish phytosanitary labs
Zambia and South Africa may be perfectly at peace, but farmers on either side of the Limpopo River - the border between the two countries - seem engaged in a trade war. And it is mostly about potatoes...
Grim situation: Potato Growers showing their crop near Shantigrama in Hassan District, Karnataka, India.
七月 02, 2017
Potato Growers in Hassan losing hope of good returns as lack of rain results in poor germination
Within 30 days into potato cultivation this year, growers in Hassan, Karnataka are losing hope of good returns in their field. The poor germination is linked by experts to the lack of rainfall.
PVMI Executive Director Jeanne Debons at the University of Idaho Potato Conference in Pocatello, Idaho
六月 27, 2017
New Russet varieties - Castle Russet and Echo Russet will help US potato industry meet more stringent regulation
Two recently released new Russet varieties - Castle Russet and Echo Russet - should help the potato industry in the Pacific Northwest cope with more stringent regulations on soil fumigants
Colorado potato beetles can decimate spud crops by devouring the plants’ foliage.
六月 27, 2017
To protect crops, farmers could promote potato beetle cannibalism
UMaine scientists say farmers could try to protect their potato crop by utilizing agricultural practices — including crop rotations and push-pull strategies — to create field conditions that favor Colorado potato beetle cannibalism.
The workflow of the stem cutting tuberisation assay (left). Effect of heat stress on tuberisation potential (right): Tolerant potato varieties form a tuber both at the high and the low temperature, sensitive varieties only at the lower temperature.
六月 22, 2017
Making a potato variety heat tolerant could be as simple as switching a single gene
Scientists have identified a version of a single gene involved in the heat stress response that is more active in potato types that can tolerate high temperature, potentially providing potato breeders a tool to make potato varieties less vulnerable to increased temperature.
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Feedback on the 2017 Europatat congress and side events has been extremely positive. (Courtesy: Twitter / Dick Hylkema, NAO)
六月 20, 2017
Europatat Conference on plant health and potato trade was, well... GREAT!
Last week on 15 & 16 June, the Europatat Congress 2017 took place. Feedback on the congress and side events has been extremely positive.
A young farmer inspect his potato plantation in Eldama Ravine, Baringo. Potato Cyst Nematode (PCN), a deadly pest currently ravages potato crops in several counties in Kenya (Courtesy: Daily Nation)
六月 19, 2017
Potato Cyst Nematodes threaten crop in Kenya
A survey done in 20 counties in Kenya released earlier this month, shows that Potato Cyst Nematode infestation has reached 80 to 100 per cent in some of the potato growing areas.
Angelica Cameron of IPM Technologies is discussing insect management in potato crops with growers on Kangaroo Island
六月 19, 2017
IPM approach seed potato growers Kangaroo Island hops to mainland Australia
Seed potato growers on Kangaroo Island - an island off the mainland of South Australia - are successfully adopting a new strategy to manage the aphids and thrips pestering their crops, taking on expert advice from agronomists and entomologists to adopt integrated pest management for these insect pests.
The bacterial pathogen Dickeya dianthicola causes a disease called blackleg where potato stems decay. The disease can kill growing plants within a few days.
六月 12, 2017
Colorado State University to study the spread of pathogens in US potato crops
Colorado U.S. Senators Michael Bennet and Cory Gardner this week announced that Colorado State University will receive $264,600 in funding from the U.S. Department of Agriculture (USDA) to study the spread of pathogens in U.S potato crops.
The field trials are part of TSL’s Potato Partnership Project to develop a Maris Piper potato that is blight and nematode resistant, bruises less and produces less acrylamide when cooked at high temperatures.
五月 11, 2017
The Sainsbury Laboratory received approval for a four-year trial of genetically modified (GM) potatoes
In the United Kingdom, farming minster George Eustice (DEFRA) has approved a four-year trial of genetically modified (GM) potatoes at The Sainsbury Laboratory in Norwich.
Oregon State University researchers Markus Kleber and David Myrold were awarded about $80,000 from the consortium for the initial year of a two year soil focused project. They believe soil holds the secret to raising healthy potato crops without using fu
五月 11, 2017
Northwest Potato Research Consortium has awarded grants for 37 regional potato projects
The Northwest Potato Research Consortium recently approved a combined $1.5 million in grant funding to 37 research projects.
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Potato tuber infected with Dickeya dianthicola, a bacteria that causes the rotting disease blackleg (Courtesy: Steve Johnson)
五月 11, 2017
Should Seed Potato Growers start testing for Dickeya?
The potato disease Dickeya can be detected by laboratory testing — but is there enough of it present to justify the higher costs? That is the question facing Canadian Seed Potato Growers exporting to the United States who are increasingly asked for the test.
Microtuber potato cultivars used in research by the Wisconsin Seed Potato Certification Program inside an environmentally-controlled growth room at the Biotron Laboratory at UW–Madison. (Courtesy: Bryce Richter)
五月 09, 2017
From test tube to plate, UW–Madison program keeps potatoes clean
Years before that french fry landed on your plate, the plant that would eventually give rise to the spud your fry was cut from was sealed away deep in a secure-access building, growing slowly in a test tube inside a locked growth chamber.
Buntata is a collaborative effort between the University of St Andrews and the James Hutton Institute to enable open access to our information resources and put them at the fingertips of potato growers.
五月 08, 2017
Buntata: a new tool to identify potato pests and diseases on the go
Buntata is a collaborative effort between the University of St Andrews and the James Hutton Institute to enable open access to our information resources and put them at the fingertips of potato growers.
The Humigator is offered by IHT for various sizes of potato stores. The unit humidifies the air and removes dirt particles, including spores and microorganisms
五月 07, 2017
Idaho Universities receive Grant to investigate Humigator in Potato Storage
A partnership between Idaho State University and Boise State University has been awarded an Idaho Global Entrepreneurial Mission (IGEM) grant to research the application of the Humigator in potato storage.
España: Galicia empieza a recoger la papa en las zonas infestadas por la polilla guatemalteca
五月 03, 2017
España: Galicia empieza a recoger la papa en las zonas infestadas por la polilla guatemalteca
La conselleira de Medio Rural, Ángeles Vázquez, ha comunicado que en los primeros cuatro ayuntamientos en los que se ha empezado a retirar la patata por la plaga de la polilla guatemalteca se han recogido "cerca de 17.000 kilos de patata", y ha pedido la "solidaridad" de los afectados para "facilitar" la recogida.
Despite the fact that the bacteria responsible for zebra chip disease occur in the Mediterranean and cause damage in leek and onions, the risk for transfer to potatoes is low, because of the feeding preferences of the transmitting psyllids in this area.
五月 03, 2017
Potatoes in the Mediterranean at low risk for infection by Zebra Chip disease
Despite the fact that the bacteria responsible for zebra chip disease occur in the Mediterranean and cause damage in leek and onions, the risk for transfer to potatoes is low, because of the feeding preferences of the transmitting psyllids in this area.

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