马铃薯缺陷和疾病来自北美地区

九月 18, 2020

Potato Diseases and Tips to Manage them in Storage

A key requirement for a longtime potato storage is that the storage conditions match the needs and end use of the crop. These requirements of can be assessed before harvest by doing several test digs which allow to determine the distribution and level of tuber infection.

四月 27, 2020

Potato brown rot bacteria found in Michigan greenhouse in Geraniums

The United States Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of Ralstonia solanacearum race 3 biovar 2 (RSr3b2) in a single variety of geranium plants located in a Michigan greenhouse.

三月 23, 2020

Large research project looks to combat major potato disease

More than $3 million is being invested in studying a major cause of potato yield reduction in Prince Edward Island and other spud-growing areas in Canada.

二月 26, 2020

Potato plants at highest risk of potato virus Y infection during first three weeks

Potato virus Y is the most economically important and devastating aphid-transmitted virus, affecting both tuber yield and quality. The virus is also a major cause of seed potato degeneration, which leads to regular flushing out of seed potatoes.

二月 14, 2020

PEI Potato Farms Using New Decision Support Tools to Improve Use of Crop Protectants

A growing number of Prince Edward Island potato farms are taking advantage of new technology to improve their use of crop protectants, including fungicides used to prevent late blight.

WPC Webinar - January 24, 2020 with Dr. David Douches

一月 13, 2020

World Potato Congress Webinar: January 24, 2020 with Dr. David Douches

The World Potato Congress (WPC) continues with its webinar series in its 2020 on January 24, with a webinar featuring Dr. David Douches of 'Feed the Future – Biotechnology Potato Partnership'

十二月 05, 2019

Online tool to detect blackleg disease in potato using DNA testing has widespread application

Scientists have developed a user-friendly online tool called Uniqprimer, which quickly and automatically designs species-specific DNA tags (also known as primers) for detecting pathogens such as Dickeya dianthicola using DNA testing.

Potato infected with late blight (Courtesy: ARS / Scott Bauer)

十一月 08, 2019

Phytophthora infestans, causing late blight in potatoes, has a virus accomplice

A research team has identified a virus infecting Phytophthora infestans, the pathogen causing late blight in potatoes and tomatoes, that appears to increase the pathogen's ability to cause the disease.

十月 14, 2019

Researchers using advanced imaging to detect blight in potatoes

Researchers in the WARF Accelerator program are using advanced imaging technology to detect late blight in potatoes, which famously led to the Irish potato famine in the mid-nineteenth century.

十月 08, 2019

US Potato Growers Asked To Watch For Tuber Moth As Harvest Approaches

Its harvest time for many in the potato industry, and those not quite to that point, harvest will be here before you know it. Washington State University’s Tim Waters said growers need to continue to watch for pests.

NPC scholarship goes to Wisconsin student studying silver scurf disease

九月 20, 2019

National Potato Council scholarship goes to Wisconsin student studying silver scurf disease

The National Potato Council (NPC) has named University of Wisconsin-Madison graduate student Sofia Giron the winner of its annual $10,000 scholarship. Giron is a fourth-year grad student studying plant pathology.

八月 13, 2019

Late blight detected in central Wisconsin, southern Washington

Late blight has been confirmed in a potato field in central Wisconsin.

WSU Researchers looking at nature itself for help to defend potatoes against threats

七月 23, 2019

Looking for help in nature itself to defend potatoes against nematodes and scab

WSU plant pathologists Kiwamu Tanaka and Cynthia Gleason are exploring novel approaches to protect the potato crops against nematodes and scab - mobilizing nature itself.

七月 06, 2019

Ongoing research in Idaho targets PVY in search of solutions

Ongoing studies at the University of Idaho’s Aberdeen Research & Extension Center seek to help seed potato growers avoid a chronically troublesome disease spread by aphids, called potato virus Y, writes John O’Connell in the Idaho State Journal.

六月 19, 2019

Scientists discover key plant virus-insect virus interaction

Aphids and the plant viruses they transmit cause billions of dollars in crop damage around the world every year.

六月 11, 2019

Cornell University improves global access to potato breeding material

Plant breeders and geneticists of Cornell University have released more than 50 potato varieties since 1908. Now they are expanding their efforts to make more wild potato seeds available to potato breeders around the world.

Dr. Chad Hutchinson Director of Research at TriEst Ag Group, Inc. Exposition in Potato Expo 2018 (Courtesy: Plant Management Network)

四月 30, 2019

Chloropicrin Soil Fumigation in Potato Production Systems

In his presentation at the the 2018 Potato Expo, Dr. Chad Hutchinson discusses the benefits of using Chloropicrin in potato production. Chloropicrin increases production efficiency, profit potential for potato growers, and it also improves soil health.

四月 20, 2019

New type of zebra chip disease discovered in potato fields of Oregon

ARS Researchers studied potato tubers from the Klamath Basin in Oregon infected with the causal bacteria of zebra chip disease. They confirmed the presence of the pathogen but did not identify the sample as one of the six known varieties (haplotypes).