Researchers Are Testing Disease-Resistant Potato Breeding Lines

Agricultural Research Service (ARS) scientists are testing five new potato breeding lines with the hope of opening the door to new varieties that resist powdery scab and black dot diseases.

The fungi responsible for these diseases many times show up together in the same soil, going after the potato plant’s roots, tubers, or stems. According to ARS, outbreaks can cause yield losses of up to 25% and stop tubers from reaching the sizes needed by the industry. Of the two fungi, only black dot can be controlled with fungicides. Typically, multiple applications are needed, driving up production costs.

A more sustainable alternative is genetic resistance, according to geneticist Chuck Brown, with the ARS Vegetable and Forage Crops Production Research Laboratory in Prosser, WA. In studies conducted there since 2004, researchers screened an existing collection of wild and cultivated potatoes for sources of natural resistance to powdery scab and black dot in a local grower’s infested field.

The researchers efforts led to five advanced potato breeding lines that had been developed from a wild species from Mexico, Solanum hougasii, and a recent commercial release, Summit Russet. In three years of field trials in Washington State and Idaho, the potato breeding lines consistently showed fewer disease symptoms — root galling for powdery scab and sclerotia-infected stems for black dot — than other lines and varieties tested.

The research findings have been published in the journal Plant Disease. For more information, click here.

Source: USDA ARS
 

Leave a Reply

Featured Stories
FruitsOrganic Industry Unites To “Bust Myths” Throughout September
September 2, 2015
Organic Trade Association members join forces in social media blitz to address misconceptions about organic production. Read More
CitrusResearchers Use Wasps To Protect Citrus Trees From Greening
September 2, 2015
A recent story in the Los Angeles Times highlights some of the new research being conducted in the fight against Read More
Apples & PearsHard Cider Organization Offers Accredited Program
September 1, 2015
United States Association of Cider Makers (USACM) introduces Sicera, the first-ever hard Cider Certification Program. This accreditation program is designed Read More
Apples & PearsProducts To Help Prevent Preharvest Drop In Apple Orchards
September 1, 2015
In the latest Extension bulletin from Penn State University, James Schupp associate professor of pomology suggests several products to apply Read More
Apples & PearsMarvin Sundquist Dies At 89
September 1, 2015
Marvin Sundquist, the retired owner of Sundquist Fruit and Cold Storage, died on Aug. 29 at the age of 89, Read More
Apples & PearsSyngenta Receives EPA Registration For Solatenol  Fungicide
September 1, 2015
The fungicide is available in four product offerings, pending state registrations. Read More
Grower Achievement AwardPero Family Farms Is The 2015 Grower Achievement Award Recipient
September 1, 2015
The farm family that runs this Delray Beach-FL based operation develops, produces, packages, and markets its fresh-cut products while continuing to think outside the box. Read More
Dennis P. Broadaway
CitrusFlorida Citrus Packers Bestows Association’s Highest Honor To One Of Its Own
September 1, 2015
For his dedication to the Sunshine State’s fresh citrus sector, Dennis Broadaway receives John T. Lesley Award for Excellence. Read More
Citrus Achievement AwardSaving Citrus A Perpetual Task
September 1, 2015
Orie Lee, the 2015 Citrus Achievement Award winner, talks about how growing citrus has changed in his lifetime and how it hasn't. Read More
Florida Ag Expo10th Annual Florida Ag Expo Field Tours To Tackle Production Challenges
September 1, 2015
There will be plenty to see and learn during the milestone event's exclusive field trials. Read More
The Latest
FruitsOrganic Industry Unites To “Bust Myths” Thr…
September 2, 2015
Organic Trade Association members join forces in social media blitz to address misconceptions about organic production. Read More
CitrusResearchers Use Wasps To Protect Citrus Trees From Gree…
September 2, 2015
A recent story in the Los Angeles Times highlights some of the new research being conducted in the fight against Read More
Apples & PearsHard Cider Organization Offers Accredited Program
September 1, 2015
United States Association of Cider Makers (USACM) introduces Sicera, the first-ever hard Cider Certification Program. This accreditation program is designed Read More
Apples & PearsProducts To Help Prevent Preharvest Drop In Apple Orcha…
September 1, 2015
In the latest Extension bulletin from Penn State University, James Schupp associate professor of pomology suggests several products to apply Read More
Apples & PearsMarvin Sundquist Dies At 89
September 1, 2015
Marvin Sundquist, the retired owner of Sundquist Fruit and Cold Storage, died on Aug. 29 at the age of 89, Read More
Apples & PearsSyngenta Receives EPA Registration For Solatenol  Fungi…
September 1, 2015
The fungicide is available in four product offerings, pending state registrations. Read More
Grower Achievement AwardPero Family Farms Is The 2015 Grower Achievement Award …
September 1, 2015
The farm family that runs this Delray Beach-FL based operation develops, produces, packages, and markets its fresh-cut products while continuing to think outside the box. Read More
Dennis P. Broadaway
CitrusFlorida Citrus Packers Bestows Association’s Highest Ho…
September 1, 2015
For his dedication to the Sunshine State’s fresh citrus sector, Dennis Broadaway receives John T. Lesley Award for Excellence. Read More
Citrus Achievement AwardSaving Citrus A Perpetual Task
September 1, 2015
Orie Lee, the 2015 Citrus Achievement Award winner, talks about how growing citrus has changed in his lifetime and how it hasn't. Read More
Florida Ag Expo10th Annual Florida Ag Expo Field Tours To Tackle Produ…
September 1, 2015
There will be plenty to see and learn during the milestone event's exclusive field trials. Read More
Apples & PearsPennsylvania Congressman Supports CIDER Act
August 31, 2015
Freshman Congressman Ryan Costello (PA-06) spent a recent afternoon at Frecon Farms in Boyertown, PA, to tout the CIDER Act, Read More
Oriental Fruit fly
CitrusExotic Fruit Flies Invade South Florida
August 31, 2015
Efforts are under way to eradicate pest that attacks more than 230 different fruits, vegetables, and nuts. Read More
Business PlanningBe Food Safety Recall-Ready [Opinion]
August 31, 2015
No one ever wants to make someone sick after consuming fresh produce, but in spite of the protocols in place, recallls happen and you must be prepared. Read More
Crop ProtectionSustainable Options For Controlling Brown Marmorated St…
August 31, 2015
A researcher from Rutgers University offers pointers to help you control this pest of fruits and vegetables. Read More
CitrusNominations Open For Next Class Of Florida Citrus Hall …
August 31, 2015
Inductees to be honored during the 54th annual Citrus Celebration Luncheon. Read More
CitrusWhole-Farm Revenue Protection Insurance To Be Available…
August 31, 2015
USDA offers greater flexibility for beginning, organic and fruit and vegetable growers. Read More
Cucurbits8 Must-Have Melons
August 31, 2015
This month’s variety specs feature focuses on the latest cantaloupe and melon varieties. Some of the features highlighted include disease Read More
drought management; irrigation; water management
CitrusClear Up Misconceptions About Water Use In Ag
August 31, 2015
Those in the industry need to to clear up misconceptions about water use in agriculture. Read More