Featured Research

from universities, journals, and other organizations

New Peanut Variety Resistant To Nematodes, Virus

Date:
May 23, 2008
Source:
US Department of Agriculture
Summary:
A new peanut variety may help farmers in their battle against two key peanut problems. Peanuts are a very popular commodity, with annual U.S. production well above 2 billion pounds. But peanut varieties are plagued by pests like the peanut root-knot nematode and diseases like tomato spotted wilt virus.

A new peanut variety developed by ARS is the first with resistance to both root knot nematodes and tomato spotted wilt virus.
Credit: Photo courtesy USDA

A new peanut variety developed by Agricultural Research Service (ARS) scientists may help farmers in their battle against two key peanut problems.

Related Articles


Peanuts are a very popular commodity, with annual U.S. production well above 2 billion pounds. But peanut varieties are plagued by pests like the peanut root-knot nematode and diseases like tomato spotted wilt virus (TSWV).

While certain peanut varieties exhibit resistance to either the microscopic worms or the TSWV pathogen, Tifguard is the first variety that has resistance to both. It is the product of research by plant geneticist C. Corley Holbrook in the ARS Crop Genetics and Breeding Research Unit at Tifton, Ga.; plant pathologist Patricia Timper in the ARS Crop Protection and Management Research Unit, also at Tifton; and University of Georgia collaborators Albert Culbreath and Craig K. Kvien, in the College of Agriculture and Environmental Sciences.

Tifguard was developed by hybridizing a TSWV-resistant cultivar with a nematode-resistant cultivar. Field tests for resistance to peanut root-knot nematode were conducted at two Georgia farms in Tift County that were heavily infested. In testing for TSWV-resistance, Tifguard plants were grown in plots at one of the Tift County farms that also displayed severe TSWV problems.

Not only did Tifguard exhibit higher resistance to TSWV, it also produced higher yields than standard check cultivars when grown in fields with little or no nematode pressure. And because of its high level of resistance to both TSWV and root knot nematode, Tifguard had significantly higher yields than all other varieties when grown in two locations with high pressure from both pathogens.

For these reasons, Tifguard should be particularly valuable to peanut growers who have to deal with both root-knot nematodes and TSWV. It was released in 2007 and is currently in seed production. Seed for farmers should be available by the 2009 planting season.


Story Source:

The above story is based on materials provided by US Department of Agriculture. Note: Materials may be edited for content and length.


Cite This Page:

US Department of Agriculture. "New Peanut Variety Resistant To Nematodes, Virus." ScienceDaily. ScienceDaily, 23 May 2008. <www.sciencedaily.com/releases/2008/05/080521101458.htm>.
US Department of Agriculture. (2008, May 23). New Peanut Variety Resistant To Nematodes, Virus. ScienceDaily. Retrieved January 29, 2015 from www.sciencedaily.com/releases/2008/05/080521101458.htm
US Department of Agriculture. "New Peanut Variety Resistant To Nematodes, Virus." ScienceDaily. www.sciencedaily.com/releases/2008/05/080521101458.htm (accessed January 29, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Thursday, January 29, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Dogs Bring on So Many Different Emotions in Their Human Best Friends

Dogs Bring on So Many Different Emotions in Their Human Best Friends

RightThisMinute (Jan. 28, 2015) From new-puppy happy tears to helpful-grocery-carrying-dog laughter, our four-legged best friends can make us feel the entire spectrum of emotions. Video provided by RightThisMinute
Powered by NewsLook.com
Scientists Say Earliest Snakes Lived Alongside The Dinosaurs

Scientists Say Earliest Snakes Lived Alongside The Dinosaurs

Newsy (Jan. 28, 2015) Wrongly categorized as lizard fossils, snake fossils now show the reptile could have developed earlier than we thought — 70 million years earlier. Video provided by Newsy
Powered by NewsLook.com
Malnutrition on the Rise as Violence Flares in C. Africa

Malnutrition on the Rise as Violence Flares in C. Africa

AFP (Jan. 28, 2015) Violence can flare up at any moment in Bambari with only a bridge separating Muslims and Christians. Malnutrition is on the rise and lack of water means simple cooking fires threaten to destroy makeshift camps where people are living. Duration: 00:40 Video provided by AFP
Powered by NewsLook.com
Poultry Culled in Taiwan to Thwart Bird Flu

Poultry Culled in Taiwan to Thwart Bird Flu

Reuters - News Video Online (Jan. 28, 2015) Taiwan culls over a million poultry in efforts to halt various strains of avian flu. Julie Noce reports. Video provided by Reuters
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins