Navigation Links
Sweetpotato foundation seed tested in commercial operations
Date:7/1/2011

CHASE, LASweetpotato is gaining popularity in the United States, where health-conscious consumers have created increased demand for the tasty, versatile food. According to the U.S. Department of Agriculture, per capita consumption of the crop increased over 24% from 1998-2008 and the value of the U.S. sweetpotato crop in 2009 exceeded $400 million.

Production costs for sweetpotato crops are high, requiring that commercial growers optimize their production techniques and quality to keep up with consumer demand. Because sweetpotato is vegetatively propagated, viruses and mutations can accumulate readily, leading to plant decline. To maintain the integrity of commercial seed stock, sweetpotato foundation seed programs in the United States provide virus-tested foundation seed to commercial producers.

To better understand how rapidly the foundation seed declines after integration into commercial operations and to determine if production location affects decline, researchers conducted a study to evaluate changes in seed quality among farms in the major sweetpotato production areas of Louisiana. The results appeared in HortTechnology. "Although preliminary evaluations indicated that low incidence of re-infection with viruses can occur during the production of foundation seed, little information was available to evaluate how rapidly seed productivity and quality declined on farms, where older generations of sweetpotato are also grown and could serve as sources of inoculum for reinfection of new seed.", explained Christopher Clark, a Louisiana State University faculty member and lead author of the study.

G1 seed (seed grown 1 year after virus therapy in the foundation seed production field at the Sweet Potato Research Station, Louisiana State University Agricultural Center) was used as a reference to compare the yield and virus incidence of growers' generation 2 (G2) and generation 3 (G3) seed roots (grown in the growers' seed production fields 1or 2 years following the year of foundation seed production). "Although yields of plants grown from G2 and G3 seed were 86.3% and 86.1% for U.S. No. 1 and 83.3% and 86.0% for total marketable, respectively, compared with the yields from G1 seed, they were not significantly different", the scientists reported. Yield and virus incidence data suggested that seed quality may vary from year to year and from location to location.

Clark said that study results suggest that producers are indeed realizing yield benefits by incorporating virus-tested foundation seed into their production schemes. "It is also evident from the data that there is a decline in performance once this seed is increased on commercial farms in close proximity to older, infected propagating material. If the rate of virus re-infection on farms could be reduced, it appears that further improvements in yield could be realized", he added.

The scientists recommended that future studies should investigate methods that have proven useful on other crops, such as border crops, and the use of stylet oil sprays to reduce virus transmission. Additionally, clean seed programs should be augmented with enhanced virus resistance, tolerance, or both.


'/>"/>

Contact: Michael W. Neff
mwneff@ashs.org
703-836-4606
American Society for Horticultural Science
Source:Eurekalert  

Related biology news :

1. Guy Harvey Ocean Foundation funds University of Miamis R.J. Dunlap Program
2. Wildlife Conservation Society receives $150,000 grant from Newmans Own Foundation to save gorillas
3. Statement: The New York Stem Cell Foundation on lifting ban of federal funds for stem cell research
4. S.L.E. Lupus Foundation announces new grants to further NYC scientists leadership in lupus research
5. Michael S. Watson, Ph.D., receives Am College of Medical Genetics-ACMG Foundation Presidents Award
6. Fueling interventional radiology growth: SIR Foundation announces Navilyst Medical Pledge
7. ARVO Foundation for Eye Research honors Deisseroth with first Ludwig von Sallman Clinician-scientist Award
8. Anna-Kaisa Niemi awarded 2011 Genzyme/ American College of Medical Genetics Foundation Fellowship
9. Cystic Fibrosis Foundation funds Marshall research
10. Advertising Research Foundation Develops Standards for Neuromarketing Research
11. Philippine Foundation awarded grant for innovative bone health awareness program
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Sweetpotato foundation seed tested in commercial operations
(Date:3/14/2016)... http://www.apimages.com ) - ... - Renvoi : image disponible via AP Images ( ... --> DERMALOG, le leader de l,innovation ... d,empreintes digitales pour l,enregistrement des réfugiés en Allemagne. ... produire des cartes d,identité aux réfugiés. DERMALOG dévoilera ...
(Date:3/10/2016)... March 10, 2016   Unisys Corporation (NYSE: ... Protection (CBP) is testing its biometric identity solution at ... to help identify certain non-U.S. citizens leaving the ... test, designed to help determine the efficiency and accuracy of ... February and will run until May 2016. --> ...
(Date:3/8/2016)... 2016   Valencell , the leading innovator ... has secured $11M in Series D financing. The ... venture fund being launched by UAE-based financial services ... investors TDF Ventures and WSJ Joshua Fund. Valencell ... triple-digit growth and accelerate its pioneering innovation in ...
Breaking Biology News(10 mins):
(Date:5/23/2016)... ... May 23, 2016 , ... PrecisionAg® ... Farming in 2017 and Beyond. The paper outlines the key trends that are ... industry. , “We’ve witnessed a lot of highs and lows as the precision ...
(Date:5/23/2016)... CA (PRWEB) , ... May 23, 2016 , ... ... public interest organization focused on molecular nanotechnology, announced the winners for the 2015 ... pioneer physicist Richard Feynman, are given in two categories, one for experiment and ...
(Date:5/20/2016)... Baltimore, MD (PRWEB) , ... May 20, 2016 , ... ... contaminated with Listeria, as reported by Food Safety News on May 12, 2016(1), demonstrates ... according to Ted Olsen, CEO of Baltimore-based biotech firm, PathSensors, Inc. ...
(Date:5/19/2016)... May 19, 2016 ... (OTC PINK: RGBPP) announced today initiation of a ... cord blood based cancer immunotherapeutic product leveraging its ... Regen described a generation of cord blood derived ... gene silencing.  The product in development will be ...
Breaking Biology Technology: