Navigation Links
Soybean germplasm evaluations give US a head start against soybean rust pathogen
Date:4/4/2011

len Hartman of the USDA-ARS and the U of I Department of Crop Sciences, as well as collaborators from universities in Louisiana, Alabama, Georgia and South Carolina. The researchers discovered that only a subset of the soybean germplasm accessions that were resistant in South America or Africa (where soybean rust has the potential to cause up to 80 percent yield loss in some years) were resistant in the southern United States.

"The Rpp1 and Rpp3 resistance genes were found to be more effective in the United States, whereas the Rpp2 and Rpp4 genes were found to be more effective in South America," Walker said. "Nearly all of the soybean accessions that were found to be resistant to soybean rust in the United States were originally collected from southern Japan, northern Vietnam, or the island of Java (Indonesia)."

This suggests that the Brazil populations of soybean rust aren't the ancestors of the rust brought into the United States, he said. Many believed an October 2004 hurricane brought the spores from Central America or northern South America across the Gulf into the southern United States.

"It's possible it happened that way, but it seems less likely now," Walker said. "It's still a mystery how these spores got into the United States. Regardless, the soybean germplasm accessions that are resistant in South America are not necessarily resistant in the United States."

These discoveries have allowed soybean breeders to develop improved breeding lines that combine the resistance of Asian germplasm accessions with the higher yields and important agronomic traits of North American cultivars, Walker said. These lines are now being tested in the United States but are not in the public sector yet.

"It's difficult to transfer useful genes from Asian soybean types because the useful genes are often genetically linked to genes that cause problems with yield such as shattering, lodging and other undesirable traits," he said. "I
'/>"/>

Contact: Jennifer Shike
jshike@illinois.edu
217-244-0888
University of Illinois College of Agricultural, Consumer and Environmental Sciences
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Research proves new soybean meal sources are good fish meal alternatives
2. Study shows smaller rows contribute to more soybean yields in colder climates
3. Pest-resistant soybeans grow out of MSU research lab
4. Mapping out pathways to better soybeans
5. In elevated carbon dioxide, soybeans stumble but cheatgrass keeps on truckin
6. Gene discovery may lead to new varieties of soybean plants
7. U of I researchers identify new soybean aphid biotype
8. Additive copper-zinc interaction affects toxic response in soybean
9. Eat soybeans to prevent diseases
10. Discovering soybean plants resistant to aphids and a new aphid
11. Weed resistance to glyphosate in genetically modified soybean cultivation in Argentina
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Soybean germplasm evaluations give US a head start against soybean rust pathogen
(Date:4/17/2014)... and pathogens that devastate honeybees in Europe, Asia and ... do not appear to be impacting native honeybee populations ... researchers., The invasive pests include including Nosema microsporidia ... honeybees appear to be resilient to these invasive pests, ... control pests in Europe, Asia and the United States ...
(Date:4/17/2014)... France have hit on a novel method to ... correct and most effective treatment possible., Kidney stones ... and developing world. If left untreated, apart from ... failure and other complications. In many patients treated ... a more effective pathological approach to diagnosis and ...
(Date:4/17/2014)... stark warning on the possible effects of gases such ... times that of carbon dioxide. Now a team of ... fully regenerable electron acceptors which helps explain why large ... being released to the atmosphere. However, there are worries ... into a vicious cycle to release large amounts of ...
Breaking Biology News(10 mins):East African honeybees are safe from invasive pests… for now 2East African honeybees are safe from invasive pests… for now 3Methane climate change risk suggested by proof of redox cycling of humic substances 2
... material -- in particular, dog fecal material -- may constitute ... wintertime air, says a new University of Colorado Boulder study. ... Midwestern cities in the experiment, two cities had significant quantities ... being the most likely source. "We found unexpectedly ...
... life-saving to have a warning sign before a structural system ... size, having a sign that,s easy to read is a challenge. ... University of Pennsylvania and Duke University bioengineers and chemists, such warning ... The study was conducted by professor Daniel Hammer ...
... Women and men experience pain, particularly chronic pain, ... pain also differs between women and men. While it ... analgesics are more effective in women than men, the ... Narcotic analgesics decrease pain by activating opioid receptors, which ...
Cached Biology News:New CU-Boulder study reveals bacteria from dog feces in outdoor air of urbanized air 2New CU-Boulder study reveals bacteria from dog feces in outdoor air of urbanized air 3Penn molecular scientists develop color-changing stress sensor 2Penn molecular scientists develop color-changing stress sensor 3SUNY Downstate researchers identify possible new targets for treating pain in women 2
(Date:1/15/2014)... (PRWEB) January 15, 2014 The Pittcon Organizing ... of Food Safety Tech , an e-Journal and producer ... an agreement for the second year for the co-location of ... 2014. The partnership provides that the registration fee to attend ...
(Date:1/15/2014)... Cynvenio, a cancer diagnostics company focused ... analysis of tumor cells in the bloodstream, today announced ... decision support application powered by CollabRx, Inc. , ... test, Therapy Finder will provide breast cancer patients and ...
(Date:1/15/2014)... Canada (PRWEB) January 15, 2014 This ... on nonclinical and clinical safety assessment in biosimilars. , ... path for biosimilar drug development, however the complex nature ... to quality, safety and efficacy extremely challenging. Based on ...
(Date:1/15/2014)... Two champions of science, technology, engineering, and ... annual competition for middle and high school students designed ... study. The competition presents students with real-world problems experienced ... Mathematics, and Sciences is a program administered by ...
Breaking Biology Technology:Pittcon Announces Second Year Partnership With Food Safety Tech 2Pittcon Announces Second Year Partnership With Food Safety Tech 3Cynvenio Offers New Breast Cancer Therapy Finder Application for its ClearID Breast Cancer Genomic Test 2Cynvenio Offers New Breast Cancer Therapy Finder Application for its ClearID Breast Cancer Genomic Test 3Xtalks Life Sciences Webinar Examines Safety Assessment of Biosimilars 2Technology Student Association Partners with Leaders in STEM Education Advocacy for Annual Competition 2Technology Student Association Partners with Leaders in STEM Education Advocacy for Annual Competition 3Technology Student Association Partners with Leaders in STEM Education Advocacy for Annual Competition 4Technology Student Association Partners with Leaders in STEM Education Advocacy for Annual Competition 5
... Nov. 10, 2010 Celsion Corporation (Nasdaq: ... that is leveraging its heat sensitive liposomal platform to ... announced that it has changed  the date and time ... Veteran,s Day Holiday on November 11, 2010.  The SEC,s ...
... Biodesix Inc. announced today that the company has ... existing investors. The Series C round, which included 5 ... company,s first product VeriStrat®, a serum proteomic test that ... lung cancer (NSCLC). Existing shareholders of the company provided ...
... StemCellRegenMed, Inc. announces that a new stem cell gene ... month old child with Tay-Sachs disease on November 2, 2010. ... parents of Jewish heritage and in very rare cases families ... U.S.A. The children appear normal at birth but about six ...
Cached Biology Technology:Celsion Announces Date and Time Change for Third Quarter 2010 Financial Results Conference Call to Monday, November 15, 2010 2Biodesix Completes Series C Financing and Receives Grant 2Biodesix Completes Series C Financing and Receives Grant 3Tay-Sachs Disease Stem Cell Gene Enzyme Treatment 2
The VersArray hybridization chamber is used for manual (coverslip) hybridization of microarrays. The chamber accommodates 2 slides and is watertight to allow incubation of slides in a water bath. Dim...
... for determining the absolute count of CD34+ ... peripheral blood samples, and leukapheresis samples. These ... cell count and a total CD45 (leucocyte) ... use in the BD Procount progenitor cell ...
... 2HCl White to off-white ... inhibitor. Inhibits translation by causing premature ... DNA fragmentation in thymocytes and in ... ≥98% by TLC. Soluble in ...
... NOBLE BSA-Free Stabilizer is a bovine ... It is an aqueous solution ... a MOPS buffer (3-(N-Morpholino) propanesulfonic acid), ... a combination of 0.02% methylisothiazolone and ...
Biology Products: