Navigation Links
Laurel wilt of redbay and sassafras: Will avocados be next?
Date:4/2/2008

Scientists with the USDA Forest Service Southern Research Station (SRS), Iowa State University, and the Florida Division of Forestry have provided the first description of a fungus responsible for the wilt of redbay trees along the coasts of South Carolina, Georgia, and Florida.

In the February issue of Plant Disease, SRS plant pathologist Stephen Fraedrich and fellow researchers provide results from their assessment of the fungus, the beetle that carries it, and their combined effect on redbay and other members of the laurel family, including sassafras, spicebush, and avocado.

Extensive mortality of redbay, an attractive evergreen tree common along the coasts of the southeastern United States, has been observed in South Carolina and Georgia since 2003. Though the wilt was at first attributed to drought, the cause was soon found to be a fungal pathogen and the exotic redbay ambrosia beetle, Xyleborus glabratus, a native to Southeast Asia that was first found in the area in 2002. Many ambrosia beetles carry species of fungi as food for their larvae; a previously undescribed fungus in the genus Raffaelea is a fungal symbiont of this ambrosia beetle.

To determine if the fungus was the cause of the wilt, Fraedrich and his colleagues inoculated redbay trees and containerized seedlings with the Raffaelea fungus; the plants died within 5 to 12 weeks. To connect fungus and beetle, they also exposed redbay seedlings to X. glabratus beetles; the ambrosia beetles tunneled into almost all of the plants, causing 70 percent of them to die. The researchers found the fungus in 91 percent of the beetle-attacked plants.

These experiments showed that the Raffaelea species we isolated from wilted trees and from the redbay ambrosia beetle is the cause of redbay wilt, says Fraedrich. The fungus, which is routinely isolated from the heads of X. glabratus ambrosia beetles, is apparently introduced into healthy redbay during beetle attacks on stems
'/>"/>

Contact: Stephen Fraedrich
sfraedrich@fs.fed.us
706-559-4273
Southern Research Station - USDA Forest Service
Source:Eurekalert

Page: 1 2

Related biology news :

1. Avocados may help prevent oral cancer, OSU study shows
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:2/5/2015)... , Feb. 3, 2015 Despite a ... from industries such as consumer electronics, automotive, storage ... surface mount technology (SMT) screen printers. Innovations in ... control will push the adoption curve up. Meanwhile, ... steady as glue dispensers are indispensable in the ...
(Date:1/22/2015)... /PRNewswire/ - Today, FindBiometrics, the leading source of biometrics industry news, ... website design. "When we launched FindBiometrics 12 years ... O,Neill , founder and CEO of FindBiometrics. "Now it,s maturing ... the key players on a very broad scale.  We are ...
(Date:1/22/2015)... Wis. , Jan. 15, 2015  BellBrook Labs, ... drug discovery, announced the launch of a TR-FRET ... the company,s Transcreener UDP Assay, a high throughput ... The new assay will allow for sensitive detection ...
Breaking Biology News(10 mins):End-user Demand Spurs Global SMT Screen Printers and Glue Dispensers Market 2End-user Demand Spurs Global SMT Screen Printers and Glue Dispensers Market 3Identity Industry Leading Publication Debuts New Look As Biometrics Hit Mainstream 2BellBrook Labs Launches a High Throughput Screening Assay for Glycosyltransferases with TR-FRET Readout 2
... trees, which are a main resource for desert people ... hyper-arid Eastern Desert of Egypt. , In places more ... 1965 and 2003, while almost no new trees have ... tree mortality seems not to be climate, but commercial ...
... nocturnally migrating songbirds, while venturing into the unfamiliar night ... at least release anti-predator vigilance thanks to the concealment ... scientists ?published this week in PLoS ONE ?shows that ... passerines. , A unique creature is indeed capable ...
... found on the islands of Borneo and Sumatra is an ... originally thought to be the same species as the one ... conducted at the U.S. National Cancer Institute shows that the ... the differences between other large cat species like lions, tigers, ...
Cached Biology News:Bats prey on nocturnally migrating songbirds 2Bats prey on nocturnally migrating songbirds 3Bats prey on nocturnally migrating songbirds 4New species declared: Clouded leopard on Borneo and Sumatra 2
(Date:3/4/2015)... Irvine, CA (PRWEB) March 04, 2015 ... research leader in Personalized Medicine, is excited to ... “Incorporating Genetic Testing to Optimize the Management of ... be available at Medscape.com for the next year. ... medical professionals how to recognize inadequate pain treatments, ...
(Date:3/4/2015)... Jose, California (PRWEB) March 04, 2015 ... Reaction (PCR) represents one of the fastest growing technologies ... cell biologists in subcellular visualization is driving growth in ... need for deeper understanding of gene expressions will continue ... market. Expanding applications in fields ranging from pharma, biotech, ...
(Date:3/3/2015)... DIEGO and TORONTO, March 3, 2015 /PRNewswire/ - Aptose ... developing new therapeutics and molecular diagnostics that target the ... the quarter and seventh-month period ended December 31, 2014. ... its fiscal year end from May 31 to December ... we are reporting today are for the quarter and ...
(Date:3/3/2015)... 3, 2015 /PRNewswire/ - BIOREM Inc. (TSXV: BRM) ("Biorem" or "the ... are for odour control projects in North America ... Asia . "Bidding activity in 2015 continues to ... "After a high volume year for bidding in 2014, we are ... The recent orders reflect the organization,s renewed focus on select market ...
Breaking Biology Technology:Proove Biosciences Launches CME Accredited Program with Medscape 2Proove Biosciences Launches CME Accredited Program with Medscape 3Focus on Quantifying Nucleic Acid Molecules Spurs Growth in the qPCR & dPCR Instrumentation Market, According to a New Report by Global Industry Analysts, Inc. 2Focus on Quantifying Nucleic Acid Molecules Spurs Growth in the qPCR & dPCR Instrumentation Market, According to a New Report by Global Industry Analysts, Inc. 3Focus on Quantifying Nucleic Acid Molecules Spurs Growth in the qPCR & dPCR Instrumentation Market, According to a New Report by Global Industry Analysts, Inc. 4Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 2Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 3Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 4Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 5Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 6Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 7Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 8Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 9Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 10Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 11Aptose Biosciences reports results for the quarter and seven months ended December 31, 2014 12
... Fair Political,Practices Commission, SANTA MONICA, Calif., Nov. 21 ... resign from the board for,violating conflict of interest rules, ... Reed intervened and attempted to influence the awarding ... Burnham Institute, where Reed is,president and chief executive., ...
... Alexza,Pharmaceuticals, Inc. (Nasdaq: ALXA ) announced ... during the 19th Annual Piper Jaffray,Health Care Conference ... Eastern,Time. The presentation will be webcast from The ... the Investor Relations tab at http://www.alexza.com ,or ...
... Incorporated,(Nasdaq: VPHM ) today announced that Vincent ... of ViroPharma, will present,at the Lazard Capital Markets ... Tuesday, November 27, 2007. The conference is being ... also announced that Michel de Rosen, president and ...
Cached Biology Technology:California Stem Cell Board Member Violates Conflict Rules; Should Resign From Committee, Consumer Group Says 2California Stem Cell Board Member Violates Conflict Rules; Should Resign From Committee, Consumer Group Says 319th Annual Piper Jaffray Health Care Conference to Webcast Alexza's Corporate Presentation 2ViroPharma to Present at Two Upcoming Healthcare Conferences 2
Mouse anti-hepatitis delta virus Class: Antibody Product Group: Bacterial and Viral Antigen...
TTC4 Antibody...
Mouse monoclonal [LH8] to Cytokeratin 5 + 14 ( Abpromise for all tested applications). entrezGeneID: 3852 SwissProtID: P02533...
...
Biology Products: