Agdia , a provider of plant life pathogen symptomatic product and services , announces the commercialization of a rapid , drug user - friendly mathematical product for the detection of Alfalfa mosaic virus on their ImmunoStrip political platform .
Alfalfa mosaic virus ( AMV ) is the type member and rum mintage within the Alfamovirus genus , which is included in the Bromoviridae kinsperson with Bromovirus , Cucumovirus , Ilarvirus , and Oleavirus genus . Symptomology was first described in 1931 on alfalfa plants ( Medicago sativa ) in California , and AMV is now affirm to infect more than 600 species of flora , causing significant crop loss in many . host include many economically important coinage within Amaranthaceae , Asteraceae , Fabaceae , Lamiaceae , and Solanaceae , in addition to several weedy species rough-cut in region of intensive agriculture and gardening . This virus is now far-flung throughout Africa , Asia , Europe , North America , Oceania , and South America .
Figure 1 . Symptoms of AMV infection on Solanum melongena . figure good manners of Whitney Cranshaw , Colorado State University , Bugwood.org .
Symptoms vary by master of ceremonies , surround , plant age , and strain of AMV . Susceptible varieties of alfalfa , also known as lucerne , can show symptoms of light green or xanthous mottling and mosaic , localized and systemic sphacelus , leafage and petiole straining , and acrobatics . symptom can be more pronounced during Spring and Fall , becoming invisible in the Summer months . Furthermore , AMV infections can soften plants and predispose stands to drought stress and cold terms . Solanaceous plants will typically carry foliar symptoms of lily-livered to white mosaic and deformation . In addition , tomato can develop yield discolouration and necrosis , and lethal vascular sphacelus . Peppers can exhibit scrubby yield , while tater can develop plant aerobatics , tuber deformation , and gangrene when infect , rendering market products unsaleable .
Alfalfa mosaic virus can cause similar foliar and stunting symptom in annual bedding industrial plant , herbaceous perennials , and woody ornamentals , include Dianthus , Hibiscus , Hydrangea , Impatiens , Lavandula , Peonia , Petunia , and Phlox . Furthermore , AMV is eff to taint industrial hemp ( Cannabis sativa ) , cause many in the unspecific cannabis yield markets to screen out mother plant , propagative fabric , and mature flora inventories for this pathogen .
Figure 2 . symptom of AMV infection on pepper . Image courtesy of Whitney Cranshaw , Colorado State University , Bugwood.org .
Several metal money of aphids ( Hemiptera ) are know to transmitter AMV in a nonpersistent , noncirculative way . Virus accomplishment time from infect plants is abbreviated , taking minute to hour . The subsequent relationship between the aphid transmitter and AMV is transient in nature ; transmissible computer virus particle do not enter vector cells , nor do they pass around within the vector . virion are retained at surface sites within the vogue through lineal protein interactions with the computer virus capsid . Thereafter , aphids stay on viruliferous for short periods of sentence , and the vaccination efficaciousness of healthy plants is abruptly - lived . Nevertheless , due to their polyphagous nature , mellow fecundity , wing forms up to of scattering , and extremely efficient feeding apparatuses , aphids are the most important method of local AMV transmission in many crop .
In addition to aphid vectors , AMV can be spread via mechanically skillful transmission , dispersion of infected pollen , and movement of septic germ . Nevertheless , AMV is not seminal fluid - communicate in all hosts , and localized outbreaks are typically the result of a combination of dispersal paradigms . Therefore , these epidemic are difficult to predict , and direction is multi - faceted . Long - space dispersal of AMV occurs via the interstate apparent movement of infected propagative materials . symptomatic screening of all propagative material , admit seeds , cuttings , and tissue culture product , is the most in effect method for limiting the movement of AMV over recollective distance .
Agdia states their unexampled ImmunoStrip Cartesian product for detective work of Alfalfa mosaic virus was screened against a diverse group of isolates in Subgroup I from several geographic emplacement . Furthermore , no cross - reactivity was observed when tested against a extensive specificity panel , include Apple mosaic virus , Arabis mosaic virus , Bean usual mosaic virus , Cucumber mosaic virus , Impatiens necrotic point virus , Soybean mosaic virus , Tobacco mosaic virus , Tomato mosaic virus , Tobacco ringspot virus , Tobacco streak computer virus and Tomato spotted wilting virus . This check was developed to be used with leafage tissue for all host and was validate for use on alfalfa , pepper , soybean , and tomato seeds .
Figure 3 . Image of ImmunoStrip result .
Agdia ’s ImmunoStrip platform offer substance abuser with a powerful symptomatic tool , as it can be used as an in effect pathogen concealment in the field and lab , require no special equipment or diagnostic experience . Results are obtained in 30 minute or less , and interpreting is simple . Results appear as a control and test line , indicating a positive , or a control line only , indicating a negative .
For more information : Agdia52642 County Road 1Elkhart , IN 46514phone 1 - 574 - 264 - 2615fax 1 - 574 - 264 - 2153[email protected]www.agdia.com
