crown gall


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  • noun

Words related to crown gall

a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground

References in periodicals archive ?
Stan Howell and others at Michigan State University grew vines grafted onto 3309 rootstock but found such vines "were overly vigorous, with low productivity, excessive winter damage and crown gall," according to NYSAES Bulletin 149.
Grapevine crown gall, as one of the most important diseases of grapevine around the world, (2,3) is caused mainly by Rhizobium vitis (Ti) [= Agrobacterium vitis (Ti), A.
This failure is related to the transfer of resistance of the plasmid pAgK84 encoding the antibiotic bacteriocin K84 to the crown gall pathogens [11, 12].
Crown gall tumor disc bioassay: a possible aid in the detection of compounds with antitumor activity.
Bacteriocin prevents the crown gall tumors from forming.
The technique holds promise for creating genetically engineered trees and vines that can stave off crown gall, a costly disease that affects many perennial fruit and nut crops, including walnuts, apples and grapes.
The production of crown gall tumors in plants caused by Agrobacterium tumefaciens represents a unique disease involving the transfer of DNA from the bacterium to the nucleus of the plant.
Hard and "woody," burls differ from crown galls, destructive growths found at the soil line or root level, which have been described as "punky" or rotting; crown gall bacteria from the soil can enter a plant through wounds caused by such innocuously "suburban" implements as lawn mowers ...
The promoter and hormone-synthesis genes are transferred to target plants using tumor-forming crown gall bacteria.
These include a fungal pathogen to control a rice weed; a soil microorganism to control plant crown gall; insect parasites to control Mexican bean beetle on soybeans, Colorado potato beetles on eggplants, and filth flies around poultry and livestock operations; and viral, bacterial, and fungal pathogens of other insect pests.
While EPA was making its decision, the National Institutes of Health (NIH) announced final approval of a proposal by Agracetus of Middleton, Wis., to field-test tobacco plants genetically engineered to resist tumors caused by crown gall disease.
"Growers didn't realize they had crown gall until those two winters brought it out.
Akira KAWAGUCHI "Development of Biological Control for Grapevine Crown Gall"
He and several collaborators named three new bacterial species that affected plants, and published a paper showing for the first time that crown gall of plants could be cured.
Genetically modified as defined by scientists and agriculturalists means a new gene was introduced outside of breeding--usually by using a bacterium that normally inserts its genes into plants (the causative agents of crown gall disease or hairy root disease).