Nogall

Agrobacterium radiobacter K84 (also known as Agrobacterium radiobacter Kl026) is a type of bacterium that is commonly used for biological control of crown gall disease in plants, including roses. Crown gall is caused by the bacterium Agrobacterium tumefaciens, which can infect plant tissues and cause the formation of tumor-like growths or galls.

Agrobacterium radiobacter K84 is a natural competitor of A. tumefaciens and can prevent the colonization of plant tissues by the pathogen. The bacterium works by colonizing plant wounds and outcompeting A. tumefaciens for space and nutrients. As a result, the pathogen is unable to infect the plant and cause crown gall disease.

In order to use Agrobacterium radiobacter K84 for control and eradication of growth gall in roses during propagation, the bacterium can be applied as a biocontrol agent to plant wounds or cuttings. This can be done by dipping the cuttings in a solution containing the bacterium before planting or by spraying the plant tissue with the solution. The bacterium can also be applied to the soil to prevent the pathogen from infecting the roots of the plant.

It is important to note that while Agrobacterium radiobacter K84 is generally safe for humans and other organisms, it may have potential negative impacts on non-target organisms and the environment. Therefore, it is important to follow the recommended application rates and guidelines when using this bacterium for biological control.