MLO disease transmitted by

Answer: Option A

MLO disease transmitted by Leafhopper.
Mycoplasma-like organisms (mycoplasmas, spiroplasmas and rickettsias) are generally considered to be somewhere between bacteria and viruses in size, shape and function.
Mycoplasma-like organisms (MLOs) are microorganisms lacking cell Walls that cause phyllody and witches' broom as well as yellows diseases in various crop plants in Asia.
These organisms are the cause of 'yellows' type diseases and are transmitted to plants during leafhopper feeding.