Viral infection is usually absent in

$A:$ Suspension culture grows faster than callus culture.
$R:$ Agitation of the medium in a rotary shaker facilitates mixing of nutrients and aeration.

In which method do cell clusters differentiate to form small,specialized cell groups?

Which component is not required to be added to the nutrient medium for the formation of callus in tissue culture?

Which processes are used to develop new species in a botanical garden?

$A$ 'Pomato' plant,which exhibits characteristics of both tomato and potato,has been created. What type of hybridization is this?