A Bed of Strawberry Hybrids
Among the first things to look for in developing the strawberry are the size and strength of the plant itself, and the number of runners that it throws out. These will afford good indications of the inherent vigor of the plant, and enable the plant developer to prophesy as to its future, without waiting for fruiting time.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 6 Chapter 3