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Vigor Through Crossbreeding

At the left a hybrid tomato which has altogether out-stripped a representative of one of its parental forms, shown at the right. Similar illustrations of the extraordinary vigor that hybrid plants sometimes take on has been shown in earlier volumes. The contrast here, however, is peculiarly striking. Here the giant seedling is probably only mimicking some equally gigantic ancestor, as we should learn could we trace its full pedigree.

Vigor Through Crossbreeding

This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 7 Chapter 4