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Fruit Varieties and Horticultural Digest
(J Fruit Var & Hort Digest)

American Pomological Society

Volume 2 Number 3 Article 5 Pages: 75-81
Year 1947 Month 9
Title: Why Varieties Have Failed
Author: N.E. Stevens
Citation
Abstract:
Competition between varieties of cultivated plants must be as old as agriculture. The continual selection of varieties tor planting parallels in many respects the much more widely recognized natural selection among wild plants and animals. Even natural selection in the strictest sense plays a basic part among cultivated plants since only those individuals can be reproduced in any given crop season which in the last (or some recent) season were able to produce adequate seeds or other reproductive structures.

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