[The effectiveness of selection of alfalfa from a drilled stock and in early stage].
Positive selection of alfalfa shoots from a drilled stock showed a negative effect in the progeny tested under drilling conditions. The selection of largest plants in an early stage showed the same result. It could be proven in both cases that material from self-fertilization was preferred. This results in inbreeding depression. Self-fertilization caused a decrease in the number of seeds per pod. This, in turn, allowed some seeds to become larger and young plants more robust than with natural cross-pollination.
Institut für Pflanzenzüchtung der Karl-Marx-Universität Leipzig, Leipzig, Deutschland.
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Tellhelm