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  1. Vol. 7 No. 5, p. 473-474
     
    Received: Feb 27, 1967
    Published: Sept, 1967


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doi:10.2135/cropsci1967.0011183X000700050020x

Jointing and Survival of Rye Plants and Clones Through Successive Seasons1

  1. D. G. Wells,
  2. R. S. Albrechtsen and
  3. Yung-Yen Yeh2

Abstract

Abstract

Clones can be used in rye improvement if portions are preserved vegeatively long enough for evaluation and use in breeding. Plants and clones of ‘Von Lochow’ and ‘Caribou’ rye were observed in the greenhouse under 8-hour, natural, and 24-hour days. Continuous light prevented jointing of both varieties. Natural daylength prevented jointing of Von Lochow. Survival of over-summering clones was best in full shade and natural daylength, poorest in full shade with continuous artificial illumination, and fair in partial shade with natural daylength. Some segments of all clones over-wintered successfully in the field. Jointed tillers winterkilled but had no apparent effect on adjacent vegetative tillers in the same clonal segment.

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