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Crop Science Abstract -

Germination, Growth, and Respieration Rates of Birdsfoot Trefoil at Three Temperatures During the Early Non-Photosynthetic Stage of Development1


This article in CS

  1. Vol. 8 No. 6, p. 758-760
    Received: June 14, 1968

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  1. Mickey Qualls and
  2. Clee S. Cooper2



Seedling gowth of four blrdsfoot trefoil, (Lotus corniculatus L.) varieties, ‘Empire,’ ‘Tana,’ ‘Viking,’ and ‘Leo’ was evaluated during the non-photosynthetlc stage of development for speed of germination and elongation, rate of emergence and rate of respiration. The speed of germination, elongation, and emergence speed of Leo was significantly greater than for other varieties. This was not due to differences in imbibition rate, nor was it related to respiration rate. Varieties ranked in the same order for all measurements but respiration. Rank order was Leo > Tana > Viking > Empire. A similar order of rank in yield was found when these varieties were grow in growth chambers or in the field. Respiration rates were similar for all varieties within each of six age groups and each of three growth temperatures. Respiration rates increased significantly for all varieties with increasing temperature.

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