Response of Alfalfa Varieties to Daylength1
- B. L. Coffindaffer and
- O. J. Burger2
Growth rate of Vernal alfalfa was reduced most by reducing light period from 16 to 14 hours. Williamsburg contained a higher concentration of calcium and sodium than Vernal or Narragansett. Narragansett was highest in percent nitrogen, which increased in concentration for all varieties with a decrease in light period. Potassium concentration was about the same among the three varieties. Root weights were highest in the plants subjected to the 14-hour photoperiod.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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