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Changes in Fumitory Achenes During Low Temperature After-Ripening

Published online by Cambridge University Press:  12 June 2017

Larry S. Jeffery  and
John D. Nalewaja
Larry S. Jeffery
Affiliation:
Dep., North Dakota State Univ., Fargo
John D. Nalewaja
Affiliation:
North Dakota State Univ., Fargo, ND 58102
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Abstract

Fumitory (Fumaria officinalis L.) achenes were after-ripened in moist sand at 4 C for 0, 15, 30, 45, and 60 days. Embryo size in longitudinal section increased 14 times during after-ripening. The percentage of ether soluble lipids and their fatty acids remained constant during the entire after-ripening period. Soluble carbohydrates were the highest at the 45-day period of after-ripening when embryo growth was rapid. The concentration of 70% ethyl alcohol soluble amino acids increased gradually over the first 45 days of after-ripening and decreased over the last 15 days as embryo growth became more rapid.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 4 , July 1973 , pp. 310 - 313
Copyright
Copyright © 1973 Weed Science Society of America 

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