Document Detail


EFFECTS OF TEMPERATURE AND PHOTOPERIOD ON YIELD AND CHEMICAL COMPOSITION OF NORTHERN AND SOUTHERN CLONES OF BILBERRY (Vaccinium myrtillus L.).
MedLine Citation:
PMID:  23033879     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
After pollination outdoors individual bilberry plants from two Northern and two Southern clones were studied for climatic effects on berry yield and quality in a controlled phytotrone experiment at 12 °C and 18 °C. At each temperature the following light treatments were tested; 1) 12 h natural light; 2) 24 h natural light and 3) 24 h natural light plus red light. The first experimental year there was no difference in yield between temperatures, however, the second experimental year the berry yields was significantly higher at 18 °C. Berry ripening was faster in the Northern than in the Southern clones at 12 °C. Northern clones also showed significantly higher contents of total anthocyanins, all measured anthocyanin derivatives, total phenolics, malic acid and sucrose. Metabolic profiling revealed higher levels of flavanols, hydroxycinnamic acids, quinic acid and carbohydrates at 12 °C.
Authors:
Eivind Uleberg; Jens Rohloff; Laura Jaakola; Kajetan Trôst; Olavi Junttila; Hely Häggman; I Martinussen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-4
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  -     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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