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Southern highbush blueberry clones differ in postharvest fruit quality.

Perkins-Veazie, P.; Clark, J. R.; Collins, J. K.; Magee, J.;

Fruit Varieties Journal Year: 1995 Vol: 49 Issue: 1 Pages: 46-52 Ref: 18 ref.

1995

บทคัดย่อ

Southern highbush blueberry clones differ in postharvest fruit quality.

 

Fruits from genotypes of southern highbush blueberry [Vaccinium corymbosum x V. darrowii x V. ashei] and Sierra (a hybrid cultivar) were compared for postharvest quality following storage at 5 deg C for 21 days followed by 20 deg for 1 day. Commercially important rabbiteye (V. ashei, cv. Climax) and northern highbush (V. corymbosum, cv. Bluecrop) blueberries were included as standards. Fruits of the southern highbush cultivars Gulfcoast, Cooper and Cape Fear retained 10-20% of pedicels after harvest ('stemming') while very few pedicels were retained on other cultivars. Fruits from the southern highbush selection G616 had the greatest weight (2.8 g) and Cooper the least (1.7 g). A109 fruits had the smallest stem scar and MS108 the largest. Sierra and Climax fruits showed the least decay after storage among all clones. G616 fruits were the least firm of all clones after storage. Soluble solid concentration:titratable acidity ratios were between 10 and 19 for all clones. Anthocyanin content was hig

hest in Cape Fear and lowest in MS108. Of the new southern highbush clones, O'Neal, G616 and A109 were equal to or better than Bluecrop or Climax in terms of postharvest quality and shelf life.