Journal of Food, Agriculture and Environment

Horticultural characteristics and chemical composition of advanced raspberry lines from British Columbia

Author(s):

Zhimin Zhang ^{1, 2}, Zhengyang Zhao ^1*, Huining Liu ³, Claudine Dubé ², Marie Thérèse Charles ², Chaim Kempler ⁴, Shahrokh Khanizadeh ^2*

Recieved Date: 2012-06-09, Accepted Date: 2012-09-28

Abstract:

The horticultural characteristics and chemical composition of seven advanced raspberry selections from British Columbia (‘1-36-40’, ‘1-86-21’, ‘1- 50-14’, ‘2-1-74’, ‘90-5-30’, ‘92-6-41’, ‘97-29-35’) were compared to three commercially grown raspberry cultivars (Meeker, Saanich, Malahat). In general, the advanced lines had better horticultural characteristics and fruit quality than commercial raspberry cultivars. ‘1-50-14’ line  stands out due to its high yield, larger fruit size, excellent firmness, glossiness, longer shelf life and significantly higher oxygen radical absorbance capacity (ORAC) value compared to other selections and known cultivars, except ‘Meeker’. Higher yield was observed for ‘1-36-40’, ‘1-86-21’, ‘1-50-14’, ‘2-1-74’, ‘90-5-30’ and ‘97-29-35’ selections, and ‘Meeker’. No significant differences in fruit size were found between the genotypes tested. Significant differences in the total phenol content was observed among the genotypes, the higher amount was determined in genotypes ‘1-36-40’, ‘1-86-21’ and ‘2-1-74’ while the lowest in selection‘97-29-35’. ‘Meeker’ and ‘1-50-14’ had the highest ORAC while ‘Saanich’ had the lowest one. A significant correlation was observed between antioxidant capacity and total phenolic content among tested genotypes (r = 0.53542, P<0.05). 

Keywords:

Oxygen radical absorbance capacity, total phenol content, breeding, selections, raspberry, fruit quality

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 3&4
Category: Agriculture
Pages: 883-887

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