|Botanical Name:||Rubus idaeus|
A California Corporation
P.O. Box 50045, 345 Westridge Drive
United States of America
Brian K. Hamilton, Richmond, United States of America
Carlos D. Fear, Driscoll's, Inc., Watsonville, United States of America
Richard E. Harrison, Aptos, United States of America
Miguel H. Ahumada, Ojai, United States of America
Matthias Vitten, Watsonville, United States of America
|Agent in Canada:||
Expert Agriculture Team Ltd.
46420 Prairie Central Road
Chilliwack, British Columbia
|Grant of Rights Date:||2016-01-06|
|Grant of Rights Termination Date:||2036-01-06|
Varieties used for comparison: 'Maravilla' and 'Heritage'
Summary: The intensity of anthocyanin colouration on the current season's cane for 'DrisRaspSix' is very weak whereas it is strong for both reference varieties. 'DrisRaspSix' has a short bud length on the current season's cane whereas that of 'Heritage' is of medium length. Previous season's canes of 'DrisRaspSix' are shorter than those of 'Maravilla'. Current season's canes of 'DrisRaspSix' are shorter than those of the reference varieties. On the current season's cane, the spines of 'DrisRaspSix' are of sparse to medium density whereas those of 'Maravilla' are very sparse. In cross-section, the profile of the leaflet is concave for 'DrisRaspSix' whereas it is convex for both reference varieties. The terminal leaflet of 'DrisRaspSix' is shorter than that of 'Heritage'. 'DrisRaspSix' has few spines on the pedicel whereas 'Heritage' has medium to many. The peduncle of 'DrisRaspSix' has a very weak intensity of anthocyanin colouration whereas that of 'Heritage' is strong. The fruit of 'DrisRaspSix' has a medium length/width ratio whereas both reference varieties have a very small length/width ratio. Flowering on the current season's cane begins mid-season for 'DrisRaspSix' and late for 'Maravilla'.
PLANT: upright growth habit, bears fruit on both previous season's cane in summer and on current season's cane in autumn
VERY YOUNG SHOOT DURING RAPID GROWTH: no anthocyanin colouration on middle third, weak intensity of anthocyanin colouration at apex
PREVIOUS SEASON'S CANE: vegetative bud burst occurs mid-season, flowering begins mid-season, fruit ripening begins mid-season, fruiting period lasts a medium to long time
CURRENT SEASON'S CANE: emerges mid-season, many, medium to strong bloom, very weak intensity of anthocyanin colouration, medium to long internode, short vegetative bud, flowering begins mid- season, fruit ripening mid-season
SPINE ON CURRENT'S SEASON CANE: sparse to medium density, very small base, very short, brownish purple
LEAF ON CURRENT'S SEASON CANE: medium green on upper side, predominantly five leaflets
LEAFLET ON CURRENT'S SEASON CANE: concave in cross-section, medium rugosity, lateral leaflets not touching
FLOWER: medium to large
FRUITING LATERAL: semi-erect attitude
PEDUNCLE: very weak intensity of anthocyanin colouration
PEDICEL: few spines
FRUIT: medium to long , medium width, medium length to width ratio, medium conical shape in lateral view, single drupe is medium to large, medium red, medium glossiness, soft to medium firmness, weak adherence to plug
Origin & Breeding History: 'DrisRaspSix' arose from a controlled cross conducted in April 2002 between varieties 'Maravilla' (female parent) and 'Francesca' (male parent). Initial seedling of the new variety was asexually propagated at a nursery in Santa Cruz, California. Selection criteria included bright red fruit and high percent of primocane fruit. 'DrisRaspSix' was subsequently asexually propagated and underwent further testing at a nursery in Ventura, California from 2003 to 2011.
Tests & Trials: The comparative trials for 'DrisRaspSix' were conducted in Chilliwack, British Columbia during the 2014 growing season. The plots were planted in the spring of 2013 in a randomized complete block design (RCBD). Each variety consisted of 3 replicates with 5 plants per replicate for a total of 15 plants of each variety. Plants were spaced approximately 61 centimetres apart within rows and 3 metres between rows.
Comparison tables for 'DrisRaspSix' with reference varieties 'Maravilla' and 'Heritage'
Length of previous season's cane (cm)
Length of current season's cane (cm)
Terminal leaflet length (cm)
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