DrisRaspSeventeen

Raspberry

Variety Description

Varieties used for comparison: 'Maravilla' and 'DrisRaspSeven' (Esperanza)

Summary: The plants of 'DrisRaspSeventeen' have a semi upright growth habit whereas both reference varieties have an upright growth habit. The very young shoot, during rapid growth, of 'DrisRaspSeventeen' has no anthocyanin colouration whereas both reference varieties have anthocyanin colouration. The pedicel of 'DrisRaspSeventeen' has a medium amount of spines whereas 'Maravilla' has absent or very few spines. The time of vegetative bud burst on the previous year's cane is mid to late season for 'DrisRaspSeventeen' whereas it is early for 'Maravilla' and early to mid-season for 'DrisRaspSeven'.

Description:

PLANT: semi upright growth habit, many to very many number of current season's canes, bears fruit on previous season's cane in summer and on current season's cane in autumn, mid to late season vegetative bud burst

VERY YOUNG SHOOT: weak intensity of anthocyanin colouration of apex during rapid growth, mid to late season emergence
CURRENT SEASON`S CANE: absent or very weak to weak bloom, absent or very weak intensity of anthocyanin colouration, medium internode length, medium length vegetative bud, spines present
DORMANT CANE: greyish brown
SPINES ON CURRENT SEASON'S CANE: medium to dense, small base, short to medium length, brownish purple
FRUITING LATERAL ON PREVIOUS SEASON'S CANE: semi erect

PEDICEL: medium number of spines
LEAF: medium to dark green colour on upper side, predominantly five leaflets, medium degree of rugosity, relative position of lateral leaflets is free
LEAFLET: concave in cross-section

FLOWERING: begins late on previous year's cane, begins late to very late on current season's cane
PEDUNCLE: no anthocyanin colouration
FLOWER: medium sized

FRUIT RIPENING: begins very late on previous year's cane, begins mid-season on current season's cane
FRUIT: medium length, narrow to medium width, medium length to width ratio, medium conical shape in lateral view, medium red, weak to medium glossiness, medium to firm, weak adherence to plug
DRUPE: medium sized
FRUITING PERIOD: short to medium long on previous season's cane and medium long on current season's canes

Origin & Breeding History: 'DrisRaspSeventeen' originated from a controlled cross between proprietary parent 'RB626.1' and proprietary parent 'RF399.3' conducted in Santa Cruz, California, USA in April 2010. The new variety 'DrisRaspSeventeen' was selected in May 2013 based on primocane and floricane yield, fruit flavor and sugar content. Asexual reproduction by root cuttings was initiated in Santa Cruz, County, California USA in July 2013.

Tests & Trials: The comparative trial for 'DrisRaspSeventeen' was conducted in Chilliwack, British Columbia during the 2023 growing season. Plants were transplanted in April 2021 into raised beds, covered with plastic mulch and irrigated with drip lines. The plots were arranged in a RCB design with four replicates. Each replicate consisted of 3 plants for a total of 12 plants of each variety. Plants were spaced approximately 90 centimetres apart within rows and 3 metres between rows. A total of 10 measurements were taken from each variety.

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Raspberry: 'DrisRaspSeventeen' (centre) with reference varieties 'Maravilla' (left) and 'DrisRaspSeven' (right)

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Raspberry: 'DrisRaspFifteen' (centre) with reference varieties 'DrisRaspSix' (left) and 'Maravilla' (right)