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Stolo

Strawberry

Denomination: 'Stolo'
Botanical Name: Fragaria × ananassa
Applicant/Holder: Agriculture & Agri-Food Canada, Agassiz
6947 #7 Highway
P.O. Box 1000
Agassiz, British Columbia
V0M 1A0
Canada
Breeder: Chaim Kempler, Agriculture & Agri-Food Canada, Agassiz, British Columbia
Agent in Canada: Summerland Varieties Corp. (SVC)
105-13677 Rosedale Avenue
Summerland, British Columbia
V0H 1Z5
Canada
Tel: 778-516-8016
Application Date: 2008-05-16
Application Number: 08-6341
Grant of Rights Date: 2010-05-17
Certificate Number: 3833
Date rights surrendered: 2018-05-17

Variety Description

Varieties used for comparison: 'Totem' and 'Puget Reliance'

Summary: The terminal leaflets of 'Stolo' can display tip burn when grown under vigourous growing conditions whereas the reference varieties do not. 'Stolo' has weak anthocyanin colouration of the stolons whereas it is absent to very weak on both reference varieties. The terminal leaflet of 'Stolo' is moderately longer than it is wide whereas 'Puget Reliance' is much longer than it is wide. The pose of the hairs on the pedicel of 'Stolo' is horizontal whereas it is upwards on 'Totem' and slightly outwards on 'Puget Reliance'. The petals of 'Stolo' are overlapping whereas they are touching in 'Totem'. The fruit of 'Stolo' is medium red whereas it is dark red on 'Totem' and medium to dark red on 'Puget Reliance'. The sepals of 'Stolo' are posed upwards whereas they are posed outwards on 'Totem'. The fruit of 'Stolo' is firm whereas it is soft to medium in firmness in 'Puget Reliance'. 'Stolo' flowers late whereas both reference varieties flower mid-season. 'Stolo' begins ripening late whereas 'Puget Reliance' begins mid-season.

Description:

PLANT: upright growth habit, medium to dense foliage, strong vigour, not remontant

STOLON: medium in number, weak anthocyanin colouration, medium density of pubescence

LEAF: medium size, medium green on upper side, absent or very weak blistering, absent or very weak glossiness, variegation absent
TERMINAL LEAFLET: moderately longer than wide, obtuse base, crenate margin, concave in cross section
PETIOLE: medium to long, hairs horizontal, absent or very weak anthocyanin colouration of stipules

FLOWERING: late
INFLORESCENCE: positioned beneath foliage, medium number of flowers, horizontal hairs on pedicel
FLOWER: calyx diameter same size as the corolla, stamens present
PETALS: overlapping, as long as they are wide, white

FRUIT: moderately longer than they are broad, large, conical, none or very slight difference in shape between terminal and other fruit, medium red, even or very slightly uneven colour, strong glossiness, even or very slightly uneven surface, narrow band without achenes
ACHENES: insertion level with surface of fruit
CALYX: insertion set level with fruit, upwards pose of segments, diameter slightly larger than fruit diameter, weak to medium adherence to fruit
FRUIT FLESH: firm, light red, light red core, medium size cavity
FRUIT HARVEST: late

Origin & Breeding History: 'Stolo' arose as the result of a cross between the varieties, 'Puget Reliance' and 'Whonnock', conducted in 1994 at the Abbotsford substation of Agriculture and Agri-Food Canada, Pacific Agriculture Research Centre, Agassiz, British Columbia. Asexual propagation by runners and planting out in a trial block at the Clearbrook Road, Abbotsford Substation took place in 1997. 'Stolo' first fruited in 1999 at which time selections began. Originally designated BC96-33-4, 'Stolo' was selected for fruit appearance, taste, flesh texture, harvest maturity, plant quality, productivity and precocity.

Tests & Trials: The tests and trials for 'Stolo' were conducted at the Pacific Agri-Food Research Centre, Clearbrook Substation, near Abbotsford, British Columbia during the 2007 and 2008 growing seasons. Four replicates of each variety were planted in randomized complete block design with 0.3 metres between plants, 1.2 metres between the rows in rows measuring 2.4 metres long. Measured characteristics were based 20 measurements.

Click on image for larger view
Stolo
Strawberry: 'Stolo' (left) with reference varieties 'Totem' (centre) and 'Puget Reliance' (right)

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