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Rivedel

Cherry

Denomination: 'Rivedel'
Botanical Name: Prunus avium
Applicant/Holder: Pépinières et Roseraies Georges Delbard SAS
Malicorne
03600
Commentry
France
Breeder: Paul Argot, Rive De Gier, France
Agent in Canada: ROBIC agence PI S.E.C. / ROBIC IP Agency LP
630 Boul. René-Lévesque Ouest
20e etage
Montreal, Quebec
H3B 1S6
Canada
Tel: 514-987-2717
Application Date: 2000-02-22(priority claimed)
Application Number: 00-2128
Protective direction granted: 2000-02-22
Grant of Rights Date: 2008-12-16
Certificate Number: 3427
Date rights revoked: 2013-12-16

Variety Description

Varieties used for comparison: 'Burlat', 'Santina' and 'Sumnue'

Summary: 'Rivedel' is a non-self fertile, sweet cherry variety which has an elliptical leaf blade shape while 'Santina' has an elongated leaf blade and 'Sumnue' has a broad obovate leaf blade. 'Rivedel' has a longer leaf blade than 'Sumnue'. 'Rivedel' has deep, biserrate leaf margins while 'Burlat' has deep serrate margins, 'Santina' has medium depth bicrenate margins and 'Sumnue' has shallow bicrenate margins. 'Rivedel' has a shorter petiole length than 'Burlat' and longer petiole than 'Sumnue'. 'Rivedel' has a longer pedicel length than 'Burlat' and 'Santina'. 'Rivedel' has a larger fruit size than 'Burlat'. 'Rivedel' has kidney shaped fruit while 'Burlat' has flat round fruit and 'Sumnue' has slightly compressed kidney shaped fruit. The profile of the fruit in lateral view is flattened for 'Rivedel', rounded for 'Burlat', and obovate for 'Santina' and 'Sumnue'. 'Rivedel' has wine red coloured fruit skin while the reference varieties have mahogany to black fruit skin. 'Rivedel' has a less prominent suture than 'Burlat' and 'Sumnue'. The fruit juice is red for 'Rivedel' and dark red - purple for the reference varieties. 'Rivedel' has lower fruit acidity and is more susceptible to rain induced cracking of the skin than the reference varieties. 'Rivedel' has a longer fruit stalk than 'Burlat' and 'Santina' and a thinner stalk that the reference varieties.

Description:

TREE: normal type, medium vigour, upright growth habit, medium crown density
ONE-YEAR OLD SHOOT: weak anthocyanin colouration, erect attitude, medium thickness, medium to long internode, absent or very sparse pubescence, medium number of lenticels, very few or no flower buds
VEGETATIVE BUD: medium in size, conical, slightly held out from shoot, medium sized bud support
CURRENT YEAR'S SHOOT: absent or very sparse pubescence, very weak anthocyanin at tip

LEAF: horizontal to oblique downwards attitude, elliptical shape, acute angle at tip, rounded base, acuminate apex, concave in profile, absent or very weak pubescence on lower side
UPPER SIDE OF LEAF BLADE: medium green, weak anthocyanin colouration, weak glossiness, yellow before leaf fall
LEAF BLADE MARGIN: biserrate, deep indentations
PETIOLE: anthocyanin present
NECTARIES: usually two, red, kidney shaped

FLOWER: sparse flowering density, borne in clusters, single type, white bud
PEDICEL: thin, absent or very sparse pubescence
PETAL: absent or very low frequency of flowers with extra petals, small in size, broad elliptic shape, margins not touching, white
ANTHER: yellow before dehiscence, pollen present
PISTIL: normal, no supplementary pistil, no pubescence on ovary

FRUIT: large, kidney shaped, flattened in lateral view, largest diameter towards middle, flat apex, low prominence of suture
FRUIT SKIN: wine red colour, medium number of light coloured medium sized dots, high to very high susceptibility to rain-induced cracking
FRUIT JUICE: red colour
FRUIT FLESH: black red to black in colour, intermediate to firm, low acidity, medium sweetness, medium to strong juiciness
FRUIT STALK: thin

STONE: semi-adherent to flesh, large size, small to medium size relative to fruit, intermediate between spherical and elongate in lateral view, round in front and basal view, symmetrical, medium keel development in lateral view

PERFORMANCE CHARACTERISTICS: low fruiting precocity, leaf bud burst at same time as flowering, moderately early flowering, not self-fertile, very early fruit maturity, low fruit setting

Origin & Breeding History: 'Rivedel' was discovered as a chance seedling by the breeder, Paul Argot, in France in 1981. The applicant obtained this variety from the breeder in 1988 and made observations on it up to 1993 in Malicorne, France. Criteria used to select this variety were flowering date, harvest date, fruit colour, fruit size, fruit firmness and yield.

Tests & Trials: Trials for 'Rivedel' were conducted at the Pacific Agriculture Research Centre, Agriculture and Agri-Food Canada, Summerland, British Columbia, from 2004 to 2006. The candidate variety and three reference varieties were planted in close proximity in test blocks located in fields 4, 10 and 13. The trials consisted of 4 trees per variety, grafted onto 'Mazzard' rootstock. Measured observations were based on a minimum of 10 measurements.


Comparison tables for 'Rivedel' with reference varieties 'Burlat', 'Santina' and 'Sumnue'

Leaf blade length (mm)

  'Rivedel' 'Burlat' 'Santina' 'Sumnue'
mean 184.58 176.71 174.00 148.50
std. deviation 22.10 18.58 10.49 24.21

Petiole length (mm)

  'Rivedel' 'Burlat' 'Santina' 'Sumnue'
mean 37.76 48.02 36.84 24.63
std. deviation 3.90 6.93 4.42 4.56

Pedicel length (mm)

  'Rivedel' 'Burlat' 'Santina' 'Sumnue'
mean 25.17 21.05 26.39 22.01
std. deviation 3.59 3.67 3.96 3.78

Fruit stalk length (mm)

  'Rivedel' 'Burlat' 'Santina' 'Sumnue'
mean 48.00 42.67 44.17 46.56
std. deviation 4.13 4.09 6.77 4.77

Click on image for larger view
Rivedel
Cherry: 'Rivedel' (top left) with reference varieties 'Burlat' (top right), 'Santina' (bottom left) and 'Sumnue' (bottom right)

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