DrisStrawSeventyEight

Strawberry

Note: The applicant has requested an exemption from compulsory licensing to allow time to multiply and distribute propagating material of the variety. If the exemption is granted, it may be allowed for two years from the date rights are granted for the variety.

Variety Description

Varieties used for comparison: 'Osceola' and 'DrisStrawThirtySeven' (Celine)

Summary: The plants of 'DrisStrawSeventyEight' have medium to many stolons whereas those of the reference varieties have a medium number of stolons. The flower of 'DrisStrawSeventyEight' is smaller in diameter than those of the reference varieties. The calyx of 'DrisStrawSeventyEight' has a medium strength of adherence to the fruit whereas the calyx of 'Osceola' has a very weak to weak adherence to the fruit and that of 'DrisStrawThirtySeven' has very weak adherence to the fruit. The fruit of 'DrisStrawSeventyEight' has a narrow to medium width band without achenes whereas the fruit of both reference varieties has an absent or very narrow band without achenes.

Description:

PLANT: day neutral bearing type, semi-upright growth habit, dense foliage, medium to strong vigour
STOLON: medium to many, medium to strong intensity of anthocyanin colouration, dense pubescence

PETIOLE: medium length, horizontal attitude of hairs
STIPULE: weak intensity of anthocyanin colouration
LEAF: large, dark green on upper side, absent or weak blistering, absent or weak glossiness on upper side, no variegation
TERMINAL LEAFLET: moderately longer than wide, acute base, serrate and crenate margin, concave in cross-section

FLOWERING: begins mid-season
INFLORESCENCE: positioned at same level as foliage, many flowers
PEDICEL: upwards attitude of hairs
FLOWER: calyx smaller than corolla, overlapping petal arrangement, stamen present
PETAL: much shorter than wide, white inner side

CALYX: raised attachment, diameter much larger than fruit, upwards attitude of sepals, medium adherence to fruit
FRUIT: begins ripening midseason, length equal to width, medium to large, cordate and rhomboid shaped, none or very slight difference in shape between terminal fruit and other fruit, very firm, medium sized cavity
FRUIT SURFACE: orange red, even or slightly uneven colour distribution, strong glossiness, slightly uneven, narrow to medium width of band without achenes, achenes positioned below surface
FRUIT FLESH: orange red, light red core

Origin & Breeding History: 'DrisStrawSeventyEight' originated from a cross conducted in 2011 in Tangancicuaro, Michoacan, Mexico. The cross was made between the female parent 'DrisStrawForty' and the male parent 'Pelican'. A single plant was selected for asexual propagation by vegetative cuttings in September 2012 in Ciudad Guzman, Jalisco, Mexico. Selection criteria was for fruit size, yield, fruit eating quality, and plant architecture. Further propagation and testing was conducted from 2012 to 2018.

Tests & Trials: Trials for 'DrisStrawSeventyEight' were conducted in Chilliwack, British Columbia during the 2021 growing season. The plots were transplanted in April 2020 into plastic mulch with drip irrigation. The plots were arranged in a RCB design. Each variety consisted of 3 replicates per variety with 10 plants per replicate for a total of 30 plants of each variety. Plants were spaced approximately 20 centimetres apart within the row and spaced approximately 3 metres apart between rows. Measured characteristics were based on 10 measurements. Mean differences were significant at the 5% confidence probability level based on a paired Student's t-test.

Comparison table for 'DrisStrawSeventyEight' with reference varieties 'Osceola' and 'DrisStrawThirtySeven'

Flower diameter (cm)

Click on image for larger view

Strawberry: 'DrisStrawSeventyEight' (centre) with reference varieties 'Osceola' (left) and 'DrisStrawThirtySeven' (right)