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Parentage
Malling Opal, trialled as EMR287, was bred at East Malling
Research and first selected in 2001. It has a complex pedigree
including Evita, Selva, Elsanta, Providence and Etna.
Fruit Quality
The fruit has a conical shape and attractive appearance with mid
red colour and slightly raised seeds. The berries have very good
eating quality, being moderately firm with a juicy texture and sweet
flavour. Brix levels have been consistently higher than Everest in
trials at East Malling. Shelf life is good but careful handling is
required to avoid bruising during periods of hot weather.
Yield and Fruit Size
The yield has been higher than Everest in trials at East Malling
and the average fruit size is larger, with a much greater proportion
in the large size category (>35mm). The percentage waste is low.
Season and cropping pattern
If planted in spring, harvesting will begin in July and continue
until October. In trials at East Malling 60% of the production has
been in July/August and 40% in September/October, which is a similar
pattern to Everest. To maximise the yield it is essential to use
protection with polythene tunnels in the later part of the season.
Marketing Suitability
Malling Opal is considered suitable for all types of retail outlet.
Plant Characteristics
Plants have similar vigour to Everest but runner production is
greater and it is important to remove the runners regularly to
maximise yield.
Disease resistance
Malling Opal is moderately resistant to powdery mildew (Sphaerotheca
macularis). Susceptibility to other diseases has not yet been
assessed.
Use of the variety
Malling Opal is a large fruited everbearing variety with good
eating quality that will crop heavily over a long season. It is
expected to have a wide appeal to growers in different sectors.
Accreditations
The breeding of this variety was jointly funded by the
Department for the Environment Food and Rural Affairs (Defra), MEIOSIS
Ltd and the East Malling Trust for Horticultural Research. The
trialling of this variety was funded by MEIOSIS Ltd and the
Horticultural Development Council (HDC).
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