becky hughes new liskeard agricultural research station
TRANSCRIPT
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Becky Hughes
New Liskeard Agricultural Research Station
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Strawberry Plant Types
Junebearing Strawberries
Dayneutral Strawberries
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Strawberry Plant Types
June-bearing Varieties Dayneutral Varieties
Set flower buds in the short days of fall
Set flower buds at any daylength in the growing season as long as the temperatures are not too high
Fruit in June or July for 3 weeks Fruit over the whole season
Produce runners after harvest Produce few runners
Traditionally grown on matted beds Grown on raised beds with plastic
Adapted varieties Californian varieties
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June-bearing Strawberry Production
• Matted row system – 10-15,000 plants/ha
• Year 1 – establishment
• Harvest 2-3 years• 2-4 week harvest
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Recommended June-bearing Cultivars
Pick-your-own and retail
• Annapolis – early
• Jewel – mid-season
PYO
• Cavendish – mid-season
• Honeoye – early mid-season
• Kent – mid-season
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New June-bearing Cultivars
• Wendy – early, large fruit, PYO and local markets
• Summer Dawn (V151) – early, productive, retail markets
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New June-bearing Cultivars
• Valley Sunset – very late, very large, PYO and local markets
• Summer Rose (R14) – very late, very large, low yields
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New June-bearing Cultivars
• Summer Ruby (2V55) – firm, large-fruited, early-mid-season
Information• OMAFRA - website www.omafra.gov.on.ca
• OBGA
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• Raised beds
• Polyethylene mulch
• Drip irrigation and fertigation
• 30,000-50,000 plants/ha
Dayneutral Production Systems
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Dayneutral Production Systems Research
Ontario• Cedar Springs • New Liskeard • Simcoe
Quebec
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Production Systems Research
Growing systems
- high tunnels vs outside
- planting dates, plant types
- plant (crown) size
- planting density
- mulch types
- length of blossom removal
- winter cover systems
Cultivars
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New LiskeardNew LiskeardGrowing season - average 110-120
frost-free daysHardiness zone 2-3bAverage daily
temperatures Jun-Aug – 15-18 °CWinter lows < -35°C
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Dayneutral Production
• Year 1 – plant in spring, pick Aug-Oct, overwinter
• Year 2 – pick spring harvest and in NL through to Oct
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Plant EarlyPlant Early• Plant as early as
possible• Therefore make beds
the year before• Buy a good bed
maker/mulch layer• Larger plants may be
beneficial in cold climates
Rain-Flo Model 2600 bedder/mulch layer
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MulchMulch• Affects soil temperature
(depending on color, soil-mulch contact, bed orientation, time of year, light quality)
• Reduces weeds• Keeps fruit clean
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MulchMulchMulch Trial 2008-091. Standard black embossed plastic
(0.9 mil thickness) 2. Black-on-white (1.0 mil thickness) 3. Brown (0.85 mil thickness)4. Green (1.0 mil thickness)
5. Silver-on-black (1.0 mil thickness)6. White-on-black (1.0 mil thickness)
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MulchMulchConclusions:Use black or black on white
mulches in a cool climate.Do not use white or silver.Put straw between the rows.
In a warmer climate white and silver may be beneficial especially in a high tunnel.
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CultivarsCultivarsAlbion Monterey Portola Seascape
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Dayneutral Cultivars• Seascape – adapted across the province, high
yields• Albion – later, lower yields but larger berries and
great fruit quality
Have tested a number of others – Portola may have potential in the north
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Locations
• SW Ontario harvests more berries the 1st year after planting (they can plant earlier)
• The cool summer weather in New Liskeard results in fruiting over the whole second season
• Higher temperatures in SW Ontario result in earlier spring harvest but no berries mid-summer (too hot)