July 2020 - 8

Extremely Eff ective Post
Emergent Herbicide
ACTIVE INGREDIENT - 15.9 % Phenmedipham
PROVIDES Control of Broadleaf Weeds in
Spinach (grown for processing and seeding)
and Red Garden Beets.
NEW FIFRA 2(ee)* Recommendation (CA & AZ)
Apply 1 pint of Spin-Aid 7 - 10 days after
seeding when weeds are at two - leaf stage.
Ohio State University Professor Chieri Kubota introduced greenhouse strawberry production
to the United States about 10 years ago. Students in Kubota's lab have included Tom
McKean, right, now a horticultural research scientist. Photos: Ohio State University
Offers Growers Effective and
Preventative Disease Control
STRONG EFFICACY on Oomycete (Water
Mold) Pathogens
HIGHLY SYSTEMIC - Extensive Mobility
Throughout the Plant
HIGHEST Available Concentration -
Eff ective at Low Rates
2 MODES OF ACTION
* Inhibits mycelial growth preventing
oxidative phosphorylation
* Stimulates the plants natural defense
mechanisms triggering SAR
Inside information
OSU professor shares benefits of
controlled-environment berries
By Gary Pullano
Managing Editor
Substrate-based strawberry
production under controlled
environment (greenhouse, high
tunnels) is a fast-growing sector
in North America. Along with the
increasing interest in local production,
several greenhouse industries as well
as traditional field producers in North
America began to produce strawberries
under controlled environments.
Chieri Kubota, professor in the
Moves Water and Chemicals
Into The Rootzone
PROVIDES Uniform Penetration and
Lateral Movement of Water
ENCOURAGES Improved Rooting and
Nutrient Uptake
ENHANCES Initial Wetting and
Subsequent Rewetting of Soils
IMPROVES Distribution and Eff ectiveness
of Soil Applied Chemicals
SAVES WATER - Reduces Irrigation
Requirements by Up To 25%
department of horticulture and crop
science at Ohio State University (OSU),
shared her insight into controlledenvironment
strawberry production
during a presentation at the 2020
Mid-Atlantic Fruit & Vegetable
Convention in Hershey, Pennsylvania.
Kubota worked as faculty for six
years in Chiba University, 16 years in
the School of Plant Sciences at Arizona
State University and joined the faculty
at OSU in 2017. Her research includes
value-added CEA crop production,
vegetable grafting, hydroponic
strawberry production, as well as LED
lighting applications.
Kubota said berry production under
controlled-environment has taken
hold in California, Michigan, New
York, Ohio and Tennessee, along with
growers in Canada and Mexico.
Ohio's controlled-environment
agriculture area tripled from 2012 to
2017, according to the USDA.
" It's a niche market for urban food
* See complete 2ee Recommendation prior to use.
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Ask your Belchim representative for current registration status.
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8 | VegetableGrowersNews.com
systems, (generating) a higher price
point, " Kubota said. There also has
been a push from grocery stores and
encourages year-round production. "
The practice also holds potential
for possible winter urban ag tourism,
Kubota said.
Production systems range from
Dutch-style Venlo greenhouses (for
year-round production) to single-layer
polyethylene tunnels with " table top "
production systems (for extended
seasonal production) of strawberries in
the United States.
Complete information on the basics
and applications of growing strawberries
under controlled environment can be
found on OSU's indoor-berry website
www.u.osu.edu/indoorberry.
Planting materials, cultivars
Strawberry is vegatatively propagated,
typically with daughter plants developed
in runners (stolons). Cultivars are
classified as June-bearing type (short-day
plant) and ever-bearing type (facultative
long-day plant). Cultivars conventionally
classified as " day-neutral " type also
behave like facultative long-day plants.
There are a number of " seed-propagate "
strawberry cultivars, although their
commercial applications are still limited,
Kubota said.
There are various types of transplants
available for strawberry production. They
are bare-rooted frigo plants, fresh dug
plants, runner tips, rooted runner plugs
and tray plants. However, off-season
producers have relatively limited options
in North America, due to the fact that
availability of specific types of planting
materials are seasonal and optimized for
existing open-field cropping systems.
Also, growers new to strawberry
production must understand that many
cultivars available in North America are
proprietary, which requires an appropriate
license agreement to propagate even for
their own usage. Therefore, growers need
to purchase plants from a nursery that
carries the propagation license of the
selective cultivar.
Production systems
Controlled-environment structures
for strawberries grown commercially use
distinct types of structures, including:
* High tunnels (AKA table-top
systems).
* Greenhouse, unheated.
* Greenhouses, heated.
http://www.u.osu.edu/indoorberry http://www.belchimusa.com http://www.VegetableGrowersNews.com
July 2020

Table of Contents for the Digital Edition of July 2020
