February 2023 - 10

GLVPN VEG CONNECTION
canker in a greenhouse or high
tunnel won't spread to additional
plants if there is no overhead
irrigation. However, the disease
may appear to progress because
the disease on individual plants
increases in severity.
If transplants with bacterial
canker are planted in the field, the
disease may increase in severity
in individual plants in addition
to spread with rain or overhead
irrigation in the field. If bacterial
canker spreads to plants after first
fruit, then the disease may not be
severe until late in the season.
Bacterial canker that is introduced
on transplants, in contrast, is likely
to become a very severe disease.
Management of bacterial
diseases
Sanitation: The bacterium which
causes these bacterial diseases
of tomato may survive in seed,
crop debris, volunteer tomatoes
and equipment such as wooden
stakes. All equipment should be
cleaned and sanitized between
generations of transplants. It is
important to clean all surfaces
before sanitation. Surfaces that are
dirty may not be properly sanitized.
Sanitation products include bleach
(sodium hypochlorite), quaternary
ammonium, hydrogen peroxide
products or hydrogen peroxide/
peroxyacetic acid products,
chlorine dioxide, etc. Follow the
directions on the product carefully.
Seed/transplant considerations:
propagation trays with results
The diseases discussed here may be
seedborne. Seed companies spend
a great deal of time trying to make
sure the seeds are healthy, but there
is a small chance that these bacteria
may be found in or on the seed. If the
seed does harbor the bacteria, it is
often only a small percentage of the
seed involved. However, the disease
may spread quickly in a transplant
house where seedlings are close
together and watered overhead. With
transplants from seed or purchased
transplants, one should be aware of
the possibility of foliar diseases.
Seed treatment
It is possible to heat or chlorine
treat seed to reduce contamination,
by using these methods:
* Hot water and chlorine
treatment of vegetable seeds
to eradicate bacterial plant
pathogens. S. A. Miller and
M. L. Ivey, 2005. Ohio State
University Extension Bulletin
HYG-3085-05.
U.osu.edu/vegprolab/graftingpublications/hot-waterand-chlorine-treatment-ofvegetable-seeds-to-eradicatebacterial-plant-pathogens/
Gatch,
E. 2016.
10 | FEBRUARY 2023

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February 2023

Table of Contents for the Digital Edition of February 2023

February 2023 - 1
February 2023 - 2
February 2023 - 3
February 2023 - 4
February 2023 - 5
February 2023 - 6
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February 2023 - 8
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https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/vgn-digital-seed-guide-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyers-guide-2023
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-october-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2022
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https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2022
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https://www.nxtbook.com/greatamericanmediaservices/VGN/seedguide-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2022
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/seedguide-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2021
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2020
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https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2020
https://www.nxtbook.com/greatamericanmediaservices/VGN/december-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/november-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/october-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/september-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/august-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/july-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/june-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/may-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/april-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/march-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/february-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/buyersguide-2019
https://www.nxtbook.com/greatamericanmediaservices/VGN/january-2019
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