Spudman January 2023 - 39

documented that altering
crop rotation sequences
to those that include poor
or nonhosts to CRKN can
substantially reduce the
number of tubers damaged
from CRKN.
Central to this effort has
been Ingham's research
on green manure cover
crops. He determined
that CRKN could be
reduced substantially
by growing and
incorporating
sudangrass, rapeseed,
mustard or radish as
a green manure crop
before planting potato.
However, work in the
San Luis Valley of Colorado, and with
Brian Charlton in the Klamath Basin,
determined that sudangrass was an
excellent host for SRN and actually
made CRS worse. However, varieties
of radish were effective at reducing
population densities of SRN and tuber
damage from CRS. Potato growers in
the San Luis Valley, in particular, have
readily adopted the recommendations
of Ingham for using green manure
crops and have nearly eliminated the
need for fumigation for nematode
control as a result.
Ingham's recent research efforts
have been in collaboration with Inga
Zasada, USDA-ARS, on the biology
of a new cyst nematode, Globodera
ellingtonae, that was described in 2012
from Powell Butte, Oregon, and two
grower fields in Idaho.
Other efforts have supported
Vidyasagar Sathuvalli's program at
HAREC on breeding resistance of
potato to CRKN.
Ingham has 50 refereed journal
publications, 10 book chapters, 32
Extension or related publications
and 59 contributions in conference
proceedings. He has been an author
on 83 published abstracts and has
made over 100 research and Extension
presentations to growers. He has been
an active member of the Society of
Nematologists (SON) since 1979, serving
on several committees including chair
of ecology, education and computer
committees and as a member of the
executive board (1997-1999, 2004-2011)
and editorial board (1991-1994). He
served as treasurer from 2004-2007
and vice president, president-elect,
president, and past president from
2007-2011. He was an executive board
member of the N.A. Cobb Nematology
Foundation from 2004-2007 and
2009-2011. He was co-chair of the local
arrangements committee for the 2010
annual PAA meeting and the local
arrangements chair for the Society
of Nematologists' 50th Anniversary
Meeting in 2011.
Ingham also supervises the Oregon
State University Nematode Testing
Service, which processes several
hundred nematode samples for growers
each year.
Daniel Corey Farms
Monticello, ME
Reds * Yellows * Whites
Russets * Chips * Specialty
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AF5280-5
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Honorary Life Member
Gregory Porter
Gregory Porter grew up in the small
town of Washburn in northern Maine.
He worked on his family's potato,
grain and beef cattle farm prior to
attending college. Those early years
working on the family farm alongside
his grandfather, father and brothers
instilled a strong love of potatoes,
agriculture and the outdoors. His
career plan was to attend college and
then return to the family farm, but fate
intervened, and plans were revised.
Porter attended the University of
Maine in Orono and received a B.S.
degree in soil science in 1980. During his
senior year in college, Porter met with
Tissue Culture Facility
Mini-tubers
Early Generation Seed
Office: 207-538-4405
Daniel Corey
207-532-0096
daniel@seedproinc.com
Sara Corey Parker - Sales
207-538-6430
sara@seedproinc.com
seedproinc.com
Spudman.com 39
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Superior
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