Host Status of Ornamental Shade Trees and Shrubs to Plant Parasitic Nematodes
Oregon leads the United States in nursery production of shade trees and is third in deciduous and broadleaf evergreen shrub production. Plant-parasitic nematodes have been implicated in problems with the growth of plants in nurseries and are also of phytosanitary risk. A greenhouse experiment was co...
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Published in | Journal of nematology Vol. 56; no. 1; pp. 20240024 - 141 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Sciendo
28.06.2024
|
Subjects | |
Online Access | Get full text |
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Summary: | Oregon leads the United States in nursery production of shade trees and is third in deciduous and broadleaf evergreen shrub production. Plant-parasitic nematodes have been implicated in problems with the growth of plants in nurseries and are also of phytosanitary risk. A greenhouse experiment was conducted to evaluate the host status of four trees (
) and two shrubs
,
) to
, and
. Each plant/nematode treatment was replicated five times, and the experiment was conducted twice. Plants were inoculated with 3,000 eggs of
or
and 2,500 individuals of
two weeks after planting. After three months, the plants were harvested, and the total density of nematodes in soil and roots for
and the total density of second-stage juveniles (J2) in soil and eggs on roots for
and
were determined. The final nematode population (Pf) and reproductive factor (RF = Pf/initial population density) were calculated. For
and
, all of the ornamental trees and shrubs would be considered as fair to good hosts with RF values > 1.
had the highest Pf (5,234 total J2 and eggs/pot) and RF value (28.4) on
. For
, all of the ornamental trees and shrubs were fair to good hosts, except for
.
was not a host for
with an RF value of almost 0. This is the first report of
, and
as hosts for
, and
. This is also the first report of
and
as hosts for
and the non-host status of
for |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 This paper was edited by Peter DiGennaro. |
ISSN: | 2640-396X 0022-300X 2640-396X |
DOI: | 10.2478/jofnem-2024-0024 |