Abstract
ABSTRACT The soybean cyst nematode, Heterodera glycines, and the fungus that causes sudden death syndrome (SDS) of soybean, Fusarium solani f. sp. glycines, frequently co-infest soybean (Glycine max) fields. The interactions between H. glycines and F. solani f. sp. glycines were investigated in factorial greenhouse experiments with different inoculum levels of both organisms on a soybean cultivar susceptible to both pathogens. Measured responses included root and shoot dry weights, H. glycines reproduction, area under the SDS disease progress curve, and fungal colonization of roots. Both H. glycines and F. solani f. sp. glycines reduced the growth of soybeans. Reproduction of H. glycines was suppressed by high inoculum levels but not by low levels of F. solani f. sp. glycines. The infection of soybean roots by H. glycines did not affect root colonization by the fungus, as determined by real-time polymerase chain reaction. Although both pathogens reduced the growth of soybeans, H. glycines did not increase SDS foliar symptoms, and statistical interactions between the two pathogens were seldom significant.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 7
Claim · model-written summary
The cyst nematode reduced soybean growth.
- Taxon
- soybeans
Glycine maxe0 - Treatment
- H. glycinese0
- Interactor
- H. glycines
Heterodera glycinese0pathogen - Outcome
- growth of soybeanse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both H. glycines and F. solani f. sp. glycines reduced the growth of soybeans.”
Claim · model-written summary
The fungus reduced soybean growth.
- Taxon
- soybeansGlycine maxe0
- Treatment
- F. solani f. sp. glycinese0
- Interactor
- F. solani f. sp. glycinesFusarium phaseolie0pathogen
- Outcome
- growth of soybeanse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both H. glycines and F. solani f. sp. glycines reduced the growth of soybeans.”
Claim · model-written summary
High fungal inoculum suppressed nematode reproduction.
- Treatment
- high inoculum levelse0
- Interactor
- H. glycinesHeterodera glycinese0pathogen
- Second interactor
- F. solani f. sp. glycinesFusarium phaseolie0pathogen
- Outcome
- Reproduction of H. glycinese0
- Direction
- suppressede0
- Comparator
- low levelse0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reproduction of H. glycines was suppressed by high inoculum levels but not by low levels of F. solani f. sp. glycines.”
Claim · model-written summary
Low fungal inoculum did not suppress nematode reproduction.
- Treatment
- low levels of F. solani f. sp. glycinese0
- Interactor
- H. glycinesHeterodera glycinese0pathogen
- Second interactor
- F. solani f. sp. glycinesFusarium phaseolie0pathogen
- Outcome
- Reproduction of H. glycinese0
- Direction
- note0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Reproduction of H. glycines was suppressed by high inoculum levels but not by low levels of F. solani f. sp. glycines.”
Claim · model-written summary
Nematode infection did not affect fungal root colonization.
- Taxon
- soybeanGlycine maxe0
- Treatment
- infection of soybean roots by H. glycinese0
- Interactor
- H. glycinesHeterodera glycinese0pathogen
- Outcome
- root colonization by the funguse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The infection of soybean roots by H. glycines did not affect root colonization by the fungus”
Claim · model-written summary
Nematode infection did not increase SDS foliar symptoms.
- Treatment
- H. glycinese0
- Interactor
- H. glycinesHeterodera glycinese0pathogen
- Outcome
- SDS foliar symptomse0
- Direction
- did not increasee0
Not reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“H. glycines did not increase SDS foliar symptoms”
Claim · model-written summary
Statistical interactions between the pathogens were seldom significant.
Not reportedTaxon
Verbatim
e0“statistical interactions between the two pathogens were seldom significant”
The same questions in other papers
Heterodera glycines · survival · Glycine max (soybean)Results differ
1 paper in the same direction as this paper
- negative
Heterodera glycines · growth · Glycine max (soybean)Results differ
8 papers in the same direction as this paper
- negative
- negative
- negative
5 papers more in this group
See all 9 papers →Heterodera glycines · disease · Glycine max (soybean)Positive and negative results
5 papers in the same direction as this paper · 3 in the opposite direction
- negative
- no effect
- negative
5 papers more in this group
See all 9 papers →inoculation · Heterodera glycines · Glycine max (soybean)Positive and negative results
12 papers in the same direction as this paper · 4 in the opposite direction
- negative
- no effect
- no effect
13 papers more in this group
See all 17 papers →infection · disease · Glycine max (soybean)Positive and negative results
10 papers in the same direction as this paper · 9 in the opposite direction
- positive
- positive
- positive
16 papers more in this group
See all 20 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.