Abstract
The Fusarium graminearum species complex ( FGSC ) is an important group of pathogens distributed in maize‐producing areas worldwide. This study investigated the genetic diversity and pathogenicity of 40 FGSC isolates obtained from stalk rot and ear rot samples collected from 42 locations in northeastern China during 2013 and 2014. A phylogenetic tree of translation elongation factor ( EF ‐la ) sequences designated the 40 isolates as F. graminearum sensu stricto (67.5%) and F. boothii (32.5%). By using inter‐simple sequence repeat analysis ( ISSR ), it was shown that the isolates were divided into two clades, which corresponded to the species identity of the isolates. However, the isolates from the two different diseases could not be distinguished in pathogenicity. The disease severity index of seedlings inoculated with stalk isolates was slightly higher than that of seedlings inoculated with isolates from infected ears, whereas the pathogenicity of the stalk and ear isolates were identical.
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Claims 5
Claim · model-written summary
The 40 isolates were assigned to F. graminearum sensu stricto at 67.5%.
- Interactor
- F. graminearum sensu stricto
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=60)
Fusarium graminearume0pathogen - Outcome
- F. graminearum sensu strictoe0
- Value
- 67.5%e0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
_on_Corn_(Zea_mays)_at_Waimea%2C_Hawaii.jpg?width=500)
Verbatim
e0“the 40 isolates as F. graminearum sensu stricto (67.5%) and F. boothii (32.5%)”
t0“maize”
Claim · model-written summary
The 40 isolates were assigned to F. boothii at 32.5%.
- Interactor
- F. boothiiFusarium boothiie0pathogen
- Outcome
- F. boothiie0
- Value
- 32.5%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the 40 isolates as F. graminearum sensu stricto (67.5%) and F. boothii (32.5%)”
t0“maize”
Claim · model-written summary
ISSR divided the isolates into two clades matching species identity.
- Interactor
- Fusarium graminearumFusarium graminearumt1pathogen
- Outcome
- two clades, which corresponded to the species identitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the isolates were divided into two clades, which corresponded to the species identity of the isolates”
t0“maize”
t1“Fusarium graminearum”
Claim · model-written summary
Stalk and ear rot isolates could not be distinguished by pathogenicity.
- Interactor
- Fusarium graminearumFusarium graminearumt1pathogen
- Outcome
- pathogenicitye0
- Direction
- could not be distinguishede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the isolates from the two different diseases could not be distinguished in pathogenicity”
t0“maize”
t1“Fusarium graminearum”
Claim · model-written summary
Seedlings inoculated with stalk isolates had a slightly higher disease severity index than those inoculated with ear isolates.
- Treatment
- inoculated with stalk isolatese0
- Interactor
- Fusarium graminearumFusarium graminearumt1pathogen
- Outcome
- disease severity indexe0
- Direction
- slightly highere0
- Comparator
- inoculated with isolates from infected earse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The disease severity index of seedlings inoculated with stalk isolates was slightly higher than that of seedlings inoculated with isolates from infected ears”
t0“maize”
t1“Fusarium graminearum”
The same questions in other papers
inoculation · Fusarium graminearum · Zea mays (maize)Positive and negative results
4 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
9 papers more in this group
See all 13 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.