Abstract
Subterranean clover (Trifolium subterraneurn L. cv. Yarloop) was grown in nutrient solutions which were supplied with 45Ca, 65Zn, or 54Mn either before (series A) or at the same time as (series B) the plants \+ere inoculated with subterranean clover red leaf virus (SCRLV) by means of the aphid vector Acyrthosiphon solani Kltb. SCRLV infection affected the distribution of each isotope, but less in series A than in series B plants. In both series, movement of the isotopes from the petiole (P) into the lamina (L) was retarded. In series B this resulted in a significant decrease in the concentration of 45Ca, 65Zn, or 54Mn in the lamina. The L/P ratios of concentration and the total contents of 65Zn and 54Mn in the leaves of SCRLV-infected plants from both series were also reduced. In addition SCRLV infection reduced the 54Mn concentration in the distal third more than in the remainder of the lamina. SCRLV infection increased the dry weight of the lamina and/or the LIP ratio of dry weight of the younger leaves of the series B plants.
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Claims 6
Claim · model-written summary
Virus infection altered the distribution of each isotope, less in series A than B.
- Taxon
- subterranean clover
Trifolium subterraneumt0 - Treatment
- SCRLV infectione0
- Outcome
- distribution of each isotopee0
- Comparator
- series A than in series B plantse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SCRLV infection affected the distribution of each isotope, but less in series A than in series B plants.”
t0“subterranean clover”
Claim · model-written summary
Virus infection retarded isotope movement from petiole into lamina in both series.
- Taxon
- subterranean cloverTrifolium subterraneumt0
- Treatment
- SCRLV infectione1
- Outcome
- movement of the isotopes from the petiole (P) into the lamina (L)e0
- Direction
- retardede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both series, movement of the isotopes from the petiole (P) into the lamina (L) was retarded.”
t0“subterranean clover”
e1“SCRLV infection affected the distribution of each isotope”
Claim · model-written summary
In series B infected plants, lamina concentrations of 45Ca, 65Zn and 54Mn decreased significantly.
- Taxon
- subterranean cloverTrifolium subterraneumt0
- Treatment
- SCRLV infectione1
- Outcome
- concentration of 45Ca, 65Zn, or 54Mn in the laminae0
- Direction
- decreasee0
- Qualifier
- In series Be0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In series B this resulted in a significant decrease in the concentration of 45Ca, 65Zn, or 54Mn in the lamina.”
t0“subterranean clover”
e1“SCRLV infection affected the distribution of each isotope”
Claim · model-written summary
Infection reduced leaf lamina-to-petiole concentration ratios and total leaf contents of 65Zn and 54Mn in both series.
- Taxon
- subterranean cloverTrifolium subterraneumt0
- Treatment
- SCRLV-infectede0
- Outcome
- L/P ratios of concentration and the total contents of 65Zn and 54Mne0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The L/P ratios of concentration and the total contents of 65Zn and 54Mn in the leaves of SCRLV-infected plants from both series were also reduced.”
t0“subterranean clover”
Claim · model-written summary
Infection reduced 54Mn concentration more in the distal lamina third than the rest.
- Taxon
- subterranean cloverTrifolium subterraneumt0
- Treatment
- SCRLV infectione0
- Outcome
- 54Mn concentration in the distal thirde0
- Direction
- reducede0
- Comparator
- remainder of the laminae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SCRLV infection reduced the 54Mn concentration in the distal third more than in the remainder of the lamina.”
t0“subterranean clover”
Claim · model-written summary
Infection increased lamina dry weight and/or the lamina-to-petiole dry weight ratio of younger series B leaves.
- Taxon
- subterranean cloverTrifolium subterraneumt0
- Treatment
- SCRLV infectione0
- Outcome
- dry weight of the lamina and/or the LIP ratio of dry weighte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SCRLV infection increased the dry weight of the lamina and/or the LIP ratio of dry weight of the younger leaves of the series B plants.”
t0“subterranean clover”
The same questions in other papers
infection · growth · Trifolium subterraneumPositive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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.