Abstract
Abstract The agronomic impact of white clover mosaic potexvirus (WC1MV) was determined using yield trials and a survey of virus incidence. The virus was shown to occur at high levels in white clover plants in pastures throughcut the North Island. The virus was detected in 69% of white clover plants from 42 mature pastures examined (>4 years old) and in 52% of white clover plants examined on roadsides. The virus was also detected in 15 pastures less than 4 years old, but at a lower level (18% infection). The effect of WC1MV on plant growth was determined using clonal and non‐clonal lines of the modern white clover cv. Grasslands Tahora in a replicated spaced plant field trial. Uninoculated plants were shown to out‐produce inoculated plants at each of three harvest dates over one year. Infected plants produced, in total, 36.5% less dry matter than uninoculated plants. The major effect of WC1MV infection was on stolon elongation, with lesser effects on leaf length and petiole height. These results indicate that substantial gains can be expected from cultivars resistant to this pathogen.
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Claims 6
Claim · model-written summary
WC1MV was detected in 69% of white clover plants from mature pastures.
- Taxon
- white clover
Trifolium repense1 - Interactor
- white clover mosaic potexviruse0pathogen
- Outcome
- detectede1
- Value
- 69%e1
- Qualifier
- 42 mature pastures examined (>4 years old)e1
- Setting
- North Islande4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The agronomic impact of white clover mosaic potexvirus (WC1MV) was determined using yield trials and a survey of virus incidence”
e1“The virus was detected in 69% of white clover plants from 42 mature pastures examined (>4 years old)”
e4“The virus was shown to occur at high levels in white clover plants in pastures throughcut the North Island”
Claim · model-written summary
WC1MV infection was detected at a lower level (18%) in pastures less than 4 years old.
- Taxon
- white cloverTrifolium repense1
- Interactor
- white clover mosaic potexviruse0pathogen
- Outcome
- infectione2
- Direction
- lowere2
- Value
- 18%e2
- Qualifier
- pastures less than 4 years olde2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The agronomic impact of white clover mosaic potexvirus (WC1MV) was determined using yield trials and a survey of virus incidence”
e1“The virus was detected in 69% of white clover plants from 42 mature pastures examined (>4 years old)”
e2“The virus was also detected in 15 pastures less than 4 years old, but at a lower level (18% infection)”
Claim · model-written summary
WC1MV-inoculated white clover produced 36.5% less dry matter than uninoculated plants.
- Taxon
- white cloverTrifolium repense0
- Treatment
- inoculatede1
- Outcome
- dry mattere2
- Direction
- lesse2
- Value
- 36.5%e2
- Comparator
- Uninoculated plantse2
- Setting
- replicated spaced plant field triale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“modern white clover cv. Grasslands Tahora in a replicated spaced plant field trial”
e1“inoculated plants at each of three harvest dates over one year”
e2“Infected plants produced, in total, 36.5% less dry matter than uninoculated plants”
Claim · model-written summary
The major effect of WC1MV infection was a reduction of stolon elongation in white clover.
- Taxon
- white cloverTrifolium repense0
- Treatment
- WC1MV infectione1
- Outcome
- stolon elongatione1
- Qualifier
- major effecte1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“modern white clover cv. Grasslands Tahora in a replicated spaced plant field trial”
e1“The major effect of WC1MV infection was on stolon elongation, with lesser effects on leaf length and petiole height”
Claim · model-written summary
Lesser WC1MV effects on leaf length and petiole height were found in white clover.
- Taxon
- white cloverTrifolium repense0
- Treatment
- WC1MV infectione1
- Outcome
- leaf length and petiole heighte1
- Qualifier
- lesser effectse1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“modern white clover cv. Grasslands Tahora in a replicated spaced plant field trial”
e1“The major effect of WC1MV infection was on stolon elongation, with lesser effects on leaf length and petiole height”
Claim · model-written summary
Substantial gains can be expected from white clover cultivars resistant to this pathogen.
- Taxon
- white cloverTrifolium repense0
- Outcome
- substantial gains can be expected from cultivars resistant to this pathogene1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“modern white clover cv. Grasslands Tahora in a replicated spaced plant field trial”
e1“These results indicate that substantial gains can be expected from cultivars resistant to this pathogen”
The same questions in other papers
inoculation · growth · Trifolium repens (white clover)Results differ
4 papers in the same direction as this paper · 31 in the opposite direction
- positive
- positive
- positive
32 papers more in this group
See all 36 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.