Abstract
Seedlings of eight soft red winter wheat (Triticum aestivum) cultivars were grown in an aeroponic mist box to study the effects of barley yellow dwarf virus (BYDV) on root and shoot growth and to look for differences in root and shoot growth among cultivars. The cultivars selected for the study were Caldwell, Cardinal, Clark, Howell, IL 87-2834, Tyler, and Pioneer brands 2548 and 2555. A split-plot treatment design was used, with uninfected and inoculated treatments as whole plots and cultivars as subplots. Differences among cultivars were found for most growth characteristics under both control and BYDV-infected conditions. There was a strong positive correlation between shoot and root dry weights in both the control and BYDV treatments, indicating that cultivars with vigorous shoot growth tended to have more vigorous root growth. BYDV severely reduced root length, distance from seminal root tip to the nearest lateral root, and the root to shoot ratio for all cultivars tested. The number of adventitious roots and shoot percent dry matter were increased by BYDV infection for some cultivars. Chlorosis and stunting were not observed in shoots during the 18 days of the experiment, whereas roots were visibly stunted approximately 4 days after inoculation. Results indicate that, initially, the root system is affected more severely than the shoot in BYDV-infected wheat seedlings.
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Claims 9
Claim · model-written summary
Cultivars differed in most growth traits under both conditions.
- Taxon
- winter wheat
Triticum aestivumt0 - Outcome
- most growth characteristicse0
- Comparator
- control and BYDV-infected conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences among cultivars were found for most growth characteristics under both control and BYDV-infected conditions.”
t0“Winter Wheat”
Claim · model-written summary
Shoot and root dry weights were positively correlated in control and BYDV treatments.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDV treatmentse0
- Outcome
- shoot and root dry weightse0
- Direction
- positivee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strong positive correlation between shoot and root dry weights in both the control and BYDV treatments”
t0“Winter Wheat”
Claim · model-written summary
BYDV reduced root length across cultivars.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDVe0
- Outcome
- root lengthe0
- Direction
- reducede0
- Qualifier
- all cultivars testede0
- Comparator
- uninfectede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BYDV severely reduced root length, distance from seminal root tip to the nearest lateral root, and the root to shoot ratio for all cultivars tested”
t0“Winter Wheat”
e1“uninfected and inoculated treatments”
Claim · model-written summary
BYDV reduced distance from seminal root tip to the nearest lateral root.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDVe0
- Outcome
- distance from seminal root tip to the nearest lateral roote0
- Direction
- reducede0
- Qualifier
- all cultivars testede0
- Comparator
- uninfectede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BYDV severely reduced root length, distance from seminal root tip to the nearest lateral root, and the root to shoot ratio for all cultivars tested”
t0“Winter Wheat”
e1“uninfected and inoculated treatments”
Claim · model-written summary
BYDV reduced root to shoot ratio across cultivars.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDVe0
- Outcome
- root to shoot ratioe0
- Direction
- reducede0
- Qualifier
- all cultivars testede0
- Comparator
- uninfectede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BYDV severely reduced root length, distance from seminal root tip to the nearest lateral root, and the root to shoot ratio for all cultivars tested”
t0“Winter Wheat”
e1“uninfected and inoculated treatments”
Claim · model-written summary
BYDV increased adventitious root number for some cultivars.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDV infectione0
- Outcome
- number of adventitious rootse0
- Direction
- increasede0
- Qualifier
- some cultivarse0
- Comparator
- uninfectede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of adventitious roots and shoot percent dry matter were increased by BYDV infection for some cultivars.”
t0“Winter Wheat”
e1“uninfected and inoculated treatments”
Claim · model-written summary
BYDV increased shoot percent dry matter for some cultivars.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- BYDV infectione0
- Outcome
- shoot percent dry mattere0
- Direction
- increasede0
- Qualifier
- some cultivarse0
- Comparator
- uninfectede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of adventitious roots and shoot percent dry matter were increased by BYDV infection for some cultivars.”
t0“Winter Wheat”
e1“uninfected and inoculated treatments”
Claim · model-written summary
Shoot chlorosis and stunting were not seen during 18 days.
- Taxon
- winter wheatTriticum aestivumt0
- Organ / stage
- shootse0
- Outcome
- Chlorosis and stuntinge0
- Qualifier
- 18 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chlorosis and stunting were not observed in shoots during the 18 days of the experiment”
t0“Winter Wheat”
Claim · model-written summary
Roots were visibly stunted about four days after inoculation.
- Taxon
- winter wheatTriticum aestivumt0
- Organ / stage
- rootse0
- Treatment
- inoculatione0
- Outcome
- roots were visibly stuntede0
- Value
- approximately 4 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“roots were visibly stunted approximately 4 days after inoculation”
t0“Winter Wheat”
The same questions in other papers
Hordeum vulgare · growth · Triticum aestivum (wheat)Positive and negative results
5 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
4 papers more in this group
See all 8 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.