Claim · model-written summary
2,4-D limited grapevine root structural development.
VitisNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root structural development was limited by 2,4-D, Dicamba and MCPA”
t0“Grapevine responses to injuries”
Title
Gerhard Rossouw Charles Sturt University Research Output (CRO) 2018
Other claims from this paper (18)
- Observation The four herbicides induced similar visual symptoms, with some distinguishing features.
- Intervention effect Dicamba exposure caused upward leaf rolling with yellow and brown interveinal lesions.
- Intervention effect MCPA damage exhibited leaf margin necrosis whereas 2,4-D damage did not.
- Intervention effect Severely deformed lateral shoot leaves occurred only after 2,4-D exposure.
- Intervention effect Glyphosate injuries emerged later than injuries from the other herbicides.
- Intervention effect Prior 2,4-D exposure impaired photosynthesis in newly emerged mature leaves.
- Intervention effect Prior MCPA exposure impaired photosynthesis in newly emerged mature leaves.
- Intervention effect Prior glyphosate exposure exposure impaired photosynthesis in newly emerged mature leaves.
- Intervention effect 2,4-D significantly reduced fruit yield.
- Mechanism The authors attribute the 2,4-D yield loss mainly to bunch necrosis.
- Intervention effect 2,4-D increased juice titratable acidity.
- Intervention effect Most other basic fruit composition parameters were unaffected by 2,4-D.
- Intervention effect Dicamba limited grapevine root structural development.
- Intervention effect MCPA limited grapevine root structural development.
- Intervention effect None of the four herbicides altered root carbohydrate reserve levels.
- Intervention effect Primary bud necrosis was pronounced after 2,4-D exposure.
- Intervention effect Primary bud necrosis was pronounced after Dicamba exposure.
- Recommendation The authors conclude that 2,4-D threatens yields in both current and following seasons.