Claim · model-written summary
Herbicide effectiveness depended on the proportion of tillers with visible seedheads (peeping), and varied with herbicide type.
- Taxon
- annual pasturee1
- Treatment
- proportion of tillers where the seedheads were visible (peeping)e2
- Outcome
- Herbicide effectivenesse2
- Setting
- near Bathurst, NSWe1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorDirectionValueQualifier
Verbatim
e2“Herbicide effectiveness was dependent on the proportion of tillers where the seedheads were visible (peeping), but varied with herbicide type”
e1“This was examined in replicated field experiments on an annual pasture near Bathurst, NSW over three years”
Title
P. M. Dowling; GD Millar; B. R. Milne; et al. Plant protection quarterly 2009
Other claims from this paper (10)
- Intervention effect Glyphosate control of vulpia was optimum at 70-80% peeping.
- Intervention effect Paraquat control was optimum at 80-90% peeping.
- Intervention effect Glyphosate was more effective than paraquat in controlling vulpia at their respective optimum application times.
- Intervention effect Regeneration of subterranean clover was lower after glyphosate than after paraquat.
- Intervention effect Doubling recommended herbicide application rates gave marginally greater control of vulpia.
- Intervention effect Repeating applications in successive years gave marginally greater control of vulpia.
- Intervention effect Applying grazing pressure after herbicide application gave marginally greater control of vulpia.
- Association Plant development was related to cumulative mean temperatures (R2 = 0.83) in vulpia.
- Intervention effect Vulpia populations significantly increased 18 months after spraytopping when there were no other restrictions to natural seeding.
- Recommendation Spraytopping needs to be complemented by other management inputs for long-term control of vulpia.