Intervention effectmodel-written summary

June application of 0.2 kg ha –1 glyphosate reduced sugar yield by 44%.

A claim from Sensitivity of Sugarcane (Saccharumsp.) to Glyphosate · 1991

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

June application of 0.2 kg ha –1 glyphosate reduced sugar yield by 44%.

Taxon
sugarcanee0
Treatment
glyphosatee0
Outcome
Sugar yieldse0
Direction
reducede0
Value
44%e0
Qualifier
0.2 kg ha –1 in Junee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSetting

Verbatim

e0

“Sugar yields (kg ha –1 ) were reduced 44% when glyphosate was applied over the top of sugarcane at 0.2 kg ha –1 in June”

✓ located verbatim in the source · abstract, characters 294–413

Title

Sensitivity of Sugarcane (Saccharumsp.) to Glyphosate

Edward P. Richard Weed Science 1991. doi:10.1017/s0043174500057908

Other claims from this paper (8)

Record rev-0d201fa95a773fb97a4965c993e0f1fa84e51ac0494c10f038011da7339178dc · schema claims-v0.9 · position 1 in the model’s answer

glyphosate · yield · Saccharum officinarum (sugarcane)Results differ

11 papers: 5 positive, 6 negative or no effect

5 papers in the same direction as this claim · 5 in the opposite direction

  1. no effect
    Glyphosate (210 g ae ha-1) did not increase sucrose yield versus non-ripened sugarcane.

    Sugarcane cultivar response to glyphosate and trinexapac-ethyl ripeners in Louisiana · 2019 · compared with non-ripened sugarcane

    Same directionCites this paper

  2. positive
    Glyphosate increased sugarcane yields considerably through its ripening effect.

    Residual effect of glyphosate as a ripener on sugarcane. · 1982

    Opposite direction

  3. positive
    Initial cultivation followed by glyphosate also produced a highest first-ratoon yield of 67.1 tonnes/ha.

    Weed dynamies and control of weeds in relation to management practices under sugarcane (Saccharum species complex hybrid) multi-ratooning system · 2006

    Opposite direction

  4. positive
    Glyphosate plus hoeing gave higher cane yield than three manual hoeings.

    Effect of fertility levels and weed-management practices on yield potential, nutri- ent uptake and economics of spring-planted sugarcane (Saccharum officinarum) · 2001 · compared with 3 manual hoeing at 30, 60 and 90 days after planting

    Opposite direction

  5. positive
    Reduced tillage with glyphosate and mouldboard plough gave the greatest yield.

    Soil tillage methods in unburnt, mechanically harvested systems. · 2007

    Opposite direction

  6. positive
    The integrated treatment increased cane yield by 91% over the farmers method.

    Studies on integration of tillage and herbicides for weed control in sugarcane · 2002 · compared with farmers method of three disc harrowings and hand weeding twice at 30 and 60 DAP

    Opposite direction

  7. negative
    Adding glyphosate increased cost by $43.47/ha.

    Efficacy and Economics of Summer Fallow Conventional and Reduced-Tillage Programs for Sugarcane · 2009

    Same direction

  8. negative
    Residual glyphosate with post-harvest residue left in place reduced sucrose yield by 13% relative to the non-treated control.

    Late-season glyphosate ripener application coupler with post-harvest residue retention impacts subsequent ratoon yields · 2011 · compared with non-treated control

    Same direction

2 papers more in this group

See all 11 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.