Abstract
Summary Striga hermonthica is a major biotic constraint to sorghum production in Nigeria, sometimes causing total yield loss. Recommendations for Striga management often include the use of cultural and agronomic practices, herbicides and host plant resistance when available. The use of biological control has not been commercialized. Fusarium oxysporum (isolate PSM 197)‐based mycoherbicide was used in combination with selected sorghums (the Striga ‐resistant cultivar Samsorg 40, and the Striga tolerant landrace Yar'ruruka) as an Integrated Striga Management strategy (ISM) in on‐farm trials in the Sudano‐Sahelian savanna of Nigeria. Crop stands were significantly ( P = 0.05) higher in ISM compared with non‐ISM plots on which the mycoherbicide was not applied. Similarly, ISM plots had significantly ( P = 0.05) lower Striga counts than non‐ISM plots. Striga emergence was reduced by ISM by around 95%. Sorghum yields were 49.6% higher where integrated management was used. Cost benefit analysis of the ISM package shows that use of the mycoherbicide increased the profitability of sorghum production on Striga ‐infested soils. Farmers’ preferences monitored during and after the trials highlighted the need for careful selection and integration of control components into an ISM package.
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Claims 6
Claim · model-written summary
Integrated management increased sorghum crop stands versus plots without mycoherbicide.
- Treatment
- ISMe0
- Interactor
- Striga hermonthica
Striga hermonthicae0e2parasite - Outcome
- Crop standse0
- Direction
- highere0
- Comparator
- non‐ISM plotse0
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crop stands were significantly ( P = 0.05) higher in ISM compared with non‐ISM plots on which the mycoherbicide was not applied”
e1“sorghum production in Nigeria”
e2“Striga hermonthica is a major biotic constraint”
Claim · model-written summary
Integrated management reduced Striga counts versus non-ISM plots.
StrigaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ISM plots had significantly ( P = 0.05) lower Striga counts than non‐ISM plots”
e1“sorghum production in Nigeria”
Claim · model-written summary
Integrated management reduced Striga emergence by about 95%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Striga emergence was reduced by ISM by around 95%”
e1“sorghum production in Nigeria”
Claim · model-written summary
Integrated management increased sorghum yields by 49.6%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sorghum yields were 49.6% higher where integrated management was used”
Claim · model-written summary
The mycoherbicide increased profitability of sorghum production on Striga-infested soils.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“use of the mycoherbicide increased the profitability of sorghum production on Striga ‐infested soils”
e1“sorghum production in Nigeria”
Claim · model-written summary
Farmer preferences indicated a need for careful selection and integration of control components.
- Outcome
- selection and integration of control componentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Farmers’ preferences monitored during and after the trials highlighted the need for careful selection and integration of control components into an ISM package”
e1“sorghum production in Nigeria”
The same questions in other papers
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See all 7 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.