New Genetic Technology Improves Hybrid Maize Seed Production in Africa
Author Information
Author(s): Sarah Collinson, Jill E. Cairns, Lucia Ndlala, Benjamin Deonovic, Dickson Ligeyo, Marc Albertsen, Walter Chivasa, Kingstone Mashingaidze, Michael S. Olsen, Berhanu T. Ertiro, Boddupalli M. Prasanna
Primary Institution: Corteva Agriscience
Hypothesis
Can the Ms44-SPT technology improve hybrid maize seed production and reduce yield loss due to detasseling?
Conclusion
The Ms44-SPT technology can increase hybrid maize seed production yields by 14% and improve seed purity.
Supporting Evidence
- The Ms44-SPT technology eliminates the need for manual detasseling, which reduces yield loss.
- An average of 2.9 leaves are lost during detasseling, leading to a 14% reduction in seed yield.
- Using Ms44-SPT can help smallholder farmers access improved hybrid maize varieties.
- The study involved 1292 observations across multiple trials.
- Yield reductions were consistent across different entries in the trials.
- Significant yield loss was observed with each leaf removed during detasseling.
Takeaway
This study shows that a new technology can help farmers grow more maize by making it easier to produce hybrid seeds without losing as much yield.
Methodology
The study involved trials measuring the impact of leaf removal during detasseling on maize seed yields across various locations in South Africa and Kenya.
Potential Biases
Potential bias due to the involvement of Corteva Agriscience, which developed the technology.
Limitations
The study may not account for all environmental factors affecting yield in different regions.
Participant Demographics
The study involved commercial seed production fields in South Africa and Kenya.
Statistical Information
P-Value
0.000999
Confidence Interval
(-0.58, -0.28)
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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