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Scientists in Africa Use Gene Editing to Protect Crops from Local Threats

In a race against a devastating parasite, African researchers are pioneering using CRISPR to improve local crops. Led by scientists like Steven Runo of Kenya, these efforts tackle challenges like witchweed infestations in sorghum and lethal diseases in maize, with promising results.

Sorghum, a staple food and versatile crop, suffers greatly from Striga, a parasitic weed siphoning off nutrients and crippling yields. Runo's team, though not the first to field-test gene-edited crops in Africa, is working on sorghum resistant to this threat. Their CRISPR-edited variety mimics natural mutations in resilient wild strains, offering hope for future field trials.

The innovation doesn't stop there. Kevin Pixley's team works on various fronts, from tackling maize diseases to making pearl millet flour last longer and boosting groundnut resistance to a cancer-causing fungus. Even livestock benefits, with projects like Dan Carlson's heat- and disease-tolerant cattle edits.

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Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Video: Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Can supplemental nitrogen help soybeans reach higher yield potential? Technical Agronomist Tim Sickman walks through an ongoing trial at the Nutrien Innovation Farm in Owensboro, Kentucky, exploring whether a modest amount of nitrogen applied at planting can support higher-yielding soybean environments.

The trial compares 30 pounds of supplemental nitrogen across both 15- and 30-inch rows, along with treatments that include sulfur and micronutrients. Similar trials conducted in 2024 and 2025 delivered a six- to seven-bushel yield response, prompting the team to expand the research this season.

Early observations show that treated soybeans are slightly taller and averaging about two additional nodes on the main stem. These added nodes could create more opportunities for blooms and pods, but the true results will come at harvest when the team evaluates pod development, seed fill and final yield.

In This Video:

Why high-yield soybeans may need supplemental nitrogen

Results from the 2024 and 2025 trials

Nitrogen treatments in 15- and 30-inch rows

Fertilizer placement and application methods

Differences in plant height and node counts

Potential effects on pod development and yield