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Genetic Secrets of Soybean Defenses Revealed

Jan 24, 2025
By Farms.com

Study Unveils How Soybeans Resist Nematode Pests Naturallye

Soybean cyst nematodes (SCNs) are among the most harmful pests for soybean crops, causing billions of dollars in losses worldwide.

Groundbreaking research from the University of Tennessee, led by Mst Shamira Sultana, has revealed how soybeans use their genetic mechanisms to resist these threats.

The study, published in Molecular Plant-Microbe Interactions, focused on the genetic responses of resistant and susceptible soybean varieties during SCN attacks.

Resistant soybeans activate key defense-related genes, boosting immunity and preventing damage. In contrast, susceptible varieties fail to trigger these critical genetic responses, leaving them exposed to harm.

Importantly, the research highlighted how different soybean varieties respond uniquely to various SCN types. These findings provide a roadmap for identifying and enhancing the genes responsible for resistance.

According to Tarek Hewezi, “This research not only deepens our understanding of plant defenses but also opens doors to breeding stronger crops.”

This breakthrough has significant implications for agriculture. By developing soybean varieties with natural resistance, farmers can reduce reliance on chemical pesticides, supporting sustainable and environmentally friendly farming. This advancement also strengthens efforts toward global food security.

For detailed insights, refer to the study published in Molecular Plant-Microbe Interactions.


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EP 65 Grazing Through Drought

Video: EP 65 Grazing Through Drought

Welcome to the conclusion of the Getting Through Drought series, where we look at the best management practices cow-calf producers in Alberta can use to build up their resiliency against drought.

Our hope is that the series can help with the mental health issues the agriculture sector is grappling with right now. Farming and ranching are stressful businesses, but that’s brought to a whole new level when drought hits. By equipping cow-calf producers with information and words of advice from colleagues and peers in the sector on the best ways to get through a drought, things might not be as stressful in the next drought. Things might not look so bleak either.

In this final episode of the series, we are talking to Ralph Thrall of McIntyre Ranch who shares with us his experience managing grass and cows in a pretty dry part of the province.