Research shows absence of larval antibiosis in Brassica napus, suggesting genetic pathways for resistance in related species.
CSFB larval antibiosis appears absent in B. napus, possibly because of bottlenecks experienced during domestication. However, larval antibiosis is present in S. alba, and future work should study the basis of this resistance. Further, CSFB larval screening in Brassicaceae model species presents an opportunity to explore CSFB resistance genetics, informing breeding progress for insect resistance in B. napus.
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Brock et al. (2026) studied this question.
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