Root-knot nematode (Meloidogyne incognita) is a significant cotton pest that produces root galls, reduces plant vigor, and lowers yield. This study evaluated the efficacy of nematicides and resistant cotton varieties in managing root-knot nematode infestations. Field trials were carried out in 2025 at Auburn University's Plant Breeding Unit, Tallassee, AL, using four cotton (Gossypium hirsutum) varieties; DP 2038 B3XF, DP 2131 B3TXF, DP 2143NR B3XF, and DP 2436NR B3TXF. Varieties were treated with velum applied in-furrow at 6 fl oz/A, and an untreated control. Results from these field trials suggest that combining resistant varieties with targeted nematicide application can improve cotton performance in M. incognita infested fields.
Bhandari et al. (Thu,) studied this question.
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