Oral: Nematodes
19-O
Effect of Seed Treatments on Root-Knot Management for Soybean and Cotton
W. ALJAAFRI (1), W. Aljaafri (1), G. Lawrence (1), V. Klink (1) (1) Mississippi State University, U.S.A.
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Biological control is being accepted as an alternative to chemicals methods. Experiments were conducted at Mississippi State University to determine the efficacy of potential biological control products for management of the root-knot nematode. Seed applied biological products were received from Albaugh, LLC. Cotton and soybean seeds were treated with nine and seventeen biological compounds, respectively. Seeds were planted in 500 cm3 of a steam sterilized sand: soil mix 10 cm Dia. clay pots and remained for 50 days. Each test included Abamectin and ILeVo as industry standards. Seed applied biological compounds significantly reduced root-knot nematode development on cotton and soybean. Seeds treated with Abamectin, and ALB-EXP5-1+ALB-SAR1 significantly reduced juvenile development and number of eggs produced on cotton. On soybean seeds treated with Abamectin and Bionematicide+thiabendazol+ALB-GG reduced root-knot juvenile development. Abamectin and SAR+Harpin protein+Thiabendazol reduced the number of eggs that developed on soybean roots. Seed applied biological products may have potential in nematode management.