Soybean-Peanut Rotations for the Management of Meloidogyne arenaria
Abstract
Rotating soybean (Glycine max cv. Kirby) with peanut (Arachis hypogaea cv. Florunner) for managing Meloidogyne arenaria race 1 was studied for 3 years (1985-87) in a field near Headland, Alabama. Each year soybean plots had lower soil numbers of M. arenaria second-stage juveniles (J2) at peanut harvest than did plots in peanut monocnlture. Peanut following either 1 or 2 years of soybean resulted in approximately 50% reduction in J2 soil population densities and a 14% (1-year soybean) or 20% (2-year soybean) increase in yields compared with continuous peanut. The soybean-peanut rotation increased peanut yield equal to or higher than the yield obtained with continuous peanut treated with aldicarb at 0.34 g a.i./mL Key words: Arachis hypogaea, cultural practice, Glycine max, integrated pest management, Meloidogyne arenaria, nematode control, peanut, plant breeding, population dynamics, root-knot nematode, soybean.Downloads
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