Evaluation of Two Soybean Cultivars and Aldicarb Treatment in Soil Infested with Plant-parasitic Nematodes
Abstract
The soybean cultivars Davis and Leflore were grown in a northern Florida experimental site infested with eight species of plant-parasitic nematodes. Meloidogyne incognita appeared to become the predominant pathogen, suppressing Davis soybean yield regardless of aldicarb treatment. Soybean yields of Leflore were 1.4-fold to 3.5-fold greater than yields of Davis, but aldicarb did not affect yields of either cultivar. Davis soybean yield was negatively correlated with the at-plant density of M. incognita, whereas Leflore seed yield was not negatively correlated with any nematode. Key words: aldicarb, control, Glycine max, Heterodera glycines, Meloidogyne incognita, nematicide, nematode, root-knot nematode, soybean, soybean cyst nematode.Downloads
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