AbstractAn experiment was conducted in which two nematocides, Nemagon and Fumazone, were applied to sugarcane in irrigation water. The experiment consisted of five treatments: Nemagon 1/2, Nemagon 1, Fumazone 1/2, Fumazone 1 gallon per acre, and control, which consisted of an application of water without nematocide. Two applications were given during the year, the first at planting time, the second 5 months after planting. It was found that the parasitic-nematode population was reduced after the application of the nematocides and, thereafter, the population was gradually increased. Although there was a trend towards higher values for sucrose, cane, and sugar per acre in the plots treated with nematocides, the differences were not significant when compared with the control.
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