Effect of Aldicarb, Ethoprop, and Carbofuran on Control of Coffee Root-knot Nematode, Meloidogyne exigua
AbstractEgg hatch of Meloidogyne exigua was significantly inhibited in 14 days pretreatment with aldicarb, ethoprop, or carbofnran at concentrations higher than 0.1 [mu]g/ml; these eggs were found to delay hatch in 19 days posttreatment in ethoprop. Aldicarb and carbofuran solutions at concentrations greater than 0.1 [mu]g/ml significantly decreased the motility and the life span of the second-stage juveniles; aldicarb was more toxic than carbofuran to the nematode. In a field test, aldicarb (Temik 10G), ethoprop (Mocap 10G), and carbofuran (Furadan 5G and Furadan Liquid 350F) significantly decreased M. exigua populations. Key words: Coffea arabica, chemical control, hatching, motility, mortality, nematicides.
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