Abstract
Abstract Pineapple growing is very important in the economy of many tropical countries, but nematodes are a very serious problem in this crop. Among the many phytophagous species found in the root zone of pineapples, Meloidogyne spp., Pratylenchus spp. and Rotylenchulus reniformis (Linford and Oliveira) are particularly important. In fact, these species can reduce the yields by more than 40% for the first crop and sometimes they can obviate all possibility of harvesting a second crop without replanting. These pests are very polyphagous and can also survive for many months in the absence of host-plants and thus, non-chemical control measures are of limited interest, though a few interesting local results have been obtained. Some of these methods are, nevertheless, an appreciable addition to the application of nematicides. Fumigant nematicides, such as dichloropropane – dichloropropene mixture, ethylene dibromide and dibromochloropropane are presently used with success in some countries, but their use is fa...
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