Publications

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susceptibility of spodoptera frugiperda (lepidoptera: noctuidae) strains from central colombia to two insecticides, methomyl and lambda-cyhalothrin: a study of the genetic basis of resistance.spodoptera frugiperda (j. e. smith) (lepidoptera: noctuidae) is an important pest of several crops in the western hemisphere. this insect has genetically differentiated into two host-associated populations: the corn (zea mays l.) and the rice (oryza sativa l.) strains. the corn strain also is found in cotton (gossypium hirsutum l.) and sorghum and the rice strain in bermuda grass [cynodon dactylon (l.) pers.] and millet. in the united states and brazil, lines from corn, rice, bermuda grass, and ...201122066201
production cost analysis and use of pesticides in the transgenic and conventional corn crop [zea mays (l.)] in the valley of san juan, tolima.a survey of 10 producers of conventional corn (hybrids pac 105 and maximus) and 10 producers of transgenic corn (pioneer hybrid 30t17) was carried out in the municipality of valle de san juan in the territorial division of tolima (colombia), in order to analyze the differences in production costs and environmental impacts of these two agricultural technologies.  the environmental impacts were determined by calculating the field "environmental index quotient" (eiq). in the production cost analysi ...201222008311
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