Tomato M. javanica T. erecta Intercrop Root galls less on tomato plants grown with T. erecta than tomatoalone. Number and weight of fruit also greater but root weight and shoot length slightly reduced in intercropping. Pakistan Abid and Maqbool (1990) Tomato M. incognita T. erecta American marigold Intercrop No increase in tomato yield or decrease in reproduction ratio of M. incognita but reduced root-galling in autumn season. Turkey Kaskavalci et al. (2009) Tobacco P. penetrans T. patula ‘Creole’ T. erecta ‘CrackerJack’ Rotation Population reduced below economic threshold within 75 days of seeding MG. Tobacco yield was increased by MG rotation crops compared to rye plus chemical fumigation. Canada Reynolds et al. (2000) Tobacco P. penetrans Tylenchorhynchus claytoniT. patula, dwarf double French Rotation Tobacco growth parameters improved and P. penetrans and T. claytoni populations reduced for 3 and 1 year, respectively USA Miller and Ahrens (1969)host plant to feed on) and consequently significantly reduce popu-
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