Influence of salinity levels on Tylenchulus semipenetrans. Activity and growth of sour orange seedlings in sandy soil [Egypt]

bigarade crecimiento croissance egipto egypt growth insecte nuisible naranja de sevilla nematodos de las plantas parasite parasites pest insects plant nematodes saline soils salinidad salinity sandy soils seville oranges soil chemicophysical properties sol sableux sol salin suelo arenoso suelo salino