Resistance risk and resistance stability of Frankliniella occidentalis to imidacloprid, emamectin benzoate, and phoxim. Effects of formulations, irrigation volumes and loose degree of soils to the distribution of emamectin benzoate in soils on root-knot nematode Meloidogyn spp. Effect of sublethal dose of emamectin benzoate on growth and development of Helicoverpa armigera (Hübner)