This study determined the efficacy of Beauveria bassiana (Balsamo-Crivelli) Vuillemin (Hypocreales: Cordycipitaceae) alone or combined with diatomaceous earth DEA (a mixture DE + abamectin) against adults and larvae Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). was evaluated at 50 ppm while fungi 1.6 × 105, 106, 107 conidia/kg wheat). Mortalities were assessed after 7 14 days exposu...

Laboratory bioassays were carried out to evaluate the insecticidal efficacy of SilicoSec? against 7 - 14 day old adults, old and young larvae of Tribolium castaneum (Herbst) with the mean ? SE (n = 30) weight of 3.4 ? 0.1 and 0.6 ? 0.1 mg, respectively at 27?C and 55 ? 5% RH. Wheat treated with four dose rates of SilicoSec? and untreated wheat served as a control with three replications. Adult?...

Effects of diatomaceous earth (DE) as a source silicon on incidence Helopeltis antonii Signoret and Aleurodicus dispersus Russell in Guava var. Sardar were investigated. In the month September October maximum infestation (2.79) was observed control plots least (1.93) treatment with RDF + 3kg/plant DE. November, (3.62) found control, while (1.89) noticed 3 kg/plant Again, December (3.60) tea mos...