Abstract Four types of biochars were prepared from rice husk as farm waste, sugarcane bagasse sugar cane juice store residues Leucaena leucocephala tree horticulture waste and chicken manure reduce at 700 ο C, then evaluated a alternative to control Tribolium castaneum , Rhyzopertha dominica Oryzaephlius surinamensis Sitophilus oryzae . The character each type has been defined using Scanning El...

certain compounds of plants such as essential oils, with insecticidal properties have been considered as alternatives to chemical pesticides for pest control. this study reports the fumigant toxicity of citrus reticulata blanco (rutaceae) peel essential oils against stored-product insect pest, red flour beetle, tribolium castaneum herbst (tenebrionidae) adults. experiment was carried out at 27 ...

Peas (Pisum sativum) are toxic to some stored-product insects. The repellent effect of fractions of pea seed to stored-product insects was evaluated in multiple-choice tests in which wheat kernels were dusted with fractions rich in either protein, fibre or starch at 0.001 to 10% (wt:wt). There was a negative correlation between pea protein concentration and the number of adults found in grain f...