background: the present study was the first attempt for determination and measurement of pesticide residues in tomatoes used in salad production plants in isfahan, central iran. methods: a multiresidue method based on modified quechers (quick, easy, cheap, effective, rugged and safe) sample preparation, followed by gas chromatography mass spectrometry (gc–ms) was developed and validated for the...

Five sample of each vegetable in each location per month was collected from three markets of Jorhat districts for three months. Three markets are Jorhat vegetable market, Lichubari vegetable market and Teok vegetable market of Jorhat district. The vegetable species are Tomato, Cabbage, Cauliflower, Brinjal, French bean, Cow pea and Okra. Individual species of samples were mixed and analyzed in ...

BACKGROUND Asian citrus psyllid (ACP), Diaphorina citri, is a major pest of citrus because it vectors the putative causal agent of huanglongbing disease. Insecticides are currently the basis of psyllid management programs, and the number of annual insecticide applications has increased significantly. In this paper, a series of investigations of insecticide resistance among field populations of ...

Pyrethroid insecticides have been used to control pests in agriculture, forestry, horticulture, public health and for indoor home use for more than 20 years. Because pyrethroids were considered to be a safer alternative to organophosphate pesticides (OPs), their applications significantly increased when the use of OPs was banned or limited. Although, pyrethroids have agricultural benefits, thei...

oligonychus afrasiaticus is a major pest of date palm orchards in iran and middle east countries. effects of amitraz, fenpropathrin, fenpyroximate, fenazaquin, propargite), tetradifon, and hexythiazox were evaluated in southern part of iran. the complete randomized block designed with three replications used on mordarsang, kabkab, barhi, mazafati, and halileh major date varieties cultivated in ...