Volume 1, Issue 1 (3-2012)                   pps 2012, 1(1): 53-62 | Back to browse issues page

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Mahdian S, Kazemi Y, Amiri B. Methodofdetectionmancozebfungicide residue in cucumber fruit. pps. 2012; 1 (1) :53-62
URL: http://yujs.yu.ac.ir/pps/article-1-33-en.html
, safaralim@gmail.com
Abstract:   (13000 Views)
Vegetables are attacked by different pests and diseases during their growth. Some fruits such as cucumber have sprayed regularly against diseases like Pseudoperonosporacubensisspecially in humid areas, and after a short time the cucumber are picked up and the amount of pesticide residue are measured and comparing with Maximum Residue Level (MRL). In this research the amount of Mancozeb fungicide has quantified in cucumber samples in Sari district. So in this order 26 samples of cucumber are collected and were carried to the laboratory. Samples of fruits are weighted and washed by using of n- hexan in Suksoleh device. After concentrating the obtained solution put in spectrophotometer set for measuring the optical density with 280 nanometer wave lengths and the amount of uv absorbance of samples and standard solutions were checked. The obtained numbers was changed into all right amount of mancozeb by using Excel software and Cx= α. Cs / β. Vx equation. Results showed that the amount of remained mancozeb fungicide was less than maximum residue limit in 77 percent of samples and more than maximum residue limit in 23 percent of samples in these periods. Also it defined among the samples which have had residue higher than standard limit, just 2 samples have been increased more than 1 milligram per kilogram.
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Type of Study: EXTENTIONAL | Subject: Special

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