Journal of Plant Protection Research, ( ISI ), Volume (54), No (3), Year (2014-9) , Pages (267-271)

Title : ( Effects of low ozone concentrations and short exposure )

Authors: ensieh keivanloo , Hussein Sadeghi Namaghi , Mohammad Hossein Haddad khodaparast ,

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Abstract

In Iran, the Indian meal moth, Plodia interpunctella (Hübner), is one of the most important pests of such stored products as date fruits and pistachio nuts. Ozone was applied as a gas at four concentrations (0, 2, 3, and 5 ppm) for four different periods (30, 60, 90, and 120 min) on the immature stages of P. interpunctella. The results indicated that by increasing the concentration and exposure time, the rate of mortality increased for all tested stages. This study showed that 12-day-old larvae were more susceptible than other stages when exposed to 5 ppm ozone for 120 min. The next in order of susceptibility were pupae, then 5-day-old larvae, and 17-dayold larvae had the highest sensitivity to ozonation. At the highest concentration of ozone, for the longest time, the least mortality rate was recorded for one-day-old eggs. According to the results, a reduction in the population density of P. interpunctella in laboratory experiments is promising. However, validation studies will be necessary to fully determine the potential of ozone as a replacement for the current post harvest chemical control of P. interpunctella on either pistachio nuts or date fruits.

Keywords

, ozonation, Plodia interpunctella, post harvest pests
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@article{paperid:1043703,
author = {Keivanloo, Ensieh and Sadeghi Namaghi, Hussein and Haddad Khodaparast, Mohammad Hossein},
title = {Effects of low ozone concentrations and short exposure},
journal = {Journal of Plant Protection Research},
year = {2014},
volume = {54},
number = {3},
month = {September},
issn = {1427-4345},
pages = {267--271},
numpages = {4},
keywords = {ozonation; Plodia interpunctella; post harvest pests},
}

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%0 Journal Article
%T Effects of low ozone concentrations and short exposure
%A Keivanloo, Ensieh
%A Sadeghi Namaghi, Hussein
%A Haddad Khodaparast, Mohammad Hossein
%J Journal of Plant Protection Research
%@ 1427-4345
%D 2014

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