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Accepted for publication in Damascus University Journal of agriculture sciences, 2023
.L siro AcarusAcari: Astigmata
.Mill Lavandula angustifolia .Boiss syriacus hymusT Tagetes L. patula .Mill Pinus halpensis .L siro Acarus
Acari: Acaridae: Astigmata
50
LC
50
LC
siro AcarusAcaridae
Accepted for publication in Damascus University Journal of agriculture sciences, 2023
on mobile stages of flour mite ethanol plant extractsfumigation some of Efficacy laboratory in (Acari: Astigmata) .L siro Acarus
Zakaria Al –Naser(1) Mohamad Kanouh (2)
Abstract
The study was carried out at the laboratories of Plant Production Dept. Faculty of agriculture/
Damascus Univ. during 2022. Efficacy of Fumigation ethanol extracts of lavender Lavandula
angustifolia Mill., thymus Thymus syriacus Boiss., tagetes Tagetes patula L. and Pine Pinus
halpensis Mill. against all mobile stages of the stored flour mite Acarus siro (Acari: Acaridae:
Astigmata) was investigated. The fumigation bioassay was performed with concentrations, from 25
to 300 μl/L air ethanol extracts in 1 L fumigation container. The mortality of mites were calculated
at 24, 48 and 72h after the treatments. The results of fumigation bioassay showed that lavender,
thymus and pine ethanol extracts at 300 μl/L air showed 100 % mortality, with LC50 of 50.42, 55.23
and 64.84 μl/L air after 72h of treatment, respectively. Followed by tagetes ethanol extract with
LC50 values of 137.44 μl/L air. Efficacy of the tested ethanol plant extracts increased by increase
the concentrations and exposure time.
Keywords: Stored flour mite, Acarus siro, Acaridae, fumigation bioassay, ethanol plant extract.
(1) Prof: Dep. of plant protection, Faculty of Agriculture, Damascus Univ. Syria
(2) Doctor: Dep. of plant protection, Faculty of Agriculture, Damascus Univ. Syria
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Accepted for publication in Damascus University Journal of agriculture sciences, 2023
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Lavandula angustifoliaLamiaceaeTagetes patulaAsteraceaeThymus ssyriacuLamiaceae halepensis Pinus
Pinaceae
Soxhlet extractor
Accepted for publication in Damascus University Journal of agriculture sciences, 2023
., 2010et al Dagostin
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Accepted for publication in Damascus University Journal of agriculture sciences, 2023
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Accepted for publication in Damascus University Journal of agriculture sciences, 2023
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Accepted for publication in Damascus University Journal of agriculture sciences, 2023
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Camphor
)Schrank( putrescentiae Tyrophagus
3
= 2.25 µg/cm
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Psoroptes cuniculiPerrucci, 1995 Ottoboni
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=
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Pinus halepensis Brachychiton populneum
Tetranychus cinnabarinus Neoseiulus californicus
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