نتایج جستجو برای: lc90

تعداد نتایج: 276  

Journal: :Open access journal of science 2022

Essential oil was extracted from the leaves of Hyptis suaveolens by hydro-distillation placing 1kg washed fresh in round bottom flasks set up with 1liter distilled water. The Mosquitocidal activity, mosquito larvae (larvicidal) and repellency effect were carried-out using standard modified methods. Percentage yield essential oils gotten as 0.05%. showed very strong larvicidal properties against...

Journal: :African Journal of Health Safety and Environment 2022

The Aedes mosquitoes are important vectors of Zika, chikungunya, yellow fever, and Ross River arboviral diseases. challenges caused by the over-reliance on chemical insecticides in managing as well diseases they transmit have led to increased emphasis developing more effective environmentally friendly alternatives. This study investigated phytochemicals present Allium sativum Cymbopogon citratu...

Journal: :Egyptian Academic Journal of Biological Sciences. D, Histology and Histochemistry 2022

, is one of the considerable vector-borne diseases widely distributed all over world. The extensive use synthetic insecticides caused various human health hazardous, insect resistance and environmental pollution. As an alternative control strategy, nanoparticle applications in management are mandatory. Mainly, aim this current study to elucidate toxic effect copper oxide nanoparticles (CuONPs) ...

Journal: :Journal of Pure and Applied Microbiology 2023

The main dengue and Zika vector, Aedes aegypti, is a cosmotropic species. Since fever cases have significantly increased in recent years, these organisms seem to be extremely detrimental. Synthetic pesticides are not biodegradable, non-selective, adverse effects on beneficial being handled the vector management system. In present study, mosquitocidal potential of chitinase from P. putida Mb 12 ...

Journal: :Journal of Tekirdag Agricultural Faculty 2022

İki noktalı kırmızı örümcek, Tetranychus urticae Koch (Acari: Tetranychidae) elma bahçelerinde ekonomik kayıp oluşturan önemli zararlılardan birsidir. Kısa süreli biyolojileri nedeniyle kullanılan akarisitlere çok kısa sürede direnç geliştirmektedirler. Bu nedenle etkili bir kimyasal mücadele için T. popülasyonlarının gösterdikleri duyarlılık düzeyleri periyodik olarak izlenmelidir. çalışmada, ...

ژورنال: :plant protection journal 0
mona fallahi ahmad heidari saeid moharamipour sohrab imani aref maroof

مشکلات ناشی از مصرف آفت­کش­های شیمیایی و مصنوعی بر محیط زیست و انسان موجب گرایش به استفاده از آفت­کش­هایی با منشاء گیاهی و طبیعی برای کنترل آفات شده است. گیاه اکالیپتوس با دارا بودن خواص آفت کشی به عنوان یک گیاه بالقوه می تواند بدین منظور مورد مطالعه قرار گیرد. در این تحقیق اثر کشندگی عصاره هگزانی سه گونه اکالیپتوسeucalyptus globules ،  e. microthecaو e. camaldulensis روی مراحل مختلف رشدی شپشه ...

ژورنال: :تحقیقات گیاهان دارویی و معطر ایران 2015
سهیل بازاری مقدم مصطفی شریف روحانی عیسی شریف پور ذبیح ا... پژند جلیل جلیل پور

امروزه اهمیت استفاده از گیاهان دارویی در مبارزه با بیماری های عفونی و غیرعفونی کاملاً آشکار بوده و لزوم جایگزینی آنها با داروهای شیمیایی به ویژه در صنعت آبزی پروری ضروری به نظر می رسد. این مطالعه با هدف بررسی و تعیین غلظت کشندگی عصاره هیدروالکلی سیر (allium sativum l. ) در بچه تاسماهی ایرانی در راستای اجرای مطالعات کاربردی انجام شد. این تحقیق بر روی بچه تاسماهیان ایرانی با میانگین وزنی 51/0 ± 22...

Journal: :Indian Journal of Pharmaceutical Education and Research 2021

Abstract: Background: Synthesis of silver nanoparticles (AgNPs) using green plants is important for biocompatibility, reduced hazards, policy and eco-friendliness. Materials Methods: In this study, a leaf extract Solanum indicum associated AgNPs were used to examine larvicidal properties other biological activities. AgNP forms characterized with scanning electron- microscopy (SEM), Fourier Tran...

Journal: :Parasitologists United Journal 2021

Background: The L3 of Lucilia cuprina grow and feed on the living flesh sheep. Besides, they cause cutaneous myiasis. Herbal medicine showed potential efficacy against several pathogens as well insecticidal effects. Objectives: present work aims to investigate effect two volatile oils, Syzygium aromaticum, Mentha longifolia chemical neonicotinoid, imidacloprid (IMI), developmental stages L. cup...

Abbas Hadjiakhoondi, Afsaneh Rajabi, Hassan Vatandoost Mahnaz Khanavi, Masoud Behzad Mohammad Reza Abaee

In this study, the total 80% of MeOH extract and also petroleum ether, CHCl3, EtOAc, n-BuOH, and the remaining MeOH fractions obtained by solvent-solvent fractionation of the whole flowering samples of Centaurea bruguierana (DC.) Hand.-Mzt. ssp. belangerana (DC.) Bornm. (Asteraceae), namely “Baad-Avard”, collected from Borazjan in Bushehr Province (Bushehr, Iran) were investigated for larvicida...

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