نتایج جستجو برای: قارچm anisopliae
تعداد نتایج: 1044 فیلتر نتایج به سال:
شپشک آردآلود مرکبات (planococcus citri risso (homoptera: pseudococcidae یکی از مهم ترین آفات مرکبات، گیاهان زینتی و گلخانه ای در بیشتر مناطق جهان می باشد. تمام اندام های گیاهی توسط این آفت مورد حمله قرار می گیرد و تراکم بالای جمعیت آن سبب ترشح فراوان عسلک، زردی برگ ها، ضعف عمومی درخت و درنهایت منجر به ریزش برگ و میوه می شود. مبارزه ی شیمیایی با این شپشک منجر به بروز مقاومت در آفت نسبت به سموم ش...
purpose: this investigation was undertaken to evaluate the potency of metarhizium anisoplea as a biological alternative to the biological control of german cockroaches. materials & methods: the fungal spores were applied against the male and female german cockroach, using two bioassay methods, viz the submerge application and the injection. the data was analysed and the mean mortality was ...
The Rosaceous longhorn beetle (RLHB), Osphranteria coerulescens Redtenbacher (Coleoptera: Cerambycidae) is a significant pests of fruit orchard in Iran and it is costly to control it. During an ongoing project on natural enemies of O. coerulescens in Mashhad region, North East of Iran, two isolates of entomopathogenic fungi (EPF) were isolated as natural pathogens on the larvae. The fungal isol...
En condiciones de laboratorio se evaluó la eficacia cuatro formulados a base Bacillus subtilis, thuringiensis var kurstaki, Metarhizium anisopliae, Beauveria bassiana más un testigo (agua destilada) sobre los estados desarrollo larval plaga Leptophobia aripa Boisduval. Se colectaron 15 larvas por cada estadio, colocadas en grupos 5 placa para total cinco tratamientos con tres repeticiones. Como...
BACKGROUND Increasing incidences of insecticide resistance in malaria vectors are threatening the sustainable use of contemporary chemical vector control measures. Fungal entomopathogens provide a possible additional tool for the control of insecticide-resistant malaria mosquitoes. This study investigated the compatibility of the pyrethroid insecticide permethrin and two mosquito-pathogenic fun...
The susceptibility of the egg, pupa, and adult of Haematobia irritans (L.) (Diptera: Muscidae) to isolates of the fungi Metarhizium anisopliae (Metsch.) Sor., Beauveria bassiana (Bals.) Vuill., and Paecilomyces fumosoroseus (Wize) Brown and Smith, was evaluated under laboratory conditions. Groups of 20 eggs than 4 h old, pupae less than 48h old and adults were sprayed with a conidial suspension...
The gene ODC1, which codes for the ornithine decarboxylase enzyme, was isolated from the entomopathogenic fungus, Metarhizium anisopliae. The deduced amino acid sequence predicted a protein of 447 amino acids with a molecular weight of 49.3 kDa that contained the canonical motifs of ornithine decarboxylases. The ODC1 cDNA sequence was expressed in Escherichia coli cells; radiometric enzyme assa...
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