نتایج جستجو برای: قارچ m anisopliae
تعداد نتایج: 546339 فیلتر نتایج به سال:
در این تحقیق میزان تولید و جوانه زنی اسپور و بلاستوسپورهای قارچ Metarhizium anisopliae که روی بذرهای مختلف تولید شده بودند، مورد ارزیابی قرار گرفت. آزمایشها بهصورت فاکتوریل و در قالب طرح کاملاً تصادفی که دارای 9 تیمار در سه تکرار بودند، انجام شد. نتایج اختلاف معنیداری را بین تعداد کنیدی تولید شده، دو هفته پس از کشت نشان داد (F= 4.66, df= 7, 16, p
The effect of relative humidity (43%, 75%, 86% and > 98%) on Aedes aegypti eggs treated with Metarhizium anisopliae or water only was tested for up to a six months exposure at 25 degrees C. Survival of larvae inside eggs was clearly affected by the lowest humidity (43%) tested, and eclosion diminished at all humidities after increasing periods of exposure. M. anisopliae showed to have a strong ...
Seventeen isolates ofMetarhizium anisopliae (Metschnikoff) Sorokin and three isolates of Beauveria bassiana (Balsamo) Vuillemin (Hypocreales: Clavicipitaceae) were evaluated for their pathogenicity to the adult pea leafminer, Liriomyza huidobrensis (Blanchard) (Diptera: Agromyzidae), in the laboratory. Flies were contaminated with dry conidia through a velvet material wrapped around the inner s...
Biotechnology Centre, Cranf ield University, Cranfield, Bedford MK43 OAL, UK The entomopathogenic fungi Beauveria bassiana, Metarhizium anisopliae and Paecilomyces farinosus were cultured on solid agar media containing different carbohydrate components (glycerol, glucose, trehalose or starch) at concentrations of < 142.7 g added carbon I-1 for 30 d at 25 "C. The water activity (a, ) of the medi...
Factors affecting the occurrence and distribution of entomopathogenic fungi in 244 soil samples collected from natural and cultivated areas in Spain were studied using an integrated approach based on univariate and multivariate analyses. Entomopathogenic fungi were isolated from 175 of the 244 (71.7%) soil samples, with only two species found, Beauveria bassiana and Metarhizium anisopliae. Of t...
To supply essential information for improving mass production and biocontrol effi cacy, two-stage cultivation on agar plates was used to evaluate the environmental conditions affecting mycelial growth and sporulation of seven biocontrol fungi. Maximum growth and sporulation occurred on acid media for Paecilomyces (Pa.) lilacinus IPC-P, Pochonia (Po.) chlamydosporia HSY-12-14, and Lecanicillium ...
در این تحقیق میزان تولید و جوانه زنی اسپور و بلاستوسپورهای قارچ metarhizium anisopliae که روی بذرهای مختلف تولید شده بودند، مورد ارزیابی قرار گرفت. آزمایش ها به صورت فاکتوریل و در قالب طرح کاملاً تصادفی که دارای 9 تیمار در سه تکرار بودند، انجام شد. نتایج اختلاف معنی داری را بین تعداد کنیدی تولید شده، دو هفته پس از کشت نشان داد (f= 4.66, df= 7, 16, p<0.01). بیشترین میانگین تولید محصول به میزان 10...
The planthopper Peregrinus maidis (Ashmead) (Hemiptera: Delphacidae) is an important vector of maize viruses in tropical and subtropical areas. Planthoppers are biologically controlled with several species of entomopathogenic fungi that have been isolated from these insect pests of rice in Asia. Beauveria bassiana (Balsamo-Crivelli) Vuillemin and Metarhizium anisopliae (Metschnikoff) Sorokin (H...
With the incidence of Lyme disease increasing throughout the United States, reducing risk of exposure to the disease is of the utmost concern. In the northeastern U.S., the blacklegged tick, Ixodes scapularis, is the primary vector and the white-footed mouse, (Peromyscus leucopus), the primary reservoir for Borrelia burgdorteri, the bacterium causing Lyme disease. Targeting I. scapularis engorg...
With the incidence of Lyme disease increasing throughout the United States, reducing risk of exposure to the disease is of the utmost concern. In the northeastern U.S., the blacklegged tick, Ixodes scapularis, is the primary vector and the white-footed mouse, (Peromyscus leucopus), the primary reservoir for Borrelia burgdorferi, the bacterium causing Lyme disease. Targeting I. scapularis engorg...
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