MORPHOLOGICAL AND BIOLOGICAL VARIABILITY OF STEINERNEMA FELTIAE (NEMATODA, STEINERNEMATIDAE) ITALIAN STRAINS
نویسندگان
چکیده
منابع مشابه
Developmental temperature effects on five geographic isolates of the entomopathogenic nematode Steinernema feltiae (Nematoda: Steinernematidae).
The development of five geographic isolates of Steinernema feltiae at 5, 8, 10, 15, 20, 25, and 28 degrees C in wax moth, Galleria mellonella, larvae was examined. The isolates were from Mediterranean (Sinop from Turkey, SN from France, and Monterey from California), subtropical (Rafaela from Argentina), and tropical (MG-14 from Hawaii) regions. All isolates caused 100% mortality of wax moth la...
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A systematic program of genetic improvement was initiated by assessing the phenotypic variation of Steinernema feltiae strains for two traits assumed to limit efficacy: ultraviolet tolerance and host-finding ability. All of the strains assayed showed both low ultraviolet tolerance and poor host-finding ability, indicating that the likelihood of improving these traits through more extensive popu...
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باکتریهای Xenorhabdus همزیست اختصاصی نماتدهای بیمارگرحشرات در جنس Steinernema میباشند. در این بررسی مشخصات سه جدایهی باکتری جدا شده از دو گونه نماتد بیمارگر حشرات Steinernema glaseri (Steiner) وS. carpocapsae (Weiser) تعیین شده است. این دو گونهی بیمارگر از جمعیت طبیعی لاروهای کرم سفید ریشه، Polyphylla olivieri (Laporte de Castelnau)، جداسازی شدند. مطالعهی حاضر بر روی مشخصات اختصاصی این جدایههای...
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A new species of entomopathogenic nematode, herein described as Steinernema akhursti sp. n., was recovered from soil samples collected from Yunnan Province, the People's Republic of China. Both morphological and molecular data show congruently that S. akhursti sp. n. belongs to the Steinernema feltiae group. It can be separated from all described Steinernema species by the combined morphologica...
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A new strain of Steinernema feltiae (Rhabditida: Steinernematidae) was isolated in La Rioja (Spain) from larvae of Bibio hortulanus (Diptera: Bibionidae). A comparative morphometric analysis of this new strain and four additional S. feltiae isolates was performed. Although significant differences in morphometric measurements were observed, PCR-RFLP profiles and sequence analysis of the ITS regi...
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ژورنال
عنوان ژورنال: Redia
سال: 2020
ISSN: 0370-4327
DOI: 10.19263/redia-103.20.24