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Journal of Crop Protection، جلد ۴، شماره ۵، صفحات ۶۶۷-۶۷۴
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عنوان انگلیسی The effects of Arthrobotrys oligospora and Arthrobotrys conoides culture filtrates on second stage juvenile mortality and egg hatching of Meloidogyne incognita and Meloidogyne javanica
چکیده انگلیسی مقاله Culture filtrates (CF) of two species of the nematophagous fungi, Arthrobotrys oligospora and Arthrobotrys conoidesat three concentrations (25%, 50% and 100%) of stock, were tested on the mortality of second stage juveniles (J2) and egg hatching rate of Meloidogyne incognita and Meloidogyne javanica. Results showed that the percent juvenile mortality was directly proportional to concentration of the filtrates. Egg hatching rate of these nematodes was inversely affected by increasing concentrations. Also CFs had various impacts on the mortality of J2 and egg hatching rate. In case of M. incognita maximum J2 mortality (28.98%) occurred after 24 hours of exposure to A. conoides filtrate at concentration of 100%. The minimum toxicity (12.5% J2 mortality) was recorded for A. oligospora at 25% filtrate concentration. At the same time, the highest rate of J2 mortality of M. javanica (19.18%) belonged to the 100% concentration of A. conoides, while minimum toxicity belonged to 25% concentration of A. oligospora causing 9.09% mortality. Maximum egg hatching rate for M. incognita (30.75%) belonged to control and minimum hatching rate (1.25%) belonged to 100% concentration of A. conoides. The highest hatching rate of M. javanica (36.25%)belonged to control and minimum hatching rate (1.25%) occurred at 100% concentration of A. conoides.
کلیدواژه‌های انگلیسی مقاله Arthrobotrys oligospora,A. conoides,culture filtrate,mortality,egg hatching rate, Meloidogyne incognita,M. javanica
نویسندگان مقاله Masoud Shams- Bakhsh |
Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

Ebrahim Pourjam |
Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

Farahnaz Jahanshahi Afshar |
Nematology Department, Iranian Research Institute of Plant Protection.

Naser Safaie |
Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

Seyedeh Lavin Nourani |
Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

Ebrahim Mohammadi- Goltapeh |
Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

Mokhtar Jalali Javaran |
Department of Plant Breeding and Biotechnology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.

نشانی اینترنتی https://jcp.modares.ac.ir/article_1248_91880091e8fdcbbb2435b75fb443bf93.pdf
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