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FIELD APPLICATION OF A COMMERCIAL FORMULATION CONTAINING AN ISOLATE OF BACILLUS THURINGIENSIS FOR MANAGING TYLENCHULUS SEMIPENETRANS ON NAVEL ORANGE TREES

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dc.contributor.author M.A.W. EL-NAGDI
dc.contributor.author M.M.A. YOUSSEF
dc.date.accessioned 2023-03-06T08:04:38Z
dc.date.available 2023-03-06T08:04:38Z
dc.date.issued 2009-07-10
dc.identifier.citation El-Nagdi, M. A. W., & Youssef, M. M. A. (2009). Field application of a commercial formulation containing an isolate of Bacillus thuringiensis for managing Tylenchulus semipenetrans on navel orange trees. Pakistan Journal of Nematology, 27(2), 317-323. en_US
dc.identifier.issn 0255-7576
dc.identifier.uri http://142.54.178.187:9060/xmlui/handle/123456789/17685
dc.description.abstract Effect of a commercial formulation (AgerinR) containing an isolate of Bacillus thuringiensis (sub sp.aegypti strain C18 and C129 spores and crystals) on citrus nematode, Tylenchulus semipenetrans on navel orange trees was studied under laboratory and field conditions. Under laboratory, the standard solution (S) prepared from ½ g agerinR in 100 ml distilled water caused the highest percentage of nematode mortality (56.7 %) followed by those caused by S/2 (55.0 %) and S/10 (36 %). Under field conditions, agerin at intermediate rate of 2 kg / feedan proved to be most effective against the citrus nematode as it caused percentages reduction 46.0 and 40.5% for number of juveniles in soil and females in roots, one month after application, respectively; followed by those of the highest one (3kg / fed.) at the same time. Accordingly, the intermediate rate of AgerinR achieved the highest percentage increases for fruit number and weight per tree and fruit yield per feddan as they were 180, 180 and 181 %, respectively followed by those of the highest one. The nematicide carbofuran achieved 30, 30 and 31.3 % reduction only for the respective criteria.. en_US
dc.language.iso en en_US
dc.publisher Karachi, National Nematological Research Centre (NNRC), University of Karachi, en_US
dc.title FIELD APPLICATION OF A COMMERCIAL FORMULATION CONTAINING AN ISOLATE OF BACILLUS THURINGIENSIS FOR MANAGING TYLENCHULUS SEMIPENETRANS ON NAVEL ORANGE TREES en_US
dc.type Article en_US


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