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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/3623

Title: Interacting effects of soil texture and inoculum levels on reproduction and pathogenicity of meloidogyne javanica on potato
Authors: Al-Hazmi, A.S.
Ibrahim, A.A.M.
AbrJul-Razig, A.T.
Keywords: Potato
Soil texture
Meloidogyne Javanica
Soil texture
Plant production
Inoculum levels
Issue Date: 1995
Publisher: Faculty Of Agriculture, Alexandria University, Alexandria, Egypt
Citation: Alexander Journal of Agricultural: 40 (1); 359-369
Abstract: A 2-year study was conducted in the greenhouse to determine the effects of three soil types (sand , sandy loam and loam) and four inoculum levels (0t 1000, 2000 and 4000 nematode eggs / 500 env* soil) of Mehidogyne Javanica on nematode reproduction and pathogenicity on potato cv. Spunta. Nematode reproduction and host damage were both affected by the soil texture and the initial inoculum level. Number of egg masses, eggs and galls across all soil types increased (P = 0.05) as the inoculum level increased. The least (P = 0.05) nematode reproduction and host damage occurred in the loam soil. The sandy and sandy loam soils showed higher nematode reproduction and damage with no significant differences. Regression analyses of the independents Pi-sand-clay vs. number-of eggs and gaits gave values of 0.45 and 0.56 , respectively. The R^ for Pi alone vs. eggs was 0.39 and vs. galls 0.52. Soil affected tuber Yield with the least fresh tuber weights occurring in the loam soil. The for Pi-sand-day vs. yield was 0.13.
URI: http://hdl.handle.net/123456789/3623
ISSN: 0044 - 7250
Appears in Collections:College of Foods And Agricultural Science

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