EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'
Ibrahim,, G., Rasmy, M., Saleh, M., EI-Saedy, M. (2002). EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'. EKB Journal Management System, 27(8), 5295-5301. doi: 10.21608/jpp.2002.256238
G. H. Ibrahim,; M. R. Rasmy; M. M. Saleh; M. A. M. EI-Saedy. "EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'". EKB Journal Management System, 27, 8, 2002, 5295-5301. doi: 10.21608/jpp.2002.256238
Ibrahim,, G., Rasmy, M., Saleh, M., EI-Saedy, M. (2002). 'EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'', EKB Journal Management System, 27(8), pp. 5295-5301. doi: 10.21608/jpp.2002.256238
Ibrahim,, G., Rasmy, M., Saleh, M., EI-Saedy, M. EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'. EKB Journal Management System, 2002; 27(8): 5295-5301. doi: 10.21608/jpp.2002.256238

EFFECT OF CULTURE FILTRATES OF CERTAIN Fusarium culmorum ISOLATES ON EGG HATCHING OF Me/oidogyne incognita.'

Journal of Plant Production
Article 12, Volume 27, Issue 8, August 2002, Page 5295-5301  XML PDF (874.37 K)
Document Type: Original Article
DOI: 10.21608/jpp.2002.256238
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Authors
G. H. Ibrahim,1; M. R. Rasmy1; M. M. Saleh1; M. A. M. EI-Saedy2
1Plant Pathology Research Institute, Agricultural, Research Center, Giza 12619
2Dept. of Plant Pathology, Faculty of Agriculture, EI·Shatby, Alexandria University
Abstract
The role of culture filtrate of five Egyptian pathogenic isolates of F. culmorum
isolated from crown and root rot disease of wheat plant were evaluated on egg
hatching of Me/oidogyne incognita. Result showed that all culture filtrates reduced
number of hatched juveniles and inhibition percentage ranged from 93.5 to 97.7 %
.The highest decrease in number of hatched juveniles (97.7%) was obtained at 100 %
concentration of culture filtrates of aggressive isolate, and the lowest decrease
(86.3%) was found at 10 % concentration of culture filtrate in the weak isolate, All
concentrations of .stanoard zeralenone toxin, 300,200, 100,50, and10 pmm., gave
Significant, reduction in hatched juveniles compared with control and no significant
difference between concentrations ranged from 300 -50 ppm .. in the percentaqe of
alive juveniles that it was zero, Three toxins were isolated from F. culmorum isolates
and identified as zearalenone. deoxynivalenol and unknown toxin. The effect of these
toxins 'were studied on egg hatching and the result obtained showed that zearalenone
and deoxynivalenol toxins gave tlie highest decrease, but the unknown toxin gave the
lowest. No significant 'difference between zearalenone and deoxynivalenol toxins in
                the percentage of alive juveniles that it was zero, 
Keywords
Fusarium culmorum; isolates filtrates; egg- hatching; Meloidogyne incognita
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