Population dynamics of Heterodera zeae under stress of a cropping sequence regime in Egypt
Population dynamics of Heterodera zeae under stress of a cropping sequence regime in Egypt
A.E. Ismail† and A.M. Kheir*
ABSTRACT
Population dynamics of juveniles and cysts of corn cyst nematode, Heterodera zeae under stress of a cropping
sequence regime revealed that the average numbers in each stage greatly fluctuated. The density of juveniles or
cysts gradually increased with the favorable host (Giza 2 corn) to reach its peak at the crop maturity, while the
nematode population dropped sharply when the field became fallow. Likewise, the population densities of the
previous stages declined gradually even though in the presence of the non host crop (Meskawii Egyptian clover).
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June 2014
Pakistan Journal of Nematology, Vol. 32, Iss. 1, Pages 1-122
