Mutilation caused after harvest by Nile grass rat, in wheat fields in Egypt


Mustafa Ali

The damage caused by the Nile grass rat Arvicanthis niloticus in wheat field. It has been observed that the rat attack the plant during the period from fourth ears to the harvest. The maximum attack by this rat was more predominant during the period from 7- 30 April, during which the grains were in full maturity. The damage decreased gradually towards the center of the field.The highest damage at the border of the field may be due to the high number of the rats, Since A. niloticus is accustomed to build its burrows at the border of fields and near canals. The increase of the burrows is naturally accompanied with the increase of rodent population.


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