THE EFFECTS OF CERTAIN AGRI CULTURAL PRACTICES ON LEAFHOPPERS, APHIDS AND WHITEFLY INFESTING EGGPLANT AND PEPPER PLANTS

Faculty Agriculture Year: 2007
Type of Publication: ZU Hosted Pages: 319-399
Authors:
Ola Ibrahim Mohamed Soliman
Journal: Egypt.J.of Appl.Sci. كلية الزراعة جامعة المنصورة Volume: 3
Keywords : , EFFECTS , CERTAIN AGRI CULTURAL PRACTICES , LEAFHOPPERS,    
Abstract:
The present investigation aimed to study the effects of some eggplant varieties (Bonica ,Oneta and Balady ) and pepper plant varieties (Orly ,Maor and Marconi )under the effect of different potassium fertilization levels (zero , 50, 100 and 200 kg potassium sulphate /feddan ).The effect of some chemical contents ( protein ,carbohydrate and pH values) were studied on different leafhopper , aphid and whitefly insects were also tested .The obtained results show pronounced differences in the population density of these insects under test as influenced by the aforementioned agricultural practices . Therefore, it could be recommended that potassium fertilization along with the most suitable plant variety must be included in the integrated pest management programs.
    
     
 
       

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