الفهرس 
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Abstract
The present work aimed to study the following points:-
1-Effect of certain internal factors (Brood areas and population of bees) on honey yield of honey bee colonies.
2- Effect of some beekeeping operations on honey yield.
3-Effect of sugar cane syrup produced as a result of sugar cane harvest on honey bee colonies and its productivity.
4- Chemical properties of honey types produced by honey bee colonies in Luxor region.
from the obtained data, it could be concluded that the honey yield of honeybee colonies under Luxor conditions is controlled by many factors which could be summarized in the following points:
1- There was a great effect of brood combs and bee population level of the honeybee colonies on their activity in nectar collection.
2-Citrus, Egyptian clover, alfalfa, sesame and banana were considered the main sources of honey in Luxor region.
3- Extracting honey before the flowering of main honey crop resulted in producing more honey.
4- Replacement of old wax combs with the new ones increased the amount of the produced honeys.
5-There was good effect of sugar cane harvest during January to April positively affected of the productivity of honey bee colonies.
6- Chemical analysis of honey types tested showed that:
a- Citrus honey contained the highest percentage of moisture and non-reducing sugar content. While the Egyptian clover was richest of ash content.
b- Sesame honey recorded the largest content of total soluble solids and hydroxyl Methyl Furfural (HMF), while banana honey recorded the highest percentage of acidity (pH).
c- Alfalfa honey contained the highest content of reducing sugar.