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Minia University (1994)

Response Of Balady Mandarin Trees Citrus Reticulata Blanco To Pollination And Fertilization With Phosphorus And Magnesium

Mohamed Rafat Abdel Muomen Amin

Titre : Response Of Balady Mandarin Trees Citrus Reticulata Blanco To Pollination And Fertilization With Phosphorus And Magnesium

Auteur : Mohamed Rafat Abdel Muomen Amin,

Etablissement de soutenance : Minia University

Grade : Master of Science in Horticulture 1994

Résumé
This investigation was performed in the seasons of 1992 and 1993 on Balady mandarin trees (Citrus reticulata Blanco) budded on Sour orange rootstock. The administrative orchard was located at El-Dakhla Oasis, New Valley Governorate where the soil is sandy, well drained and the water table depth was not less than two meters. The target of this study was throw some light on the effect of insect pollination and fertilization with Phosphorus (P) and Magnesium (Mg) on leaf area and its mineral content as well as yield and fruit quality.also,the effects of the studied treatments on the types of insects visiting the flowers, , number of foraged honeybees workers as well as the amount of nectar and its sugar concentration were also investigated .moreover,the influences of the bio-fertilizer namely phosphorene when added with p fertilizer on the aforesaid traits were also recognized. Six colonies in nearly equal strength (7 combs each) of pure carniolan honeybees, Apis mellifera carniea L. were selected and _put adjacent the orchard of Balady mandarins (3 feddans) in two colonies per feddan basis.

Présentation étendue (EULC)

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