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Ameliorative effect of foliar application of calcium on vegetative growth and mineral contents of olive trees Kalmata and Manzanillo cultivars irrigated with saline water

Authors: Hagagg, Laila F.; Advisor: -; Participants: Merwad, Mohamed A.; Shahin, Mohamed M. F.; El-Hady, Eman S. (2020)

This work was carried out through 2017 and 2018 seasons on tow olive cultivars (Kalmata and Manzanillo). Trees were 15 years old, grown in sandy soil, planted at 5 × 5 m apart, and irrigated with saline water through drip irrigation system. This investigation aimed to improve vegetative growth and its mineral contents of the tow olive cultivars. Trees were sprayed with calcium at 0.5% as calcium chloride (21% Ca) and chelated calcium.

Influence of foliar application with putrescine, salicylic, and ascorbic acid on the productivity and physical and chemical fruit properties of Picual olive trees

Authors: Hagagg, Laila F.; Advisor: -; Participants: Abd-Alhamid, Nazmy; Hassan, Hassan S. A.; Hassan, Ahmed M.; Geanidy, Esmail A. E. (2020)

In this study, all treatments were able to improve all studied characters compared with the control treatment in both spraying dates of November and December in both seasons, respectively. Moreover, the best yield of olive fruits in this study was recorded with the application of putrescine at 15 ppm + salicylic at 200 ppm + ascorbic at 2000 ppm in the first and second seasons, respectively.

Effect of foliar application of boron trioxide and zinc oxide nanoparticles on leaves chemical composition, yield and fruit quality of Olea europaea L. cv. Picual

Authors: Genaidy, Esmail A. E.; Advisor: -; Participants: Abd-Alhamid, Nazmy; Hassan, Hassan S. A.; Hassan, Ahmed M.; Hagagg, Laila F. (2020)

The application of boron and zinc nanoparticles in different concentration was able to effect on the qualitative and quantitative characteristics of Picual cultivar in the first and second seasons, respectively, compared with the control treatment leaves mineral content and pigments, fruit set percent, fruit drop percent, fruits yield, fruit physical, and chemical characteristics. Moreover, spraying Picual cultivar with nano-boron at 20 ppm + nano-zinc at 200 ppm (T8) is the best treatment in this study to obtain the maximum final fruit set which led to harvest the maximum fruits yield with the high seed oil percentage and low acidity in the first and second seasons, respectively.

Influence of foliar spray with some calcium sources on flowering, fruit set, yield and fruit quality of olive Kalmata and Manzanillo cultivars under salt stress

Authors: El-Hady, Eman S.; Advisor: -; Participants: Merwad, Mohamed A.; Shahin, Mohamed F. M.; Hagagg, Laila F. (2020)

The results revealed that there were significant differences with calcium source treatment regarding number of inflorescences/shoot, no. of total flowers/inflorescences, sex expression, initial fruit set, final fruit set (%) and yield/kg (tree) and decreasing fruit drop (%) of olive oil Kalmata and Manzanillo cultivars compared with unsprayed in both seasons.

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