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Partial Replacement of Inorganic Nitrogen Fertilizer by Spraying Some Vitamins, Yeast and Seaweed Extract In Ewaise Mango Orchard under Upper Egypt Conditions

Faissal, F. Ahmed, Ahmed, M. M. A. Akl and Ahmed, A. F. Oraby

 Hort. Dept., Fac. of Agric. Minia Univ. Egypt.

a_samman1@yahoo.com

Abstract: During 2012 and 2013 seasons, attempts were carried out for replacing 40 to 80 % mineral N by spraying seaweed extract at 2 %, yeast at 2 % or vitamins A & D & K each at 50 ppm in Ewaise  mango orchards situated at upper Egypt conditions. A remarkable promotion on the leaf area, chlorophylls a & b, total carotenoids, total chlorophylls, leaf total carbohydrates %, leaf C/N as well as nutrients namely N P K Mg, Zn, Fe and Mn in the leaves, fruit retention %, yield and fruit quality was observed with supplying the trees with the suitable N (1000 g N/ tree/ year) through 60 to 80 % mineral source in combined with spraying seaweed extract at 2 %, yeast at 2 % or vitamins A, D & K each at 50 ppm in relative to using N completely via mineral source or when mineral N was added at percentages lower than 60 %. Both total acidity % and nitrite content in the pulp were greatly reduced. Using N as mineral N at percentages lower than 60 % gave unfavourable results. For replacing 40 % of mineral N as well as improving yield and fruit quality of Ewaise mango trees grown under upper Egypt conditions, it is advised to fertilize the trees with N at 1000 g N/ tree/ year via 60 % mineral N plus spraying seaweed extract four times at 2 %.

[Faissal, F. Ahmed, Ahmed, M. M. A. Akl and Ahmed, A. F. Oraby. Partial Replacement of Inorganic Nitrogen Fertilizer by Spraying Some Vitamins, Yeast and Seaweed Extract In Ewaise Mango Orchard under Upper Egypt Conditions. Stem Cell 2013;4(3):1-13] (ISSN 1545-4570). http://www.sciencepub.net/stem. 1. doi:10.7537/marsscj040313.01

Keywords: Mineral N, seaweed extract, yeast, vitamins, growth, yield and fruit quality and Ewaise mango trees.

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Evaluation of Some Dry Date Palm Varieties Propagated Through Seed and Tissue Culture Technique under Aswan Region Climatic Conditions

Faissal, F. Ahmed, Moawad A. Mohamed; Ali A. Gobara and Ahmed, A. Abd El- Kafy

 Hort. Dept, Fac. of Agric. Minia Univ. Egypt.

a_samman1@yahoo.com

Abstract: This study was conducted during 2011 and 2012 seasons to compare growth, flowering and fruit setting behaviour, yield as well as physical and chemical characteristics of some dry date palm varieties (Melkaby, Gendiala and Sakkoti) propagated through seeds and tissue culture techniques under Aswan region climatic conditions. This study clarified that major differences were observed on vegetative growth characters as well as flowering and fruiting aspects among the two propagation methods namely seeds and tissue culture as well as among the three date palm cvs Melkaby, Gendiala and Sakkoti. All the positive effects on the behaviour of growth and fruiting aspects were attributed to using propagation via seeds. The best date palm cvs successfully grown under Aswan environmental conditions are Gendiala, Melkaby and Sakkoti, in descending order based on their higher yields and fruit quality. We need in the future for evaluation of all date palm cvs produced from tissue culture grown in all environmental conditions under Egypt to survey the different problems and to select the best way for alleviating these problems especially at the older ages.

[Faissal, F. Ahmed, Moawad A. Mohamed; Ali A. Gobara and Ahmed, A. Abd El- Kafy. Evaluation of Some Dry Date Palm Varieties Propagated Through Seed and Tissue Culture Technique under Aswan Region Climatic Conditions. Stem Cell 2013;4(3):14-24] (ISSN 1545-4570). http://www.sciencepub.net/stem. 2. doi:10.7537/marsscj040313.02

Keywords: Evaluation, growth, fruiting, Melkaby, Gendiala and Sakkoti date palms

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The Beneficial Effects of Some Humic Acid, EM1 and Weed Control Treatments on Fruiting of Superior Grapevines

Ahmed , H.M. Abdelaal¹; Faissal , F. Ahmed²; Moawad F. Ebraheim³  and  Abdelaal  M., Abd El- Kareem³

¹Hort. Dept. Fac. of Agric. Azhar Univ. Assiut. Egypt.

²Hort. Dept. Fac. of Agric. Minia Univ. Egypt.

³Central Lab. Weeds Res. ARC, Giza, Egypt.

Abstract: This study was carried out during 2010 and 2011 seasons as a trial for controlling weeds and improving yield and quality in Superior vineyard by using various soil mulches namely black polyethylene sheets, rice straw and banana leaves, chemical control with glyphosate at 2 L/ fed. and hand hoeing three times as well as using EM₁ and / or humic acid each at 5 ml/ vine / year. Results revealed that supplying the vines with EM₁ and / or humic acid was very effective in controlling weeds as well as promoting growth, vine nutritional status, yield and fruit quality in relative to the control treatment. Killing weeds by mulching the soil with different mulches namely black polyethylene sheets, rice straw and banana leaves as well as chemical control and hand hoeing was favourable for controlling weeds and improving yield quantitively and quantitively rather than unwedded control. For controlling weeds and improving productivity in Superior vineyards, it is advised to use black polyethylene sheets as well as fertilization with EM₁ and humic acid each at 5 ml/ vine / year.

[Ahmed, H.M. Abdelaal; Faissal, F. Ahmed; Moawad A. Mohamed and Abdelaal M., Abd El- Kareem. The Beneficial Effects of Some Humic Acid, EM1 and Weed Control Treatments on Fruiting of Superior Grapevines. Stem Cell 2013;4(3):25-38] (ISSN 1545-4570). http://www.sciencepub.net. 3. doi:10.7537/marsscj040313.03

Key words: Beneficial effects, Humic acid , weed control, Superior grapevines, mulching, promoting growth

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Stem Cell and Differentiation Literatres

Mark H Smith

Queens, New York 11418, USA

mark20082009@gmail.com

Abstract: The definition of stem cell is “an unspecialized cell that gives rise to a specific specialized cell, such as a blood cell”. Stem Cell is the original of life. All cells come from stem cells. Serving as a repair system for the living body, the stem cells can divide without limit to replenish other cells as long as the living body is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell situation or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a bone cell, a nerve cell, or a brain cell. Stem cell research is a typical and important topic of life science. This material collects some literatures on stem cell and differentiation.

[Smith MH. Stem Cell and Differentiation Literatures. Stem Cell 2013;4(3):39-72] (ISSN 1545-4570). http://www.sciencepub.net/stem. 4. doi:10.7537/marsscj040313.04

Key words: stem cell; life; gene; DNA; protein; differentiation

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Isolation and Characterization of Stem Cells Literatures

Mark H Smith

Queens, New York 11418, USA

mark20082009@gmail.com

Abstract: The definition of stem cell is “an unspecialized cell that gives rise to a specific specialized cell, such as a blood cell”. Stem Cell is the original of life. All cells come from stem cells. Serving as a repair system for the living body, the stem cells can divide without limit to replenish other cells as long as the living body is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell situation or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a bone cell, a nerve cell, or a brain cell. Stem cell research is a typical and important topic of life science. This material collects some literatures on isolation and characterization of stem cell.

[Smith MH. Isolation and Characterization of Stem Cells Literatures. Stem Cell 2013;4(3):73-109] (ISSN 1545-4570). http://www.sciencepub.net/stem. 5. doi:10.7537/marsscj040313.05

Key words: stem cell; life; gene; DNA; protein; isolation; characterization

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Adult Stem Cell Literatures

Mark H Smith

Queens, New York 11418, USA

mark20082009@gmail.com

Abstract: The definition of stem cell is “an unspecialized cell that gives rise to a specific specialized cell, such as a blood cell”. Stem Cell is the original of life. All cells come from stem cells. Serving as a repair system for the living body, the stem cells can divide without limit to replenish other cells as long as the living body is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell situation or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a bone cell, a nerve cell, or a brain cell. Stem cell research is a typical and important topic of life science. This material collects some literatures on adult stem cell.

[Smith MH. Adult Stem Cell Literatures. Stem Cell 2013;4(3):110-131] (ISSN 1545-4570). http://www.sciencepub.net/stem. 6. doi:10.7537/marsscj040313.06

Key words: stem cell; life; gene; DNA; protein; adult

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Stem Cell Debate

Mark H Smith

Queens, New York 11418, USA

mark20082009@gmail.com

Abstract: The definition of stem cell is “an unspecialized cell that gives rise to a specific specialized cell, such as a blood cell”. Stem Cell is the original of life. All cells come from stem cells. Serving as a repair system for the living body, the stem cells can divide without limit to replenish other cells as long as the living body is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell situation or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a bone cell, a nerve cell, or a brain cell. Stem cell research is a typical and important topic of life science. This material collects some literatures on stem cell debate.

[Smith MH. Stem Cell Debate. Stem Cell Debate. Stem Cell 2013;4(3):132-141] (ISSN 1545-4570). http://www.sciencepub.net/stem. 7. doi:10.7537/marsscj040313.07

Key words: stem cell; life; gene; DNA; protein; debate

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Stem Cell Patent

Mark H Smith

Queens, New York 11418, USA

mark20082009@gmail.com

Abstract: The definition of stem cell is “an unspecialized cell that gives rise to a specific specialized cell, such as a blood cell”. Stem Cell is the original of life. All cells come from stem cells. Serving as a repair system for the living body, the stem cells can divide without limit to replenish other cells as long as the living body is still alive. When a stem cell divides, each new cell has the potential to either remain a stem cell situuition or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a bone cell, a nerve cell, or a brain cell. Stem cell research is a tipical and important topic of life science. This material collects some literatures on stem cell patent.

[Smith MH. Stem Cell Patent. Stem Cell 2013;4(3):142-160] (ISSN 1545-4570). http://www.sciencepub.net/stem. 8. doi:10.7537/marsscj040313.08

Key words: stem cell; life; gene; DNA; protein; patent

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