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  1. Orobanche crenata (Broomrape) is an obligate root parasitic weed belonging to Orobanchaceae. It causes a great damage to legume crops. Many attempts have been done in order to control this parasitic weed. So, the...

    Authors: Mahmoud Ahmed Touny El-Dabaa, Salah Abd-Elghany Ahmed, Nadia Khalil Messiha and Rafat Ragheb El-Masry

    Citation: Bulletin of the National Research Centre 2019 43:37

    Content type: Research

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  2. Carcinoids at atypical sites are rare and mostly asymptomatic. In the majority, they show normal levels of serotonin and its metabolites in plasma and urine, resulting in a relatively late diagnosis and hence ...

    Authors: Karim G. Moustafa and Gamal M. Saied

    Citation: Bulletin of the National Research Centre 2019 43:36

    Content type: Research

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  3. Empirical antibiotic treatment is a common practice to manage chronic dacryocystitis in many healthcare settings in spite of the probability for changing in the types of microbial isolates.

    Authors: Sahar Negm, Amal Aboelnour, Tarek Saleh, Mohamed Yasser and Olfat Hassanin

    Citation: Bulletin of the National Research Centre 2019 43:35

    Content type: Research

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  4. For the sake of environmental safety, many sulfur formulations were recommended in many Integrated Pest Management (IPM) programs to protect, particularly, edible vegetables and fruit trees from insect and mit...

    Authors: Mohamed Ahmed Gesraha and Amany Ramadan Ebeid

    Citation: Bulletin of the National Research Centre 2019 43:34

    Content type: Research

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  5. A set of Makrofol DE 1-1 polymeric samples was irradiated to different gamma doses. The dielectric response of irradiated polymers was investigated at a wide range of frequencies at room temperature. The modif...

    Authors: Y. S. Rammah, S. E. Ibrahim and E. M. Awad

    Citation: Bulletin of the National Research Centre 2019 43:32

    Content type: Research

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  6. Two field experiments were carried out during the two successive winter seasons of 2012–2013 and 2013–2014 in Research and Production Station, National Research Centre, Al-Nubaria District, Al-Behaira Governor...

    Authors: Manal F. Mohamed, Alice T. Thalooth, Tarek A. Elewa and Amal G. Ahmed

    Citation: Bulletin of the National Research Centre 2019 43:31

    Content type: Research

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  7. The lack of information about the Egyptian soil needs more attention, especially mineralogical, petrographical studies, and quality data. Thus, the aim of this study was to evaluate the physicochemical paramet...

    Authors: E. A. Abou El-Anwar, H. S. Mekky, S. A. Salman, A. A. Elnazer, W. Abdel Wahab and A. S. Asmoay

    Citation: Bulletin of the National Research Centre 2019 43:30

    Content type: Research

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    The Correction to this article has been published in Bulletin of the National Research Centre 2019 43:49

  8. Two field experiments were conducted at the Research and Production Station, National Research Centre, El-Nubaria Province, El-Behira Governorate, Egypt, during the two successive winter seasons of 2014/2015 a...

    Authors: Mona Gergis Dawood, Yasser Refaai Abdel-Baky, Mohamed El-Sayed El-Awadi and Gehan Shaker Bakhoum

    Citation: Bulletin of the National Research Centre 2019 43:28

    Content type: Research

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  9. White rot, a garlic disease caused by the soil-borne fungus Stromatinia cepivora (Berk.) Whetzel, is a serious problem of garlic productions in Egypt. This study examines the potential of controlling the disease ...

    Authors: I. E. Elshahawy, Nehal Saied, F. Abd-El-Kareem and A. Morsy

    Citation: Bulletin of the National Research Centre 2019 43:27

    Content type: Research

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  10. Banana contains important nutrients, which could be recycled into useful materials to be reused in different purposes. Extraction of mixed nano bio stimulant fertilizer from banana peels is the main purpose of...

    Authors: H S Hussein, H H Shaarawy, Nabila H Hussien and S I Hawash

    Citation: Bulletin of the National Research Centre 2019 43:26

    Content type: Research

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  11. Reliable measurement of DNA concentration and purity is important for almost all molecular genetics studies. Different plant species have varying levels of polysaccharides, polyphenols, and other secondary met...

    Authors: Nadia Aboul-Ftooh Aboul-Maaty and Hanaa Abdel-Sadek Oraby

    Citation: Bulletin of the National Research Centre 2019 43:25

    Content type: Research

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  12. Retention is an important parameter in the success of the prosthodontic treatment. Retention depends upon numerous factors such as physical, physiological, psychological, mechanical, and surgical factors. Dent...

    Authors: Eman Mostafa Ahmed Ibraheem and Ahmed Mostafa Esmat El-sisy

    Citation: Bulletin of the National Research Centre 2019 43:24

    Content type: Research

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  13. Many studies mentioned that using medicinal herbs and plants as feed additives to ruminants seems to be a recent trend depending on the availability and their cost but using them with monogastric animals and b...

    Authors: Hamed A. A. Omer, Sawsan M. Ahmed, Soha S. Abdel-Magid, Gamal M. H. El-Mallah, Adel A. Bakr and Magda M. Abdel Fattah

    Citation: Bulletin of the National Research Centre 2019 43:23

    Content type: Research

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  14. In the industry, acid and alkali are used to hydrolyze lignocellulosic materials into cellulose and lignin. The cellulose is to be used in several industries such as the production of bioethanol, in the sugar ...

    Authors: Engy Mohamed Akl, Fakhriya Said Taha, Samira Saied Mohamed, Suzanne Mohamed Wagdy and Samy Mohamed Abdel Hamid

    Citation: Bulletin of the National Research Centre 2019 43:21

    Content type: Research

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  15. Toxoplasmosis is probably one of the most common parasitic infections of humans. While infection of healthy adults is usually relatively mild, serious disease can result in utero or when the host is immuno-com...

    Authors: Hala M. Khattab, Safeya O. El Bassiouni, Manal H. Abuelela and Dalia O. Abd Elsalam

    Citation: Bulletin of the National Research Centre 2019 43:20

    Content type: Research

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  16. Damping-off and root rot/wilt diseases caused by the soil-borne fungi Fusarium solani and F. oxysporum are a serious problem of dry bean productions in Egypt. This study examines the potential of controlling thes...

    Authors: H. Abd-El-Khair, I. E. Elshahawy and H. E. Karima Haggag

    Citation: Bulletin of the National Research Centre 2019 43:19

    Content type: Research

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  17. The possession of immense activities of the silver nanoparticles, due to which they have played an anomalous role in the various fields of bioscience, is of big concern of study in the recent era. So, the main...

    Authors: Shah Khalid, Shah Abdul Majid and Mir Ajaz Akram

    Citation: Bulletin of the National Research Centre 2019 43:18

    Content type: Research

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  18. This filed work was conducted to describe the morphological features of Shami goats in subtropical areas in Egypt. The study covered Southern Sinai and Noubaria districts in Egypt. Data were collected from 30 ...

    Authors: Abd-Allah, S, H. H. Abd-El Rahman, M. M. Shoukry, M. I. Mohamed, Fatma M. Salman and A. A. Abedo

    Citation: Bulletin of the National Research Centre 2019 43:17

    Content type: Research

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  19. Biodiesel is a type of renewable energy, an ideal substitute for petroleum diesel fuel. The present study concerns about optimization of culture conditions for biodiesel production by Penicillium commune NRC2016.

    Authors: Sayeda A. Abdelhamid, Azhar A. Hussein, Mohsen S. Asker, Osama H. El Sayed and Saher S. Mohamed

    Citation: Bulletin of the National Research Centre 2019 43:15

    Content type: Research

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  20. Kima company is located east of the river Nile, 2.5 km south of Aswan City. The Quaternary sands and gravels represent the main groundwater aquifer in the area. It is mainly recharged from the river Nile seepa...

    Authors: Abd El-Hay A. Farrag, Hanaa A. Megahed and Mahmoud H. Darwish

    Citation: Bulletin of the National Research Centre 2019 43:14

    Content type: Research

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  21. Outbreaks of post-cataract surgery endophthalmitis are often due to infection with Gram-negative organisms including Pseudomonas aeruginosa, which usually has poor visual prognosis due to its virulence factors an...

    Authors: Amal Abo Elnour, Sahar Negm, Ahmed Ismail and Mostafa A. Elhusseiny

    Citation: Bulletin of the National Research Centre 2019 43:13

    Content type: Research

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  22. Phosphorus is one of the essential nutrients required for plant growth. Although it is moderately available in nature, it is a deficient nutrient in most soils especially calcareous soils. Phosphate rock (PR) ...

    Authors: Farid Hellal, Saied El-Sayed, Raafat Zewainy and Ahmad Amer

    Citation: Bulletin of the National Research Centre 2019 43:11

    Content type: Review

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  23. Biomass produced as a byproduct from the β-mannanase production process by Aspergillus tamarii NRC 3was evaluated as a biosorbent for the removal and recovery of some heavy metal ions.

    Authors: Abdelnaby Mahmoud Saad, Moataza Mahmoud Saad, Nevin Ahmed Ibrahim, Doaa El-Hadedy, Eman Ibrahim Ibrahim, Al Zahraa Karam El-Din and Helmy Mohamed Hassan

    Citation: Bulletin of the National Research Centre 2019 43:10

    Content type: Research

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  24. The purpose of this study is to evaluate the effect of green synthesized silver nanoparticles on post-harvest physiology of cut flower in relation to improvement of its vase life as well as keeping quality of ...

    Authors: Tilak Raj Maity, Aveek Samanta, Babita Saha and Siraj Datta

    Citation: Bulletin of the National Research Centre 2019 43:9

    Content type: Research

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  25. Statistics on cancer incidence and mortalities indicate that this disease still has a fatal outcome for a majority of patients due to non-sufficient treatment. The options available for cancer treatment includ...

    Authors: Ahmed R. Hamed, Nahla S. Abdel-Azim, Khaled A. Shams and Faiza M. Hammouda

    Citation: Bulletin of the National Research Centre 2019 43:8

    Content type: Review

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  26. Egypt is experiencing a revival of the strawberry cultivation backed by its Mediterranean climate, fertile soils, and geographic location which support high production and profitability of such a specialty cro...

    Authors: Mahfouz M. M. Abd-Elgawad

    Citation: Bulletin of the National Research Centre 2019 43:7

    Content type: Review

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  27. The European corn borer, Ostrinia nubilalis (Hüb.) (Lepidoptera: Crambidae), is an important pest that disturbs the economic yield of Egyptian crops especially the corn plant.

    Authors: Amany Ramadan Ebeid

    Citation: Bulletin of the National Research Centre 2019 43:6

    Content type: Research

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  28. For scavenging reactive oxygen species, plant possess effective system that protect them from destructive oxidative reaction. Parts of this system as osmoprotectants and antioxidative enzymes are key elements ...

    Authors: Mervat Shamoon Sadak, Hala Mohammed Safwat El-Bassiouny and Mona Gergis Dawood

    Citation: Bulletin of the National Research Centre 2019 43:5

    Content type: Research

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  29. Honey is a natural sweetener that is derived from the nectar, pollen, and resin of plants. It has been used as a folk medicine for decades. In addition to being an excellent therapeutic agent, honey possesses ...

    Authors: Fatima Ibrahim Jibril, Abu Bakar Mohd Hilmi and Lavaniya Manivannan

    Citation: Bulletin of the National Research Centre 2019 43:4

    Content type: Review

    Published on:

  30. Eustoma grandiflorum is a new floral crop for the international flowers market, moderately cold-tolerant annual or biennial plant. A large number of seedlings can be produced by seed propagation but the quality i...

    Authors: Abou-Dahab M. Abou-Dahab, Tarek A. Mohammed, Amaal A. Heikal, Lobna S. Taha, Ahmed M. M. Gabr, Sami A. Metwally and Awatef I. R. Ali

    Citation: Bulletin of the National Research Centre 2019 43:3

    Content type: Research

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  31. Two field experiments were carried out at the Research and Production Station of the National Research Centre, Nubaria region, Behira Governorate, Egypt, during two winter seasons of 2014/2015 and 2015/2016. T...

    Authors: Y. R. Abdel-Baky, H. F. Abouziena, A. A. Amin, M. Rashad El-Sh and A. M. Abd El-Sttar

    Citation: Bulletin of the National Research Centre 2019 43:2

    Content type: Research

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  32. Due to the increased economic and social benefits of the strawberry crop yield in Egypt, more attention has been paid to control its pests and diseases. Leaf blight, caused by the fungus Phomopsis obscurans, is o...

    Authors: Farid Abd-El-Kareem, Ibrahim E. Elshahawy and Mahfouz M. M. Abd-Elgawad

    Citation: Bulletin of the National Research Centre 2019 43:1

    Content type: Research

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  33. In Egypt, like other developing countries, goats are prime resources of meat. So, selection of goats for superior growth rate is advantageous. Growth hormone (GH) is the main regulator of animal growth, and en...

    Authors: Karima Fathy Mahrous, Sekena H. Abdel-Aziem, Mohamed A. M. Abdel-Hafez, Mohamed Abdel-Mordy and Hossam E. Rushdi

    Citation: Bulletin of the National Research Centre 2018 42:35

    Content type: Research

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  34. The possibility of culturing Parmentiera cereifera in vitro was tested. Shoot tips and lateral buds were cultured in three media that were based on Murashige and Skoog (MS) but supplemented with different types a...

    Authors: Adel Ahmed Elshafei and Naglaa Mohamed Esmaiel

    Citation: Bulletin of the National Research Centre 2018 42:33

    Content type: Research

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  35. Fungi were grown elsewhere in the soil, water, and food, and fungi cause many of the problems during growth on food in stores. This study investigated the occurrence and frequency of fungi in four governorates...

    Authors: Hamid Moh Algabr, Amin Alwaseai, M. A. Alzumir, A. A. Hassen and S. A. Taresh

    Citation: Bulletin of the National Research Centre 2018 42:32

    Content type: Research

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  36. Amylases are among the most important enzymes which are of great significance for biotechnology and have almost completely replaced chemical hydrolysis of starch in the starch processing industry. The present ...

    Authors: Eman A. Elmansy, Mohsen S. Asker, Ebtsam M. El-Kady, Saadia M. Hassanein and Fawkia M. El-Beih

    Citation: Bulletin of the National Research Centre 2018 42:31

    Content type: Research

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  37. The aim of the current study based on the production and characterization of exopolysaccharides (EPSs) isolated from marine sediment of the Mediterranean and Red Seas is to study its cytotoxic activity against...

    Authors: Mohsen S. Asker, Osama H. El Sayed, Manal G. Mahmoud, Shaymaa M. Yahya, Sahar S. Mohamed, Manal S. Selim, Mohamed S. El Awady, Salma M. Abdelnasser and Mostafa M. Abo Elsoud

    Citation: Bulletin of the National Research Centre 2018 42:30

    Content type: Research

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  38. Recently, researchers demonstrate the importance of associated microorganisms as potential sources of bioactive natural products. Especially, marine-derived fungi consider a treasure of new pharmaceutical lead...

    Authors: Ahmed A. Hamed, Mohamed S. Abdel-Aziz and Faten K. Abd El Hady

    Citation: Bulletin of the National Research Centre 2018 42:29

    Content type: Research

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  39. Plantago spp. includes more than 200 species which had been used traditionally to treat many diseases including colds, hepatitis, and infectious diseases. The aim of this study is to evaluate carbohydrates and fi...

    Authors: Amal M. El-Feky, Marwa M. Elbatanony, Asmaa F. Aboul Naser and Manal A. Hamed

    Citation: Bulletin of the National Research Centre 2018 42:28

    Content type: Research

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  40. In Egypt, the area of Berseem was decreased and wheat area increased which lead to high price of rabbit rations. Using non-traditional feed led to decrease the cost of feeding. The main objective of this study...

    Authors: Hamed A. A. Omer, Mohamed F. El Karamany, Sawsan M. Ahmed, Soha S. Abdel-Magid, Soad El-Naggar and Bakry A. Bakry

    Citation: Bulletin of the National Research Centre 2018 42:27

    Content type: Research

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  41. Haemonchosis is a major parasitic disease in Egyptian sheep industry and its effect on production, animal wellbeing, and welfare is likely to increase. The present study recorded Haemonchus spp. hereditary divers...

    Authors: Omnia M. Kandil, Khaled A. Abdelrahman, Nagwa A. Eid, Lobna M. Elakabawy and Mohamed A. Helal

    Citation: Bulletin of the National Research Centre 2018 42:26

    Content type: Research

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  42. The idea of mixing different grades of diatomite ores with certain ratios to obtain blends with tailored minerals constitution that can help on improving their thermal insulation applicability is introduced in...

    Authors: T. S. Mansour, N. M. Abdallah, S. S. Ibrahim, S. B. Hanna and F. Z. Mahmoud

    Citation: Bulletin of the National Research Centre 2018 42:25

    Content type: Research

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  43. High alumina refractory batches were prepared from Egyptian clay and imported China calcined bauxite. Three concentrations of phosphoric acid 3, 5, and 7%, were added to study their effects on some of their te...

    Authors: Basel Nour El-Din Ali Shalaby, Mohamed Saad El-Maghraby and Ali Ismail Mohamed Ismail

    Citation: Bulletin of the National Research Centre 2018 42:24

    Content type: Research

    Published on:

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