@article { author = {El-Homosany, Ahmed and Noor El-Deen, Tarek}, title = {IN VITRO STORAGE OF PAULOWNIA TOMENTOSA}, journal = {Scientific Journal of Flowers and Ornamental Plants}, volume = {6}, number = {3}, pages = {139-149}, year = {2019}, publisher = {Scientific Society for Flowers and Ornamental Plants}, issn = {2356-7864}, eissn = {2536-9296}, doi = {10.21608/sjfop.2019.79212}, abstract = {Storage of plant species with high commercial potential as ornamental or for the alimentation and pharmacological has been used to preserve genetic variability and allowed the study of its properties in a controlled environment through the use of in vitro culture techniques. In this study, shoot tip explants of Paulownia tomentosa were excised from in vitro grown shootlets and cultured on Murashige and Skoog (MS) medium supplemented with 30 g l-1 sucrose (control) and different concentrations of sucrose or sorbitol (20, 40, 50 and 60 g l-1) and in combinations (10 + 10, 20 + 20, 25 + 25 and 30 + 30 g l-1) and incubated under 18 °C in complete darkness for 2, 4, 6, 8 and 10 months. Results showed that all shoot tip explants conserved on MS medium augmented with different concentrations of sucrose or sorbitol and their combinations for 2 months, at the level of 30 g l-1 sucrose (control) for 4 months recorded the best survival percentage (100%). At the end of storage period (after 10 months), the highest survival percentage (83.33%) was noticed when explants were conserved on MS medium with 30 g l-1 (control) or 50 g l-1 sucrose. Meanwhile, the lowest survival percentage (25.00%) was achieved when explants were conserved on MS medium with 10 g l-1 sucrose + 10 g l-1 sorbitol. Moreover, it was observed an increasing of shoot length and number of proliferated shoots/explant during storage periods except all treatments with sorbitol and the treatment with sucrose plus sorbitol (10 + 10 g 1-1) remained without change in all storage periods.}, keywords = {in vitro storage,Paulownia tomentosa,slow growth,Sorbitol,sucrose}, url = {https://sjfop.journals.ekb.eg/article_79212.html}, eprint = {https://sjfop.journals.ekb.eg/article_79212_288c62db61a7ae1a1312839b648dbd58.pdf} } @article { author = {El-Kinany, R. and Brengi, S. and Nassar, A. and El-Batal, A.}, title = {ENHANCEMENT OF PLANT GROWTH, CHEMICAL COMPOSITION AND SECONDARY METABOLITES OF ESSENTIAL OIL OF SALT-STRESSED CORIANDER (CORIANDRUM SATIVUM L.) PLANTS USING SELENIUM, NANO-SELENIUM, AND GLYCINE BETAINE}, journal = {Scientific Journal of Flowers and Ornamental Plants}, volume = {6}, number = {3}, pages = {151-173}, year = {2019}, publisher = {Scientific Society for Flowers and Ornamental Plants}, issn = {2356-7864}, eissn = {2536-9296}, doi = {10.21608/sjfop.2019.84973}, abstract = {Two pot experiments were carried out under greenhouse conditions during the two successive winter seasons of 2017/2018 and 2018/2019 to enhance the performance of coriander (Coriandrum sativum L.) plants under salt stress conditions (NaCl at 0, 25, 50 and 75 mM). Along with the possibility of enhancing the plant growth, chemical composition, and secondary metabolites of essential oils. Foliar applications of selenium (25 and 50 ppm), nano selenium (25 and 50 ppm), glycine betaine (5 and 10 mM), and distilled water (control treatment) were applied on C. sativum plants. The foliage and root growth, chemical composition, and secondary metabolites of essential oils of coriander plants grown under salt stress were examined. The obtained results of the two seasons revealed that salt stress had significant deleterious effects on vegetative growth, fruit yield, essential oil yield, secondary components, and leaves chemical composition, while it enhanced the electrolyte leakage, proline content, Na+ and Cl- of the leaves. Generally, the tested treatments: selenium, nano selenium, and glycine betaine varied in their significant effects on the studied characters. Selenium and glycine betaine treatments were more effective in improving coriander plants to salinity stress where they significantly increased almost all the studied parameters under saline compared to the control.}, keywords = {Coriander,selenium,Selenium nanoparticles,glycine betaine,salt stress}, url = {https://sjfop.journals.ekb.eg/article_84973.html}, eprint = {https://sjfop.journals.ekb.eg/article_84973_7e1ab4227fc7b6e24719c1623a92de4d.pdf} } @article { author = {Emam, O.}, title = {USAGE OF ACTOSOL (HUMIC ACID) AND SOME GROWTH REGULATORS FOR IMPROVING PLANT QUALITY OF CHAMAEDOREA SEIFRIZII, BURRET}, journal = {Scientific Journal of Flowers and Ornamental Plants}, volume = {6}, number = {3}, pages = {175-189}, year = {2019}, publisher = {Scientific Society for Flowers and Ornamental Plants}, issn = {2356-7864}, eissn = {2536-9296}, doi = {10.21608/sjfop.2019.85252}, abstract = {The present experiment was performed during two successive seasons (2017/2018), (2018/2019) at the nursery of Horticulture Research Institute, Agriculture Research Center, Giza, Egypt. It intended to solve the main important problem facing the production of Chamaedorea seifrizii plant under Egyptian conditions of the slow rate of growth especially at the early stage, besides improving plant quality. So, the individual as well as the combined effects of different actosol levels (organic fertilizer) as a main factor and different levels of the mixture of different growth regulators GA3 (gibberellic acid), BA (benzyladenine) and NAA (naphthalene acetic acid) as a subfactor were investigated. In both seasons (on November, 1st) transplants of 9-10 cm length and 2-3 leaves were planted in 25 cm plastic pot filled with the mixture of sand and clay (1:1, v/v). Actosol (humic acid) was applied as a soil drench at different levels (0, 1, 2 and 3 ml/l). Whereas the mixture of the different growth regulators it was applied at different levels (0, 50, 150, 250 and 350 ppm) as a foliar spray. All of them were applied at monthly intervals commencing from three months after planting (February, 1st) till the termination of the experiment (December, 1st). Thus, the plants were treated by either actosol or the mixture of the different growth regulators 11 times in every season. Results emphasized the beneficial effect of using the highest levels of actosol (2 and 3 ml/l) for improving root length and its fresh and dry weights, comparing with that gained from untreated control plants with significant effect in the two seasons. Meanwhile, the same levels (2 and 3 ml/l) gave rise to the utmost highest values of the different vegetative growth parameters expressed by plant height, No. of leaves/plant, stem diameter and fresh and dry weight of vegetative part, chemical constituents of vegetative parts was also affected by treating plants with actosol. Pigment contents (chlorophyll a, b and carotenoides), total carbohydrates and minerals (N, P and K %) revealed also an increment due to applying the different levels of actosol, with the mastery of applying the highest level (3 ml/l). With respect to the effect of the mixture of the different levels of growth regulators on roots, vegetative growth parameters and chemical constituents of the plant, it is clear the beneficial effect of the mixtures on improving such traits especially with using the highest level (350 ppm) in the two seasons. From the aforementioned results and the interaction, it could be recommended to supply plants with the highest level of actosol (3 ml/l) and that of the mixture of growth regulators (350 ppm) after three months after transplanting and then at monthly interval for 11 times throughout the growth season in order to produce Chamaedorea seifrizii of good quality with solving the problem of the slow rate of growth under Egyptian conditions.}, keywords = {Chamaedorea seifrizii,actosol (humic acid),gibberellic acid,benzyladenine,Naphthalene acetic acid}, url = {https://sjfop.journals.ekb.eg/article_85252.html}, eprint = {https://sjfop.journals.ekb.eg/article_85252_90929a24bf9bc389c217713825ab7683.pdf} } @article { author = {Waly, A. and Abd El-Fattah, Y. and Hassan, M. and El-Ghadban, E. and Abd Alla, Alia}, title = {EFFECT OF FOLIAR SPRAYING WITH SEAWEEDS EXTRACT, CHITOSAN AND POTASSIUM SILICATE ON ROSMARINUS OFFICINALIS L. PLANTS IN SANDY SOIL}, journal = {Scientific Journal of Flowers and Ornamental Plants}, volume = {6}, number = {3}, pages = {191-209}, year = {2019}, publisher = {Scientific Society for Flowers and Ornamental Plants}, issn = {2356-7864}, eissn = {2536-9296}, doi = {10.21608/sjfop.2019.92322}, abstract = {The present study was carried out at the Experimental Farm, Horticulture Department, Faculty of Agriculture, Suez Canal University during two seasons of 2017/2018 and 2018/2019 to study the effect of foliar application of seaweeds extract at 2, 4 and 6 ml/l, chitosan at 2, 4 and 6 ml/l and potassium silicate at 6, 9 and 12 ml/l as well as the interaction between seaweeds extract and chitosan on growth, biochemical, and essential oil characteristics of rosemary plants grown in a sandy soil. These compounds were applied as foliar spray three times after 15 days from planting. The results showed that foliar applications of seaweeds extract at 6 ml/l, chitosan at 6 ml/l and potassium silicate at 12 ml/l significantly affected all studied parameters compared with control. The results clearly indicated that the different applied treatments increased the measured growth characteristics i.e. plant height, number of branches/plant, fresh and dry weights as well parallel increase of photosynthetic pigments. Also, constituents of N, P, K, total carbohydrates, percentage of essential oil and the G.L.C. of essential oil of plant age were existed in the two assigned seasons. In addition, the most effective combined treatment was that of seaweed at 6 ml/l + chitosan at 6 ml/l in this respect.}, keywords = {rosemary,Rosmarinus officinalis L,seaweed extract,Chitosan,potassium silicate,growth and essential oil}, url = {https://sjfop.journals.ekb.eg/article_92322.html}, eprint = {https://sjfop.journals.ekb.eg/article_92322_0e8556b616a0ffd0a41c3653e36f1b95.pdf} }