@article { author = {Abo- El–Ez, A. and Shaheen, Shereen and Abo-Eloun, Hadeer}, title = {Effect of Foliar Application some Plant Growth Regulators on Growth and Productivity of Olive Trees under South Egypt Conditions}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {775-783}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36433}, abstract = {This study was carried out through  three successive seasons 2014 , 2015 and 2016  to study the effect of Salicylic acid at (200 &400 ppm) and Naphthalene acetic acid at (50& 100 ppm) as a foliar application on flowering, fruiting, yield and fruit quality of Picual and Manzanillo cvs olive trees (9 years old). Planted 6x6 apart at Horticultural Station Orchard at Shandaweel region, Sohag Governorate. The results indicated that foliar spray of salicylic acid at 200 ppm is recommended for improving productivity attributed to increase flowering percentage and density, as well as percentage of sex expression. Moreover, treatments reduced the alternative bearing and enhanced the fruit physical properties. Furthermore, each of two Salicylic acid concentration (200 & 400 ppm) improved fruit oil content.  }, keywords = {Salicylic acid,Naphthalene acetic acid,foliar application,Olive cultivars "Picual","Manzanillo"}, url = {https://jpp.journals.ekb.eg/article_36433.html}, eprint = {https://jpp.journals.ekb.eg/article_36433_a3c1a904ffa4693acff4187c5718a403.pdf} } @article { author = {Abo-El-Ez, A. and Elsayada, S. and Abdel All, E. and Fayyad, I.}, title = {Effect of Foliar Application with Multi-Micronutrients and Polyamines on Productivity and Storeability of Valencia Oranges}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {785-797}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36434}, abstract = {The present study was carried out during two successive seasons 2015 and 2016 on of Valencia orange trees (Citrus sinensis L. Osbeck) budded on Volkamer lemon (Citrus volkameriana L.) rootstock, grown in sandy soil under drip irrigation system, in a citrus orchard located in El-Kwamel farm, college of Agriculture, Sohag University, Egypt. The selected trees (33 tree) of Valencia orange cv. were set as a randomized complete block design (RCBD) with 3 replications. The target of this study was to investigate the effect of foliar spraying of multi-micronutrients (1% B, 200 ppm Zn and 250 ppm Fe (and three levels of putruscine (10-3, 10-5 and 10-7mM/Lit) individually or their combinations at full bloom and after ten days from fruit set on productivity and some quality parameters upon harvest as well as during storage at room (ambient) temperature for better marketability of Valencia orange without economical loss. It can be concluded that 10-3mM/Lit (PUT) + Multi-micronutrients treatment gave the highest values of fruit set, retained fruit/tree, fruit weight (g), fruit juice weight (g), fruit juice volume (cm) and fruit peel thickness (mm) of Valencia orange. As well as it gave the highest rate of total soluble solids (TSS) percentage, TSS/acid ratio and ascorbic acid (100g juice)  and the lowest values of fruit decay percentage during storage period. This study suggested that 10-3mM/Lit (PUT) + Multi-micronutrients treatment may be consider a useful technology for improve productivity and some quality parameters upon harvest of Valencia orange trees. As well as, the same treatments to avoid the negative quality effects during fruit storage at room (ambient) temperature especially increase the  rate of total soluble solids percentage, TSS/acid ratio and ascorbic acid (100g juice) for better marketability of Valencia orange fruits without economical loss.}, keywords = {Valencia orange,Putruscine,Multi-micronutrient,foliar spraying,Fruit storage}, url = {https://jpp.journals.ekb.eg/article_36434.html}, eprint = {https://jpp.journals.ekb.eg/article_36434_dc4ff07f63bf6fa9d9784adb5bc077cf.pdf} } @article { author = {Khodair, O. A. and Radwan, E.}, title = {Effect of Gibberellic Acid and Pachlobutrazol Spraying on Fruit Characteristics of Williams Banana under Assuit Conditions}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {799-803}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36435}, abstract = {This study was carried out during two consecutive seasons of 2016/2017 and 2017/2018 on the third and fourth ratoons of Williams banana plants. The plants were grown in the experimental orchard of Al Azhar University., Assiut Governorate., Egypt. The experiment was set up in a split plot arrangement design.  Bunches were sprayed twice (just after emergence of the last hand and one month later and thrice) with gibberellic acid (GA3) and Aug. at a rate of 40 ppm Pachlobutrazol (PB) sprayed at  rates of 2g and 4g /L at Aug.The obtained results revealed that spraying (GA3) and pachlobutrazol (PB) led to increase bunch and finger weights the fruit characteristics There was an improvement of chemical fruit constituents in term of increasing total soluble solids (TSS %), sugars contents and decreasing the total acidity percentages due to spray of GA3 or pachlobutrazol (PB) singly or interaction of them compared to the control treatment. Then, it could be concluded that spraying 40 ppm GA3 thrice. As well as spraying pachlobutrazol (PB) at (2g) /L seems to be the promising treatment under this experiment conditions to get the best results with regard to yield and fruit quality.}, keywords = {Williams Banana,gibberellic acid,pachlobutrazol,yield,fruit quality}, url = {https://jpp.journals.ekb.eg/article_36435.html}, eprint = {https://jpp.journals.ekb.eg/article_36435_3913d4f3b4682903e249d2ac10b70e1a.pdf} } @article { author = {El-Dengawy, E. and Samaan, L. and El-Shobaky, M. and El-Kadi, S. and Saleh, M.}, title = {Evaluation of Rutability, Quality and Microbial Load in Hayani Date Palm Fruits during Cold Storage as Affected by Applying some Safe Postharvest Treatments}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {805-813}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36436}, abstract = {This work was carried out during the two successive 2014 & 2015 seasons in the post-harvest lab., Agricultural Development System Project, Faculty of Agric. Cairo University, Giza, Egypt. The efficacy of using some safe substances i.e., chitosan ( 0.75 and 1.5 %) and sodium carbonate at 0.75 and 1.5 %, along with, control on storability, microbial load of Hayani date palm fruits and its quality under cold storage conditions (2 °C and 90 – 95 % relative humidity) was studied. It was observed  that two conflicted trends were resulted with prolonging  of cold storage period during both seasons. The percentage of weight loss, decay, rutab, soluble solids content and total sugars of fruits  were increased; while fruit firmness, acidity  and soluable tannins values were relatively reduced. Moreover, the different Hayani fruits measurements according  to various tested treatments varied not only from one treatment to other but also, each characteristic reflected its own trend from the other side. Therefore, it could be concluded that all soaking  treatments significantly reduced the fruit microbial load and decay  percentage compared to control (water dipping). On the other hand, 1.5 % chitosan treatment was the superior. Chitosan treatments reduced the level of microorganisms load compared with control. At the same trend Sodium carbonate treatments reduced also, both bacterial and fungal count during the storage period of Hayani date. Four deferent fungi were isolated and identified from Hayani date as Aspergillus niger, A. flavus, Rhizopus nigricans and Penicillium sp. On the contrary of that , the  total acidity was slightly affected  by different treatments. The  difference was more significant  particularly with the two tested concentrations of chitosan during both seasons of study. Furthermore, the fruit firmness, total sugars and tannins content significantly affected by various treatments.}, keywords = {date palm,Postharvest,safe substances,Chitosan,sodium carbonate,physical and chemical properties,microbiological analysis and fungi identification}, url = {https://jpp.journals.ekb.eg/article_36436.html}, eprint = {https://jpp.journals.ekb.eg/article_36436_3e60e95b3dc5b7c2bbd94896456a2cdc.pdf} } @article { author = {Rady, H.}, title = {Genotypic and Environmental Interaction Effects on Forage Yield and its Related Traits of some Summer Forage Crops}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {815-820}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36437}, abstract = {Two field experiments were conducted at Sakha and Sids Agriculture Research Station, ARC, during the two successive summer seasons of 2015 and 2016. Six summer forage crops; sorghum cv. Giza 1, Sudan grass cv. piper black, sorghum cv. SX-17, millet cv. Shandaweel 1, teosinte cv. Sakha and maize Drawa were evaluated in two locations for forage yield and some related traits. Three cuts were taken from the five forage crops and two cuts from Drawa at the same period. Combined analysis of variance revealed significant and highly significant differences for seasons, locations, summer forage crops and most of their interactions on fresh and dry forage yield, plant height, stem diameter, fresh and dry leaf/stem ratio at the two cuts and three cuts and total yield.The interaction effect between forage crops and seasons were more pronounced than between forage crops with the location on some traits, and the opposite for the other traits. Sudangrass (piper black) followed by Sorgo (Giza 1) were the best summer forage crops for fresh and dry forage yield under the study, over environments. While maize (Drawa) was the lowest one. Millet (Shandaweel 1) gave more fresh and dry yield than SX-17 at Sids location, but SX-17 exceeded millet at Sakha location, over the two seasons. Plant height and stem diameter had the same trend of fresh and dry forage yield. Fresh leaf/stem ratio had higher values in the two seasons and their combined at Sakha than at Sids. Teosinte was the best one. Concerning dry leaf/stem ratio values, season 2016 had higher values at Sakha than season 2015 at Sids and teosinte was the best one. It is economically viable to cultivate teosinte at Kafr El-Sheikh Governorate and surrounding areas since it has high palatability and good quality. On the other hand, maize as Drawa not preferable as summer forage crop since it had the lowest fresh and dry forage yield and dry leaf/stem ratio.}, keywords = {}, url = {https://jpp.journals.ekb.eg/article_36437.html}, eprint = {https://jpp.journals.ekb.eg/article_36437_d7dc340695ea81e4aebf9d06be7bbf64.pdf} } @article { author = {Awadalla, A. and Morsy, A. and Sherif, M.}, title = {Performance of Faba Bean Plants under different Irrigation Regimes and Foliar Application of Certain Growth Regulators in Toshka Area, Egypt}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {821-831}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36438}, abstract = {In order to water deficit has become the major limiting factor on the productivity and sustainability of agriculture, especially in arid and semi-arid regions. It could be achieved through two field experiment were carried out during 2016-17 and 2017-18 seasons at the agricultural experimental station farm of Water Studies & Research Complex (WSRC), National Water Research Center, located in Toshka at Abu-Simbel Region, to investigate out the impact of irrigation water regimes (Ir 1 =60, Ir 2 =80 and Ir 3 =100 % of ETc, which were applied using a sprinkler irrigation system) with the foliar applications of indole acetic acid (IAA) application (In 1 =0, In 2 =50 and In 3 =75 ppm) and kinetin (Kn 1 =0, Kn 2 =20 and Kn 3 =40 ppm) on growth, seed yield and quality of faba bean plants (Nubaria 1) as well as the water crop productivity (WCP). The experiment was laid out in strip-split plot design with 3 replications.The obtained results could be summarized as follows: Increasing the applied amount of irrigation water from 1458 (Ir 1 ) to 2430 m 3 fed -1 (Ir 3 ) gave the highest values of all growth characters, except plant height in average values of both seasons. Nevertheless, the application of 100 % ETc (Ir 3 ) resulted in increases in the values of yield and its attributes as well as P and K contents of seeds. The highest values of (WUE), (WCP) and seed quality (protein content) occurred with 60 % ETc (Ir 1 ) of irrigation water level. The growth traits, yield and its attributes, as well as chemical composition of faba bean values and water parameters increased with increasing IAA and kinetin concentrations to 75 and 40 ppm, respectively.  With respect to the interaction of the three studied factors, Ir 3 (100 % ETc), In 3 (75 ppm) and Kn 3 (40 ppm) gave the highest values for plant height, leaf area index, total chlorophyll and No. of branches plant -1 .Seed yield was positively significantly and correlated to the leaf area index, total chlorophyll, root length, plant fresh and dry weights, No. of branches and leaves plant -1 , No. of pods plant -1 , 100-seed weight and pod yield plant -1 whereas, the plant height was significantly negatively correlated to seed yield.Therefore, it is recommended to grow faba bean plants (Nubaria 1) with applying 2430 m 3 fed -1 of irrigation water and foliar spraying indole acetic acid (IAA) and kinetin at levels 75 and 40 ppm, respectively to obtain high seed yield and quality of faba bean.     }, keywords = {Faba bean,Irrigation,growth regulators,yield,Chemical composition,WCP}, url = {https://jpp.journals.ekb.eg/article_36438.html}, eprint = {https://jpp.journals.ekb.eg/article_36438_dcbb59aac6ff28191804f49cdca25afc.pdf} } @article { author = {Ali, A. and El-Denary, M. and El-Gendy, A. and Galal, Ola and Mohamed, M. and El sayed, Tahany}, title = {Morphological Evaluation of some Tomato Somaclones Variation under Field Conditions}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {833-838}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36443}, abstract = {The current study was carried out at the Department of Genetics, Faculty of Agriculture, Tanta University, Egypt.   The Experiment was carried out at a private farm, Kafr El-Sheikh, Egypt, during 2010 and  2015  seasons which including producing somaclones, greenhouse evaluation and  field experiment evaluation. Field evaluation experiment was conducted during 2015 season. Four tomato varieties, Super StrainB , Castle Rock, AdvantageII, and Edkawy were used in this study. Ten somaclones has been driven from each variety. Yield and yield components, quality and some physiological characteristics were evaluated for all tomato genotypes . The results showed highly significant differences among somaclones and their original cultivar in all studied traits. Generally, SE10 somaclone driven from Edkawy  gave the highest values of plant height, number of leaves and number of clusters, while the highest values of  number of branches /plant  were produced by SE1 driven from the same variety. The highest values of number of fruit/plant and total yield /plant as well as fruit firmness and fruit weight were recorded by  SA6 driven from Advantage II variety. The highest values of chlorophyll content was produced by SS5 driven from Super StrainB. Somaclone SA2 driven from Advantage II variety had the largest size. Somaclone SC7 driven from Castle Rock showed the highest mean of TSS%.}, keywords = {Tomato. Somaclones,yield and quality}, url = {https://jpp.journals.ekb.eg/article_36443.html}, eprint = {https://jpp.journals.ekb.eg/article_36443_94a96524a506fdfbd0d4d5727aef4684.pdf} } @article { author = {H., Doaa}, title = {Effect of Plastic Covering and Rootstocks on Yield, Physical and Chemical Characteristics of Superior Grapevines (Vitis vinifera L.)}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {839-844}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36444}, abstract = {The performance of Superior grapevines grafted onto three rootstocks namely SO4, Freedom and 1103 Paulsen cultivated under covered and uncovered conditions were evaluated during 2015 and 2016 seasons. Data obtained showed that grapevines under plastic cover recorded the highest leaf area, chlorophyll content in leaves and macroelement content in leaf petioles, in addition, it has a significant effect on yield and berry quality. Concerning the effect of rootstocks, the differences in productivity and grape quality between the tested rootstocks were significant and it was obvious that Freedom in comparison with 1103 Paulsen and SO4 significantly increased vines vegetative growth especially under protected cultivation.}, keywords = {}, url = {https://jpp.journals.ekb.eg/article_36444.html}, eprint = {https://jpp.journals.ekb.eg/article_36444_da1f5ea3f8b6efbb639afdea8447f8f5.pdf} } @article { author = {EL-Habet, Howida and Abd El-Megeed, T. and Osman, Mervat}, title = {Performance of some Rice Genotypes under Both Different Nitrogen Levels and Plant Spaces}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {845-858}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36446}, abstract = {Two field experiments were conducted at the farm of Sakha Research Station, Kafr el-sheikh, Egypt in 2016 and 2017 rice seasons to study the performance of some rice genotypes under both different plant spaces and various nitrogen levels. Rice varieties i.e. SP70 (Sakha108), GZ9461, GZ7112 and GZ9057 (Giza 179) were used and cultivated under three spaces namely 15x20, 20x20 and 25x20 cm with three nitrogen levels i.e. control (without N-application), 110 and 165 kg N/ha. Statistical design of the experiment was split-split plot design. Rice varieties were applied in the main plots and plant space was allocated in the sub plots, while sub sub plots received nitrogen levels. The studied characters such as chlorophyll content, plant height, number of tillers and panicles, panicle length, panicle weight, 1000-grain weight, grain and straw yield were estimated. The main results revealed that the different genotypes slightly differed in their characters under study according to genetic background. The space of 25x20 cm was the best for all the studied characters of the tested genotypes except panicle length which responded to medium space 20x20 cm. The narrowing space of 15x20 cm was not suitable for all the genotypes and decreased most of the studied characters. The application of 165 kg N/ha caused an increased in the growth, yield attributes and grain plus straw yield. Results also indicated that the combination of wider space 25x20 cm with 165 Kg N/ha caused as a significant increase in all the previously mentioned characters expect 1000-grain weight which reached to its maximum value under both narrowing space 15x20 cm and control treatment (without N-application). The combination of all the genotypes under study with the space of 25x20 cm and 165 kg N/ha produced the same greatest grain yield except GZ7112 which gave the least. Straw yield of all the genotypes was nearly the same under both medium space (20x20cm) and narrowing space 15x20cm when fertilized by 165 kg N/ha specially GZ9057 which produced the highest straw yield under the same space and level of nitrogen.}, keywords = {rice,nitrogen,plant spacing,newly released Varieties}, url = {https://jpp.journals.ekb.eg/article_36446.html}, eprint = {https://jpp.journals.ekb.eg/article_36446_56069eb31e7bf52a558cd1d2e5d5f659.pdf} } @article { author = {Bassiony, S. and Ibrahim, Manal}, title = {Breaking Bud Dormancy in "Flame Seedless" and "Superior Seedless" Grapevines Using Natural Extracts as Compared with Hydrogen Cyanamide}, journal = {Journal of Plant Production}, volume = {9}, number = {10}, pages = {859-868}, year = {2018}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2018.36448}, abstract = {This investigation was carried out during two seasons 2017 and 2018 on Flame seedless and superior seedless (Vitis vinifera L.) grapevines ten years old, grown in a private vineyard located at El-Beheira Governorate. The study was conducted to evaluate the potential effects of spraying with some natural substances (Garlic extract at 10 and 15% as well as Clove oil at 7 and 10%) as compared to artificial chemical treatment (Hydrogen cyanamide at 2.5%) usually used for breaking bud dormancy. The treatments were applied alone or combined with mineral oil at 2% two times (first week of January and one week later) in both seasons. The obtained results cleared that, the natural substances used, especially Garlic extract at 10 or 15% + mineral oil at 2% are resemble with Hydrogen cyanamide alone or with mineral oil at 2% treatment in hastening bud sprouting, shortening the duration of bud break, enhancing fertility coefficient, improving yield, cluster quality parameters (weight, length and width and berries per cluster), berries physical (weight, dimensions, volume) and chemical (SSC, SSC/acid ratio and anthocyanin contents of Flame seedless) quality parameters of both grapevine cvs. over control. Alternatively, Garlic extract can be used to safety release buds instead of that artificial chemical such as Hydrogen cyanamide.}, keywords = {natural extracts,garlic extract,Clove oil,Dormex,Flame seedless,Superior Seedless}, url = {https://jpp.journals.ekb.eg/article_36448.html}, eprint = {https://jpp.journals.ekb.eg/article_36448_f7ca82e7d3198f9a40347f2bacfa356a.pdf} }