@article { author = {EL-Shafey, R. and Anis, G. and Elmoghazy, A.}, title = {EVALUATION OF SOME DEVELOPED HIGH YIELDING RICE GENOTYPES RESISTANT TO BLAST, BAKANAE AND WHITE TIP NEMATODE}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {317-329}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45354}, abstract = {Rice diseases is the most destructive biotic constrains for high yield potential and cause breakdown of resistance. The objective of this investigation is to evaluate and screen some developed elite resistant rice genotypes for blast, bakanae and white tip nematode diseases with high yielding potentiality. Eighteen commercial and promising rice genotypes i.e., six varieties and 12 promising lines were evaluated for their agronomic traits, yield and resistance to various diseases under natural and artificial inoculation at experimental farm of Sakha Agricultural Research Station, Kafr El-Sheikh, Egypt during 2014 and 2015 seasons. Among studied traits, No. of filled grains panicle-1 exhibited the highest estimates of genotypic coefficient of variation (GCV) and phenotypic coefficient of variation (PCV), followed by No. of panicles plant-1. Broad sense heritability values were high for all studied traits and ranged from 91.06 % to 99.05 %. The promising lines SP70-6-4 and SP70-6-1 produced the highest grain yield with 11.73 and 11.72 t ha-1 compared with its respective parent Sakha 101 (10.63 t ha-1). The result of principal component analysis (PCA) showed that most important traits in divergence of evaluated genotypes were; filled grains panicle-1 and showed the contribution of these parents Giza 178, GZ 6296, super rice varieties IR 66298, IR 65600. IR 66159 as good donors for improving filled grains panicle-1. All the studied genotypes had wide range of genetic variability, therefore they provided broad spectrum of blast resistance levels. The three developed lines; GG-46-2006, GG-42-1 and GG-42-2 were highly resistant to blast. The super rice genotypes; IR 66298, IR 65600, IR 66159 and HR 5824 and the elite developed lines; GZ 5310 and BY 6-20 could be considered as promising donors to bakanae resistance. For white tip nematode, the derived lines from Giza 177 crossed to HR 5824 dropped the No. of nematodes per 10 g rice grains from 153.67 individual larvae to 0 and 1.67. The line BY 6-20 reduced the No. of nematodes to 4.33 comparing with 106 larvae of its parent Sakha 101. The highly resistant genotypes Giza 178, GZ 6296 and their derived lines recorded the lowest no. of nematodes ranged from 0.67 to 12.33. Giza 178, GZ 6296 and their derived line BY 6-20 were considered as good donors for white tip nematode resistance. The breeder successfully improved elite varieties; SP70-6-1, BY 6-20, Giza 178-1 and GG-46-2006, with wide spectrum of resistance level to blast, bakanae and white tip nematode. Giza 178 and GZ 6296 were considered as good donors of all tested diseases in breeding program.}, keywords = {rice,Oryza sativa L,varietal improvement,disease resistance,blast,Bakanae,white tip nematode}, url = {https://jpp.journals.ekb.eg/article_45354.html}, eprint = {https://jpp.journals.ekb.eg/article_45354_7413d99a3cfed9b259381d87dd54bf76.pdf} } @article { author = {Ragab, M. and Araf, M. and Shahin, S. and EL-Gamal, A.}, title = {EFFECTS OF SOME CHEMICAL, ORGANIC AND BIO FERTILIZERS ON SEED YIELD AND YIELD COMPONENTS OF KAFER EL-SHAIKH COWPEA VARIETY AND ITS RELATIONSHIP WITH RUST DISEASE INFECTION.}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {331-337}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45356}, abstract = {Two field experiments were carried out during the two successive summer seasons of 2014 and 2015 at the experimental farm of the Environmental Studies And Research Institute, University of Sadat City to study the effect of some chemical, organic and bio fertilizers on seed yield and its components as well as rust disease infection of Kafer EL-Shaikh cawpea cultivar. seven treatments were used in addition to control treatment.. Results indicate the treatment of 50% NPK +Rhizobia + Homic + Microbin and 50% NPK + Rhizobia + Homic were the best among all tested treatments where both of them gave an average high-yield and some of its components compared with the other treatments in both seasonsAs for rust disease, the low percentage of infection has always been linked to the presence of humic acid and in some cases with the compost, on the other hand, the ratio was high percentage of infection in most cases linked to the existence of chemical fertilizer and sometimes the presence of rhizobia, or both together. The treatment 50% NPK + Rhizobia +Homic+Microbin was the best while it give the lowest percentage of infection under the four periods in the two seasons. The recommended added rates were as follows: 50% NPK. (16.5kg N+ 30 kg P2O5 + 25kg K2O) +2kg commercial rhizobia + 4L commercial homic +5L commercial microben / feddan. }, keywords = {Cowpea organic,bio and chemical fertilizers,rust percentage}, url = {https://jpp.journals.ekb.eg/article_45356.html}, eprint = {https://jpp.journals.ekb.eg/article_45356_08181da30a675f84ce6d8a345c5efae9.pdf} } @article { author = {El-Sayed, Somaia}, title = {SOME FACTORS AFFECTING ORANGE FRUIT SPLITTING OF WASHINGTON NAVEL ORANGE UNDER KAFERELSHIKH CONDITIONS. B- THE EFFECT OF CLIMATIC CONDITIONS AND FRUIT POSITION ON THE TREE CANOPY.}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {339-342}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45357}, abstract = {This study was carried out during 2010 and 2011 seasons on 14 years old Washington navel orange trees ( C . sinensis L .) grown on two citrus rootstocks ( Volkamer lemon and Sour orange ) and spaced at 5x5 m in private orchard at Kafrelshikh Governorate , to study the effect of the climatic conditions and fruit position on fruit splitting under Kafrelshikh Climatic  conditions . The obtained results showed that, the incidence of splitting starts lightly in September coincidence with maximum air temperature and relative humidity before and after this period followed by gradual increase of fruit maturity. Trees on both Volkamer lemon and Sour orange rootstocks gave a high percentage of splitting, reaching a maximum values in November and December. The highest percentage of fruit splitting was counted in the southern aspect and lower part than in upper part of tree canopy. Trees on Sour orange rootstock in both seasons recorded the highest percentage of splitting compared to those on Volkamer lemon.}, keywords = {}, url = {https://jpp.journals.ekb.eg/article_45357.html}, eprint = {https://jpp.journals.ekb.eg/article_45357_250502105a17574080415413578d3c53.pdf} } @article { author = {El-Sayed, Somaia}, title = {SOME FACTORS AFFECTING ORANGE FRUIT SPLITTING OF WASHINGTON NAVEL ORANGE UNDER KAFR ELSHEIKH CONDITIONS. A- THE EFFECT OF ROOTSTOCK.}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {343-349}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45358}, abstract = {This study was carried out during 2010 and 2011 seasons on 14 years old Washington navel orange trees (C. sinensis, L.) grown on two citrus rootstocks (Volkamer lemon and Sour orange) and spaced at 5x5 m in private orchard at Kafrelshikh Governorate, to study the effect of these two rootstocks on fruit splitting under Kafrelshikh climatic conditions. The obtained results showed that, trees on Volkamer lemon rootstock gave a highest value of yield, peel thickens, and fruit and navel shape and less % of splitting when compared with those on Sour orange rootstock in both seasons. Also, the results showed a positive relationship between crop load and the percentage of fruit splitting. Fruit splitting is greatest when crop load is heavy from season to season. The results also cleared that the large number of splitted fruit was counted among a large sized of fruit. The splitting fruit recorded less value of peel thicknes when compared with healthy one for both rootstocks. Also, peel thickness at stylar end measured least values for both healthy and splitted fruit. Leaf analysis recorded the highest values of N, K, Ca and Mg concentrations and least values of P and Na on Volkamer lemon with subordinate % of splitting when compared with Sour orange rootstock, which exhibited higher values. Also,Leaf analyses in this study did not show any deficient in these nutrients. Peel analysis recorded lower values of Ca and Mg in the peel of splitted fruit when compared with those in the peel of healthy one. These inadequate values of Ca and Mg in the peel of splitted fruit may be a factor responsible for inducing splitting of Washington Navel orange fruits.}, keywords = {}, url = {https://jpp.journals.ekb.eg/article_45358.html}, eprint = {https://jpp.journals.ekb.eg/article_45358_32790d383f25367e0be1c1af3382ca64.pdf} } @article { author = {Sakr, M. and Darwish, M. and Ibrahim, Heba and Mostafa, Nada}, title = {PHYSIOLOGICAL EFFECTS OF SOME ANTIOXIDANTS ON MORINGA (Moringa oleifera, L.) PLANT UNDER DROUGHT STRESS}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {351-360}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45360}, abstract = {To alleviate drought stress on moringa plant, the present study was performed aiming to test the alleviating effect of ascorbic acid, salicylic acid, humic acid ,seaweeds extract on moringa trees. Results indicated that treatments had beneficial effect manifested by maintaining yield and   elevating stress-related metabolites, especially phenols , proline. Ascorbic acid , humic acid and seaweed extracts were the most effective and they are recommended to be employed to mitigate water stress on moringa trees which grow under drought stress conditions.    }, keywords = {}, url = {https://jpp.journals.ekb.eg/article_45360.html}, eprint = {https://jpp.journals.ekb.eg/article_45360_d8ff80c01fc54519738449190210e7f0.pdf} } @article { author = {Elsayed, A. and Elsaid, E. and Elsherbiny, E.}, title = {THE PERFORMANCE OF LATE BLIGHT GENE Ph-3 IN TOMATO UNDER THE EFFECT OF LOCAL POPULATIONS FROM Phytophthora infestans}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {361-371}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45361}, abstract = {Since late blight has become a frequent problem in Egypt, it’s important to develop tomato varieties resistant or tolerant to this pathogen. The aim of this research was to assay the performance of late blight resistance gene Ph-3  transferred to some breeding lines and tomato varieties. Five lines (P5, P39, P17, Super marminde and Edkawy) and 3 testers (NC 2 CELBR, NC 25P and 163A) were used in a partial diallel mating desing to generate 15 F1 hybrids. Two individuals greenhouse experiments were conducted for screening the genotypes and evaluation their potencial for faverable traits. The parental varieties and their 15 F1 crosses were screened against late blight under the artificial inoculation with local P. infestans strains. Three disease variables; severity at the end of epidemic (% DS), severity at the half way epidemic (Y50) and the area under the disease progress curve (AUDPC) were used in the screening of resistance. The % DS ranged from 88 % to100 % for the susceptible parental lines while this rate did not exist 21 % for the resistant testes group until the end of the evaluation period. The majority of F1 hybrids exhibited acceptable level of resistance per si, except the crosses resulted from the P05 and P39 with 163A, NC 2 CELBR and NC 25P. Both additive and non-additive gene effects were involved in the inheritance of the resistance to late blight. Mean square values of GCA were larger than SCA for all disease variables where the estimated ratio GCA/SCA were more than 1.00 which indicated that the additive gene effects were more important than the non-additive effects in the inheritance of resistance. Heterosis relative to resistant parent (H2) for % DS ranged from -5.825 % to -37.71 %. Whereas, it was ranged from -43.94 % to -78.95% for AUDPC. Highly and significant heterosis for number of branches, yield and lycopen content were noticed in the hybrid P4 x NC 25P which may be due to sumptuous growth nature of S. habrochaites. The majority of hybrids showed negative heterosis for average fruit weight, while only the hybrid S.marminde x NC 2 CELBR have significant positive heterosis and hybrid vigor. The crosses P39 x NC 25P, P17 x NC 25P and S. marminde x NC25P were the most promising crosses having high frequency of favorable alleles with high genetic variability for selection in the advanced generations.}, keywords = {Heterosis,Combining ability,late blight,Lycopersicon esculentum}, url = {https://jpp.journals.ekb.eg/article_45361.html}, eprint = {https://jpp.journals.ekb.eg/article_45361_45c9dd39dbd37d97e49852031b3aeac5.pdf} } @article { author = {Mohamed, Z. and Darwish, M. and Said, Najme}, title = {EFFECT OF CULTIVARS AND YEAST EXTRACT ON KEY PRIMARY AND SECONDARY METABOLITES IN Catharanthusroseus(L) G. DON.}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {373-378}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45363}, abstract = {A pot experiment was conducted during the growing seasons 2013/2014  and 2014/2015 at The Experimental Farm and laboratories of the Agricultural Botany Department, Faculty of Agriculture, Mansoura University to study the effects of yeast extract either at 0, 4 or 8 gL-1 on key primary and secondary metabolites of Catharanthusroseus, cultivars cv. rosea and cv. alba. Results indicated that total alkaloids, total soluble phenols and flavonoids were significantly higher in cvrosea compared with cvalba. Applicationof yeast extract (YE), generally, enhanced the accumulation of alkaloids, phenols and flavonoids. In addition, treatment with YE increased the concentration of kinetin, indole acetic acid, gibberellic acid and benzyladenine whereas decreased that of abscisic acid. Moreover, the concentration of the essential elements N, P, K, Ca and Mg were higher in YE-treated plants, and, the effect of the higher level was more effetine. It was concluded that YE could be utilized as an elicitor to enhance the accumulation of the medicinally-important secondary metabolites in C. roseus plants.}, keywords = {}, url = {https://jpp.journals.ekb.eg/article_45363.html}, eprint = {https://jpp.journals.ekb.eg/article_45363_daf236c84c296ee2dd9901ad31b9b4b1.pdf} } @article { author = {Ahmed, Magda and Abdel-Fattah, Gehan and Shahin, S.}, title = {THE ROLE OF MAGNETIC IRON IN ENHANCING THE ABILITY OF Acalypha wilkesiana MÜLL. ARG. TRANSPLANTS TO TOLERATE SOIL SALINITY}, journal = {Journal of Plant Production}, volume = {7}, number = {3}, pages = {379-384}, year = {2016}, publisher = {Mansoura University, Faculty of Agriculture}, issn = {2090-3669}, eissn = {2090-374X}, doi = {10.21608/jpp.2016.45365}, abstract = {In order to enhance tolerance of Copper acalypha transplants (Acalypha wilkesiana Müll. Arg.) to soil salinity, this investigation was carried out under the full sun at the nursery of Hort. Res. Inst., ARC, Giza Egypt during 2013 and 2014 seasons, as 5-months-old transplants of this ornamental shrub were cultured in 30-cm-diameter plastic pots filled with about 6 kg/pot of sand + loam + cattle manure compost mixture (1: 1: 1, v/v/v), salinized with an equal parts mixture of NaCl and CaCl2 pure salts (1:1, w/w) at the rats of 0, 2000, 4000 and 6000 ppm. Magnetic iron (Fe3O4)  was applied as soil drench at the rates of 0, 3 and 6 g/pot, 4 times with 2 months interval. The effect of interaction between salinity and Fe3O4 treatments was also studied. The obtained results have shown that means of vegetative and root growth traits were descendingly decreased, with few exceptions as the rate of salinity was increased to reach the minimal values compared to control in the two seasons by the highest salinity level, while they were progressively increased with increasing Fe3O4 rate to reach the maximal values over control in the two seasons by the rate of 6 g/pot. Indeed, 3 g/pot Fe3O4 treatment significantly raised the means of most vegetative and root growth measurements, but the upper hand was for the rate of 6 g/pot in both seasons. The effect of interaction treatments was fluctuated, but the best gains were attained in the two seasons by combining between planting in either unsalinized soil mixture or salinized one at 2000 ppm concentration and drenching with Fe3O4 at any level. The connecting between cultivating in 4000 ppm-salinized soil mixture and treating with 6 g Fe3O4/pot significantly improved some growth characters. In general, increasing the rate of Fe3O4 caused an additional improvement in most growth parameters (plant height, stem diameter, No. of leaves/plant, root length and aerial parts and roots fresh and dry weights) regardless of salinity level. The leaf content of chlorophyll a, b, carotenoids, N, P and K was gradually decreased with increasing salinity level, but was progressively increased as the rate of Fe3O4 was increased. The content of Na, Cl and free proline was linearly increased with elevating salinity concentration. On the other side, Na content was descendingly diminished, but that of Cl and proline was gradually increased with increasing Fe3O4 dose. The effect of interaction treatments on chlorophyll a and b, N, P and K content was greatly similar to their effect on growth parameters, but the opposite was the right regarding the content of Na, Cl and proline. Hence, it can be recommended to apply magnetic iron at the rate of 6 g/pot, 4 times with 2 months interval to the salinized soil mixture in which Copper-leaf transplants is grown to improve their tolerance to salinity stress up to 6000 ppm concentration.   }, keywords = {Jacob`s coat,Copper-leaf plant,Acalypha wilkesiana,Soil salinity,Magnetic iron,Vegetative and root growth}, url = {https://jpp.journals.ekb.eg/article_45365.html}, eprint = {https://jpp.journals.ekb.eg/article_45365_3e95aa587ca569d9d1bfd4852107eea9.pdf} }