ORIGINAL_ARTICLE
Propagation of Okinawa Peach Rootstock Using Semi Hard-Wood Cutting
THE investigation was conducted during the two successive seasons (2011 & 2012) on semi hard-wood cuttings from 6 years old Okinawa peach rootstock trees grown in a private orchard at El-Monofia governorate. Cuttings were collected at ten dates each two weeks started from first October till mid February. Cuttings were dipped for 5 seconds in 1000 or 2000 ppm indole butric acid (IBA) in addition to untreated cuttings (control).
Results showed that timing of the IBA treatments of cuttings had significantly affected on roots number and length and number of leaves of Okinawa peach cuttings in both seasons. It was found that IBA dipping at 15-November recorded the highest values of root length followed in a descending order by cuttings dipping at 1-November, whereas, the lowest values were obtained from dipping of cuttings at 15-February in both seasons. As for the concentration of IBA, it was found that dipping of cuttings with 2000 ppm IBA significantly recorded the highest number and length of roots and number of leaves followed, in a descending order, by dipping of cuttings with 1000 ppm whereas, the lowest values were obtained from untreated cuttings in the both seasons. A significant interaction was observed between timing of the IBA dipping of cuttings and concentration of IBA, the results show that dipping of cuttings with 2000 ppm IBA at 15-November recorded the highest values of on number and length of roots and number of leaves, whereas, the lowest values were obtained from the control at 15-February in both seasons.
https://ejoh.journals.ekb.eg/article_1351_f8eafdeba9e313d7355891bb5f693599.pdf
2014-06-30
1
14
10.21608/ejoh.2014.1351
ORIGINAL_ARTICLE
Effect of Different Irrigation Treatments on Growth and Development of Schefflera arboricola, (Hayata) Kanehira
THIS study was carried out at the Ornamental Plant Research Department, Horticulture Research Institute, Agriculture Research Centre, Giza, Egypt in March of two seasons, 2011-2012 and 2012-2013. Three locations i.e. the nursery, the black saran house and the office and 4 amounts of water (300, 450, 600 and 750 cm3/pot/week) for irrigating, Schefflera arboricola, plants were compared. The following results were obtained:
Plants grown in the nursery ranked the first among other treatments for the following characters; plant height, root length, root fresh and dry weights, leaf and stem contents of total carbohydrates, leaf contents of total chlorophyll and carotenoids. Plants grown in the saran house resulted in high values of plant height, number of branches, number of leaves, shoot fresh and dry weights. On the other hand, plants kept in the office for ornamentation scored the lowest values of all studied characteristics.
Plants received 300 cm
3/pot/week for irrigation achieved the highest rank concerning root length. Irrigating plants with 450 cm3/pot/week resulted in the highest values concerning plant height, number of branches, number of leaves, shoot fresh and dry weights, root length, content of total carbohydrates in leaves and stem. Irrigation with 600 cm3/pot/week gained the highest category for characters of plant height, shoot fresh and dry weights, root length, root dry weight and leaf content of total carbohydrates. Plants that obtained the lowest values in all characteristics were committed with those irrigated with 750 cm3/pot/week.
The best watering amounts to be used in each location in order to attain the best ornamental characters, could be deduced from the interaction of the two previous factors as follows: The highest values of plant height, number of branches, number of leaves, shoot fresh and dry weights were achieved when 600, 450 or 300 cm
3/pot/week were used to irrigate plants in the nursery, the saran house and the office, respectively. On the other side, using 750 cm3/pot/week for watering resulted in the lowest values of number of branches, number of leaves, shoot fresh and dry weights for plants in the three locations, in addition to plant height for plants grown in the saran house or kept in the office.
It is recommended to grow
Schefflera arboricola plants in the nursery rather than the saran house for production purposes, and to use
https://ejoh.journals.ekb.eg/article_1352_51fc3dfc4c77c89910a2e4f83def0574.pdf
2014-06-30
15
42
10.21608/ejoh.2014.1352
ORIGINAL_ARTICLE
Horticulture Evaluation and Genetic Identification of Selected Le-Conte Pear Clone
ASELECTED clone of Le- Conte pear was evaluated in ……comparison to Le-Conte old cultivar. Flowering of the selected clone was earlier by 7- 10 days. Maturity was 25-30 days earlier than the old cultivar. Whereas it produced fruits fewer than the old cultivar Le-Conte under the same conditions. No significant differences were observed between the new clone and the old cultivar within the vegetative growth . However, fruit physical prosperities increased significantly in the selected clone compared to the old cultivar. Chemically, the selected clone revealed a higher ratio of T.S.S / acidity than in Le-Conte cultivar. The same trend was noticed within total and reducing sugars. Yield was higher in the old cultivar than in the selected clone.
Screening of DNA by RAPD marker showed a total number of 74 amplicons with an average of 7-4 amplicon/ primer when ten primers were used. The highest number of polymorphic amplicon (2) produced by OPA17.The size of fragment varied from 280-1790 bp. Two negative unique markers were detected with the selected clone by OPA 17. These markers were located at 550 bp and150 bp. Meanwhile, OPG 06 revealed an unique positive marker at 450 bp.The estimated similarity between the selected clone and the old cultivar was 95.3.
https://ejoh.journals.ekb.eg/article_1353_53d5a3a63cc5f09a6cd28e84ac0e56a3.pdf
2014-06-30
43
58
10.21608/ejoh.2014.1353
ORIGINAL_ARTICLE
Morphological, Agronomical and Genetic Characterization of Egyptian Olive Clones Compared with the International Cultivars
EGYPTIAN olive clones 'Sewia', 'Maraki' and 'E52' were ……compared with two international cultivars 'Coratina' and 'Koroneiki' during two seasons (2011 and 2012) at olive collection farm located at Cairo- Alexandria desert Road . Results showed that, time of flowering varied according to cultivars and season. 'Coratina', 'Maraki' and 'Sewia' were earlier than 'Koroneiki', but it was late for E52. 'Coratina' had longer inflorescence (>3.5 cm) than the other cultivars which were medium (2.5-3.5 cm). The highest number of flowers per inflorescence (> 25) was recorded for 'Maraki' and the lowest number (<18) was recorded for 'Koroneiki'. Perfect flower percentage varied according to cultivars and to climate. It was the highest in 'Coratina' (>90%) and the lowest in 'Sewia' (75%). Fertility of pollen was highest in 'Sewia' and the lowest in 'E52'. All of the studied cultivars were self-incompatible. Under open pollination 'Coratina' produced the highest yield in the two seasons; 'E52' was alternate bearing cultivar. Fruit and stone weight were the lowest in 'Koroneiki', medium in 'E52', high in 'Coratina' and 'Maraki', and very high in 'Sewia'. Fruit shape was elongated in 'Koroneiki', 'ovoid-elongated' in 'E52' and 'Coratina', and ovoid in 'Sewia'. Stone shape was elongated in 'Koroneiki', 'E52' and 'Coratina'; oviod in 'Maraki' and 'elliptic' in 'Sewia'. Oil content (%) was the highest in 'Maraki' and 'E52', followed by 'Coratina', 'Sewia' then 'Koroneiki' in decreasing order. Based on the quality parameters of the oil (acid value, peroxide value, UV absorption at 232 and 270 nm, polyphenols and tocopherol) provided that it ranked extra virgin. The ratio of total unsaturated to saturated fatty acids was the highest in 'Maraki', followed by 'Sewia' then 'Coratina', but the lowest ratio was found in 'E52' and 'Koroneiki'. Based on RAPD and ISSR-PCR genetic markers, the genetic similarity was between 'Sweia' and 'Maraki' and the least between 'Coratina' and 'Koroneiki'.
https://ejoh.journals.ekb.eg/article_1354_543025de16d5fa13e062fb1b349ef38f.pdf
2014-06-30
59
82
10.21608/ejoh.2014.1354
olive
Characterization
Sewia
'Maraki'
E52
Coratina
Koroneiki
ORIGINAL_ARTICLE
Studies on Improving Fruit Yield and Quality of Peach CV. "Early sweeling"
THE present study was undertaken during two successive seasons of 2011 and 2012 to study the effect of Ca(NO 3)2, K-silicate and CPPU at different concentrations either alone or in combinations on some fruit parameters, fruit characteristics and leaf nutrient content of peach tree cv. "Early sweeling" grown under El-Khatatba region condition, Minufiya governorate.The obtained results revealed that most treatments under study significantly increased both yield measurements kg/tree and (ton/fed.) as well as the other parameter (yield increment % in relation to the control) in the two seasons of study. Moreover, results indicated that, both the most of physical fruit characteristics (fruit weight, size, dimensions, and firmness) and chemical fruit characteristics such as (TSS %, total acidity % and total sugar %) were significantly improved as compared to the control. Additionally, leaf mineral content (N, P, K and Ca) was improved in some spraying treatments. It could be concluded that some of studied treatments resulted in a positive and significant effect on majority of investigated parameter and characteristics. Since, the treatment of Ca(NO 3)2 at rate (20 cm3/tree) after cytofex at 10 mg/l sprayed was the best and most effective treatment in this concern during both seasons of study.
https://ejoh.journals.ekb.eg/article_1355_59cbc954eaff662845cca57c4a22a6a9.pdf
2014-06-30
83
95
10.21608/ejoh.2014.1355
ORIGINAL_ARTICLE
Evaluation and Selection of Some Date Palm Seedlings (Phoenix dactylifera L.) Growing under Sohag Region Conditions.
THIS STUDY was conducted to evaluate ten seedlings of Date ……palm (R) (Phoenix dactylifera L.) to select the highest yield and fruit quality of the unknown semi-dry seedlings trees growing under the conditions of Sohag region, Egypt, in comparison with the commercial cv. Seewy during two successive seasons (2011 and 2012). Data of yield per palm (kg) as well as physical and chemical properties of fruit were recorded. The results revealed that; Highest yield was obtained from R3 (127.55 kg/palm) in comparison with other tested, as well as Seewy cv. which produced lowest yield (101.11 kg/palm). Concerning physical properties, R3 showed that the highest values of physical properties fruit diameter 2.83cm, fruit length 5.06cm, pulp thickness 0.92cm, fruit weight 19.44g., Seed weight 1.59g., pulp weight 85.31% in comparison with other tested and Seewy cv. was 2.07, 4.45, 0.81, 17.19, 1.58, 78.86 respectively. As for chemical properties, R3 developed the highest values of T.S.S 41.62%, total acidity 1.52%, total sugars content 83.67%, reducing sugars content 44.05%, non-Reducing sugars content 39.62%. the seedlings (R3) had lower tannins content 1.74%, while the highest tannins percentage was recorded for R5, 6, 7 was 1.86% in comparison with other tested palms as well as Seewy cv. T.S.S 39.64%, total acidity 1.58%, total sugar content 71.96%, reducing sugars content 37.00%, non-Reducing sugars content 30.16%, tannins 1.82% respectively.
General evaluation revealed that R
3 date palm seedlings provide to be the superior in yield and fruit quality among all the studied trees.
https://ejoh.journals.ekb.eg/article_1356_02d943d57c1b87df8577a951f2aa7e95.pdf
2014-06-30
97
107
10.21608/ejoh.2014.1356
Evaluation
Date palm seedlings
yield
fruit quality
ORIGINAL_ARTICLE
Effect of Foliar Spraying by Some Natural Extracts for Improving Snap Bean Production
TWO FIELD experiments were carried out during two summer ……season of 2012 and 2013 at the experimental farm of Kaha Station, Qalubia Governorate, to study the influence of foliar nutrition with some natural stimulants on snap bean plants c.v Poulista using ratios of compost tea 1:10, 1:20 and 1:30 (compost: water), licorice extract, yeast extract stimufol compound as well as hammer compound (seaweed extract) and water as a control. The results indicated that spraying with licorice extract had the highest values on number of leaves/ plant, leaf area, fresh and dry/ plant weight and total pods yield, followed by spraying with compost tea at the ratio of (1:30) and yeast extract, respectively, while the treatment of spraying with water gave the lowest values. The best treatments concerning the fresh and dry pod weight were licorice extract and compost tea (1:20). There was no significant effect of all treatments on plant length, pod length or pod diameter, total leaf chlorophyll, N %, K % and protein % on pods during the two growing seasons. Concerning P % in pods its found that using compost tea (1:20) followed by licorice extract were the best treatments .While, licorice and yeast extracts resulted in the highest values of total sugars in both growing seasons, respectively. Generally, spraying bean plants with any of the experiment treatments, especially licorice extract, compost tea (1:30), yeast and compost tea (1:20), respectively encourage green pod yield with best quality.
https://ejoh.journals.ekb.eg/article_1357_013bd9928ba49a6b94c5f2e7dab5f20f.pdf
2014-06-30
109
119
10.21608/ejoh.2014.1357
ORIGINAL_ARTICLE
Effect of Mineral and Bio-N Fertilization on Growth, Fruits Yield and Chemical Constituents of Pumpkin (Cucurbita moschata Duchesne)
SIGNIFICANT positive influences of fertilization with ⅔ of the …...recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer (Azotobacter chroococcum + Azospirillium brasilense) were observed on growth traits, fruits yield and leaf N, P, K, NO3- and NO2– contents of pumpkin plants compared to fertilization with ⅔ of the recommended mineral-N dos+ inoculation once or twice with the same mixed bio-fertilizer. However, no statistical differences in the aforementioned parameters were noted between fertilization with ⅔ of the recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer and addition of whole recommended dose of mineral-N (control). The least significant mean values of leaf NO3- and NO2– content were attained at fertilization with ⅔ of the recommended mineral-N dose + inoculation three times with a mixed bio-fertilizer. Therefore, inoculation with a mixed bio-fertilizer three times can substitute partially of mineral-N fertilizer and contribute to safety food.
https://ejoh.journals.ekb.eg/article_1358_146314c36c6b88f0b811dbea1a749612.pdf
2014-06-30
121
131
10.21608/ejoh.2014.1358
bio-fertilization
Growth
nitrate
nitrite
yield
Quality
Pumpkin
ORIGINAL_ARTICLE
Evaluation of Some Introduced and Local Radish Varieties under Egyptian Conditions
THE PRESENT work was conducted at the experimental farm of ……the Vegetables Research Farm in Kaha, Governorate, Egypt in the two successive seasons of 2010/2011 and 2011/2012 to study the differences in growth and root characters, fixed oil production as well as its chemical compositions and molecular genetic identifications between some introduced and local radish varieties to be used in breeding programs. Seeds of radish local varieties, Inbred line selected, Ballady, Round-Red and Chinese radish varieties, Lingyu, Lingcui, Hongxiu, Fongguang and Guoguang were sown in a well prepared soil on October 15th in the two seasons. The results revealed that, Fongguang variety overpass of root length, root weight, seed yield/plant (g) and fixed oil yield (ml)/plant, meanwhile, Lingyu variety overpass of root diameter, seed yield/plant (g) and fixed oil yield (ml)/plant. Regarding the fixed oil constituents; the best variety which gave the highest value of palmitic acid was Inbred line selected variety while, oleic acid from Lingyu variety, the lowest value of Erucic acid (29.1 %) was obtained from Hongxiu variety. Genetic and chemical differences of eight individuals of Raphanus sativus L. were studied to determine whether molecular characters could be used as taxonomical markers and to examine the correlation between them. Only five primers simplified all DNA templates among 15 primers. Primers generated a total of 64 DNA fragments, (64%) were polymorphic. The number of polymorphic bands scored per primer ranged from 6 (primers OP-D05 and OP-P15) to 13 (primer OP-K12). The largest number of RAPD-PCR markers was scored for Lingyu and Fongguang genotypes (12 markers), while the lowest (4 markers) was scored for Hongxiu genotype. In the meantime, the largest number of RAPD-PCR variety-specific markers was generated by primer OP-K12 (5 markers), while the lowest number of RAPD-PCR specific markers (1marker) was generated by primer OP-D05.
https://ejoh.journals.ekb.eg/article_1359_793d8887f3fef92c74636cbed1e11fd1.pdf
2014-06-30
133
149
10.21608/ejoh.2014.1359