Reduce the Harmful Effect of High Temperature to Improve the Productivity of Tomato under Conditions of Newly Reclaimed Land
text
article
2014
eng
THE GROWTH and productivity of tomato (Solanum lycopersicon L. Alissa F1 hybrid) is affected by environmental factors and agronomical techniques. There were seven treatments used to minimize the injury of high temperature during the summer season, i.e: two shade net treatments (black or green), two spray treatments i.e. Purshade or sea algae (Robin Pro), two intercropping treatments (maize or sunflower) in comparison with the control (without any treatment). Tomato was cultivated during two studies season in the ‘Amoun Agricultural Society, Eltal El Kabier, Cairo- Ismailia Desert Road, Ismailia Governorate, Egypt during late summer seasons of 2012 and 2013. This study investigated the effect of different techniques of protected cultivation against unfavorable condition of high temperature on the growth and production of tomato in terms of air temperature, relative humidity and light intensity. Plant growth was evaluated over the two seasons. All physical protected cultivation treatments (cover net or intercropping) decreased light intensity, maximum temperatures and increased relative humidity compared with open field conditions without protection treatment. The black cover net was the most effective method to decrease the air temperature by from 2 to 3°C followed by green net (about 2°C), the intercropping was less effective to decrease temperature (1°C). Green and black net produced the highest significant plant height, number of branches, fresh and dry weight per plant. Moreover, green and black net shortest period from transplanting to flowering comparing to the other treatments, i.e. intercropping with maize and sunflower as well as the control treatments. The earliest and the highest tomato total yield were obtained by using the green net cover followed by black net cover while the latest and the lowest total yield was obtained under control treatment (un shaded). Moreover, the higher fruit length, fruit diameter, fruit wall thickness and number of locules associated with the use of the green net in comparison with other protected cultivation treatments as well as the control during the two seasons. There were no significant among the treatments in fruit color and juice acidity during the two seasons.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
151
167
https://ejoh.journals.ekb.eg/article_1360_5ff79826117748c132441c7a055d6111.pdf
dx.doi.org/10.21608/ejoh.2014.1360
Effect of calcium Nitrate and Gibberellic Acid Foliar Sprays on Fruiting and Fruit Quality of “Manzanillo” and “Dolce” Olive Cvs.
text
article
2014
eng
THIS WORK was implemented to study the impact of foliar applications of calcium nitrate at 3% provided with (Gibberellic acid) at 10 ppm and 20 ppm at full bloom (mid-April), at fruit set stage (mid-May) and at pit hardening stage on ‘Manzanillo’ and ‘Dolce’ olive cvs during 2012 and 2013 seasons. This experiment was carried out at an olive private farm (9 years old) at Cairo Alexandria desert road (90 kilometer). The olive trees were planted at 4 x 6 m and irrigated using drip irrigation system. In olives, yield together with fruit quality determinations crop value and farmer profits. Yield depends on the number of fruits cropped per tree and their average weight fruit and flesh weight and oil content are the most important determents of on-tree fruit quality. Calcium play significant roles in fruit set, fruit growth and maturation. Calcium nitrate at 3 % plus GA3 at 10 and 20 ppm were applied as foliar sprays in three stages, mid April, mid May and during pit hardening. All, treatments have significantly reduced percentage of fruit drop and increased yield (kg/tree). Fruit yield had pronounced increases over the control with mid May treatment to score 47.5 and 57.6 % in the first season, 54.5 and 70.9 % in the second one, respectively. Best results were brought about when calcium nitrate at 3 % plus GA3 at 10 and 20 ppm were applied in mid May followed by treatments during pit hardening and mid April, respectively. Such treatments have also had significant impacts on fruit, seed and flesh weight.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
169
182
https://ejoh.journals.ekb.eg/article_1362_7e18545c1915d9ee409a05b1f6d7311d.pdf
dx.doi.org/10.21608/ejoh.2014.1362
Increasing Nitrogen Efficiency by Humic Acid Soil Application to Squash Plants (Cucurbita pepo L.) Grown in Newly Reclaimed Saline Soil
text
article
2014
eng
TWO FILED seasons were conducted during the summer seasons of 2010 and 2011 in the Experimental Farm at Demo, Faculty of Agriculture, Fayoum University, to increase nitrogen efficiency (ammonium nitrate 33.5% N, 150, 200, 250 and 300 kg fed-1) under three concentrations of humic acid as water solution 0.5, 1.0 and 1.5gL-1, in addition to the untreated as control to squash plants (Cucurbita pepo L.) (cv. Amjjed hybrid) grown in newly reclaimed saline soil..
In comparison with control, all other rates significantly increased vegetative growth plant characters (
i.e. number of leaves plant-1, stem length, total leaf area plant-1, leaf area leaf-1 and also, leaves, stem and canopy dry weight plant-1) as well as fruit yield and its components (i.e. number of fruits plant-1, yield plant-1 and total yield of fruits fed-1) except average of fruit weight. In addition, the concentrations of N, P and K % in leaves were increased, and Na and Cl were decreased. The same results were obtained with all nitrogen fertilizer rates, 200, 250 and 300 kg ammonium nitrate fed-1 as compared to the 150 kg fed-1 with some exceptions, P% was not affected and K% was decreased with increasing the rate of nitrogen.
In view of the above mentioned results, it has been concluded that the efficiency of nitrogen fertilization increased with soil application of humic acid reflected on the growth and chemical composition and yield of squash (cv. Amjjed hybrid), and was the best treatment: the water solution of humic acid (1.5gL
-1), with nitrogen fertilizer (250 kg) ammonium nitrate fed-1 where given a significant increase of total squash fruits yield fed-1 grown in newly reclaimed saline soil.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
183
208
https://ejoh.journals.ekb.eg/article_1363_4eb041c5d6bbd3d6fd4a4d3b79921172.pdf
dx.doi.org/10.21608/ejoh.2014.1363
Enhancement of Cumin (Cuminum cyminum L.) Productivity Using Some Natural Plant Extracts
text
article
2014
eng
IN THE present study, the effect of garlic (Allium sativum) and …. onion (Allium cepa) essential oils and water extracts at three concentrations (5, 10 and 15%) on yield and chemical composition of cumin (Cuminum cyminum L.) were investigated. All treatments improved growth parameters (plant height, shoot number and number of umbels /plant) and total seed yield with no effect on the chemical composition of cumin essential oil. Onion water extracts gave the highest total seed yield. Garlic water extracts gave the highest values of total carbohydrate, total protein and total free amino acids. The chemical composition of essential oils extracted from garlic cloves and onion bulbs were fractionated by GC/MS. Major compounds in garlic were allicin and diallyl disulfide followed by dimethyl-trisulfide while in onion were allium thiosulfinate, alkyl thiosulfnates and allyl propyl disulphide.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
209
219
https://ejoh.journals.ekb.eg/article_1364_c1867b0aa5e37ddef011d6c291d7fafb.pdf
dx.doi.org/10.21608/ejoh.2014.1364
Use of Some Essential Oils and Plant Extracts as Ga3 Alternatives on Globe Artichoke Flower Heads Earliness and Productivity.
text
article
2014
eng
THIS STUDY was conducted during two seasons of 2012/2013 and ….. 2013/2014 at Vegetables Research Farm in Kaha, Qualiobia Governorate, Horticulture Research Institute, Agriculture Research Centre to study the effect of some essential oils (citronella and lemon grass) and plant extracts of (aloe and garlic) compared to GA3 on vegetative growth, earliness, yield and its quality of globe artichoke cv. Hyriouswas. Planting dates was on September 1st in both seasons. The essential oils of citronella grass and lemon grass, plant extracts of aloe and garlic, GA3 at 25 ppm and the control were sprayed in different concentrations two times in each season after 60 and 75 day from planting.
Results revealed considerable improvements in earliness, the early yield as well as head length (cm), head diameter (cm), edible part fresh weight (g) and edible part dry weight (g) by the tested materials. Spraying with aloe extract 50 ml/l or citronella grass oil 0.5 ml/l gave the best results in this concern.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
221
237
https://ejoh.journals.ekb.eg/article_1365_66eb7e28bbdf3ba8a1350f16c202f879.pdf
dx.doi.org/10.21608/ejoh.2014.1365
Evaluation of Some New Navel Orange Cultivars Budded on Sour Orange and Volkamer Lemon Rootstocks
text
article
2014
eng
AFIELD EXPERIMENT was carried out in a private orchard at ….. Wady El-Mollak, El-Sharqia Governorate, Egypt during two successive seasons (2012 and 2013) to evaluate flowering, fruit set, fruit drop, yield, fruit quality, mineral and total carbohydrates content of some newly introduced Navel orange cultivars (New Hall, Navelina, Navelate, Lane Late, Cara Cara, Spring, Fisher, Parent, Fukumoto and Leng). These cultivars were grafted on two commercial rootstocks “Sour orange” (Citrus aurantium L.) and “Volkamer lemon” (Citrus Volkameriana L.). The present experiment comprises ten scions and two rootstocks. The experiment was laid out in factorial experiment in a randomized complete block design.
Results showed that, the effect of cultivars namely, Navelate, Lane Late, New Hall and Navelina gave the highest values of fruit set and the lowest values of fruit drop. Whereas, New Hall gave the highest values of fruit weight and yield/tree followed by Navelina and Lane Late but New Hall gave large fruit size which not accepted in export and local market. Meanwhile, New Hall and Navelina cultivars gave the highest values of TSS, TSS/acid ratio and the lowest values of acidity. On the other hand,
“Cara Cara” “Spring” and “Leng” gave significant lower values of N content than other Navel orange cultivar. Navelate and Lane Late gave the highest values of P, K and Ca. Regarding the effect of rootstocks, Volkamer Lemon rootstock gave the significant highest values of flowering, fruit set, fruit drop, yield parameters, peel thickness, macro and micronutrients content (N, P, K, Ca, Mg, Fe, Zn, and Mn) as compared with sour orange rootstock. On the other hand, Sour orange gave the significant highest values of juice volume, TSS, TSS/acid ratio. Volkamer Lemon gave lower values of total carbohydrates consequently gave lower values of C/N ratio than Sour orange rootstock. Regarding the combination between cultivars and rootstocks, Lane Late and New Hall cultivars on Volkamer Lemon gave the highest values of flowering, fruit set percentages and lower values of fruit drop as compared with other combinations. New Hall budded on both rootstocks gave the highest values of yield followed by Lane Late on Volkamer Lemon. The highest values of TSS, TSS/acid ratio were obtained when New Hall and Navelina budded on sour orange followed closely by the same cultivars on Volkamer Lemon rootstock and the trend was reversed for acidity. The highest values of N, P, Ca, Mg, Fe and Mn were obtained
when Lane Late budded on Volkamer Lemon rootstock. All Navel orange cultivars budded on Volkamer Lemon rootstock gave lower C/N ratio than budded on Sour orange rootstock. In spite of Volkamer Lemon rootstock gave higher values of yield/tree than sour orange but with low fruit quality especially for peel thickness, TSS and TSS/acid ratio. Finally it could be concluded that, New Hall gave the highest values of fruit weight and yield/tree followed by Navelina and Lane Late but New Hall especially on Volkamer Lemon gave large fruit size which not accepted in export and local market. So, it could be recommended by budded Navelina and Lane Late cultivars on Sour orange rootstock for suitable yield with high fruit quality.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
239
262
https://ejoh.journals.ekb.eg/article_1368_579040faf6dde60372eed9f49d9e7438.pdf
dx.doi.org/10.21608/ejoh.2014.1368
Effect of Bagging Type on Reducing Pomegranate Fruit Disorders and Quality Improvement
text
article
2014
eng
THE PRESENT investigation was carried out in a private farm …..located at Alexandria desert road, El-Behira Governorate, Egypt to study the effect of bagging type on reducing pomegranate fruit disorders and improving fruit quality during 2011 and 2012 seasons. The bagging treatments were, brown paper bag, white paper bag, prgmen bag, agrail white bag, agrail red bag, agrail blue bag and plastic bag. The treatments started at 21 days after fruit set and sustained till harvest time. The obtained results showed that, bagging fruits with prgmen bag increased fruit length, fruit diameter, grain weight percentage, fruit weight (g), yield/tree (kg), TSS %, total soluble sugars, vitamin C content and total anthocyanin content in fruit juice. While, the percentage of cracked fruits, sunburn fruits /tree and fruit mechanical damage were reduced as compared to the other treatments. On the other hand, bagged fruits with plastic bags increased peel weight percentage and total acidity percentage. Moreover, bagging with agrail blue bag had a significant effect on increasing values of lightness (L) .While, bagging with prgmen bag had a significant effect on higher values of lightness (L) and redness (a) compared to the other treatments. Generally, it can be recommended from this study that, bagging pomegranate fruits with prgmen bags was the best in reducing fruit disorders with improving fruit quality as well as increasing the net profit for farmer.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
263
278
https://ejoh.journals.ekb.eg/article_1369_0bd518b4299dd941d905a346e0b99cc5.pdf
dx.doi.org/10.21608/ejoh.2014.1369
Use of Some Essential Oils as Natural Fungicides for Alternaria Radicina Controlling and Improving Anise (Pimpenella anisum L.) productivity.
text
article
2014
eng
THE ALTERNARIA leaf spot fungus cause a serious problem for …….anise (Pimpenella anisum) cultivation in Egypt. The aim of this study was to examine the possibility of using some essential oils as alternatives to synthetic fungicides inhibiting Alternaria radicina growth. The effect of those essential oils (EOs) on growth and productivity of anise was also investigated in two successive seasons of 2010/2011& 2011/2012. In vitro experiments were carried out using six essential oils of thyme, caraway, clove, mint, rosemary and lemongrass with three concentrations of 1, 5 and 10 μl ml-1. Complete inhibition of growth of the pathogen was obtained by lemongrass oil at 5μl ml-1 .Oils of thyme and caraway were inhibitory at relatively higher concentrations (10μl ml-1). Oils of lemongrass, caraway and thyme, gave pronounced protection of anise plants against invasion of leaf spot pathogen. The maximum reduction of disease incidence (DI) and severity (DS) of leaf spot along the growth period in both growing seasons was observed by lemongrass at both concentrations (5 and 10 μl ml-1), and by caraway and thymes oils at 10 μl ml-1 concentrations.
Vegetative growth of anise
i.e. plant height, number of branches and number of leaves/plant and yield components i.e. fruits and essential oil yield were responded positively to different essential oils application. Significant increases in the photosynthetic pigments of anise leaves were determined as a result of different essential oils application. Lemongrass essential oil at 10 μl ml-1 increased seed yield per plant with 77.38 % over control plants followed by, thyme oil at 10 μl ml-1 reordering 66.85 % increment (average of two seasons) while, caraway oil at 10 μl ml-1 ranked thirdly. The maximum reduction of disease incidence and severity of leaf spot along the growth period was observed by lemongrass at both concentrations (5 and 10 μl ml-1) followed by caraway and thymes oils.
This study has demonstrated that the EOs are promising antifungal agents, which could be used widely as natural fungicides in the protection of anise against
Alternaria radicina and improving plant growth and productivity.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
279
297
https://ejoh.journals.ekb.eg/article_1370_4a625a1bb4bf23bc5776dc7302902f59.pdf
dx.doi.org/10.21608/ejoh.2014.1370
Effect of Vegetative Shoot Thinning on Growth, Yield and Bunch Quality of Black Monukka and Red Globe Grape Cultivars
text
article
2014
eng
THIS INVESTIGATION was conducted for two successive …….seasons (2010 & 2011) in a private vineyard located at 58 Km of Cairo-Alexandria desert road to study the possibility of improving vegetative growth, yield and bunch quality through the application of shoot thinning on Black Monukka and Red Globe grapevines. The vines were ten-year-old, grown in a sandy loam soil, spaced at 2 X 3 meters apart, irrigated by the drip irrigation system, cane-pruned (6 canes X 12 buds/cane) and trellised by Spanish Parron system. Four treatments were applied before the beginning of bloom as follows, control (untreated vines), removal of four main vegetative shoots, removal of eight main vegetative shoots and removal of twelve main vegetative shoots.
The obtained result showed that all treatments were effective in increasing the number of bunches/vine, average bunch weight and yield. Removal of twelve main vegetative shoots of Black Monukka grapevines and removal of eight main vegetative shoots of Red Globe grapevines improved the physical characteristics of the bunches, physical and chemical properties of berries, morphological characteristics of vegetative growth, leaf content of total chlorophyll and cane content of total carbohydrates as compared with the control.
The microclimate study indicated that removal of twelve main vegetative shoots of Black Monukka and Red Globe grapevines resulted in the highest values of air temperature and light intensity as compared to the untreated vines (control).
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
299
311
https://ejoh.journals.ekb.eg/article_1371_a43dd3f2cb357801e75f8bd522e45b7c.pdf
dx.doi.org/10.21608/ejoh.2014.1371
USE of Some Essential Oils as Safe Alternatives to Conserve Peach Fruits Quality During Shelf Life
text
article
2014
eng
THIS STUDY aimed to evaluate the potential application of ……...essential oils of celery, cinnamon and coriander to determine the antifungal effects of the essential oils against grey mould disease of peach fruits and control postharvest decay under shelf conditions. Three concentrations (600, 800 and 1000 ppm) of the tested essential oils were applied. Chemical composition of the essential oils were identified by GC-MS. Results showed that all of these essential oils application significantly decreased weight loss and decay percentage and increased fruit shelf –life. Also, essential oils, positively, affected postharvest quality factors including total soluble solids, titratable acidity, total soluble sugars and total soluble pectin. It was observed that celery essential oil gave the best effect on the treated fruits followed in a descending order by cinnamon then coriander compared to control.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
313
324
https://ejoh.journals.ekb.eg/article_1372_7d1168ccc5b16ece05a2dae04592d971.pdf
dx.doi.org/10.21608/ejoh.2014.1372
Effect of Some Horticultural Methods and Gibberellic Acid Spray on Yield, Fruit Quality and Storage Ability of "Costata" Persimmon Cultivar
text
article
2014
eng
THIS INVESTIGATION was conducted during two successive ……. seasons (2012 and 2013) on 22 years old "Costata" persimmon trees budded on “Lotus” rootstock grown on clay loam soil and irrigated with surface irrigation at Kalubeia Governorate, Egypt. The aim of this study was to evaluate the effect of some horticultural practices or GA3 spray on fruit set, fruit drop percentage and yield (kg/tree). Also, N, P, K, Ca, carbohydrates leaf content and fruit quality parameters were determined. In addition fruit storability and fruit quality characters during cold storage for 6 weeks at 5oC and RH 90-95% were studied. Results showed that girdling trees or GA3 spray at full bloom was more effective in reducing fruit drop, increasing yield, leaf nutrient status, also, to prolong cold storage period and maintained the good quality of fruits.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
325
345
https://ejoh.journals.ekb.eg/article_1373_efb65e5e0d096a79e956347b94173616.pdf
dx.doi.org/10.21608/ejoh.2014.1373
Response of Some Citrus Rootstock Seedlings to Stimulating Growth Applications
text
article
2014
eng
THE PRESENT study was conducted under screen-house in the ……. nursery of Horticulture Res. Inst., Giza, Egypt on Sour orange (Citrus aurantium L.) and Volkamer lemon (Citrus volkameriana) rootstock seedlings during the growing seasons of 2011 and 2012. The study aimed to the assess the influence of using phosphorus, active dry yeast, algae(diatoms) and their combinations on growth and leaf mineral contents " N, P and K" of the studied rootstocks. The obtained results showed an enhancement effect on both rootstocks performance. Moreover, seedlings treated with either active dry yeast, algae or phosphorus and remarkably their combinations showed significant augmentations of growth parameters i.e., stem length, stem thickness, leaf area, dry weight of leaves and roots. Leaves nitrogen, phosphorus and potassium content increased significantly with such applications.
Therefore, it is recommended to use the combination between active dry yeast, algae and phosphorus to improve seedlings vegetative characteristics and shorten the time seedling needs to attain grafting size.
Egyptian Journal of Horticulture
National Information and Documentation Center (NIDOC), Academy of Scientific Research and Technology (ASRT)
1110-0206
41
v.
2
no.
2014
347
363
https://ejoh.journals.ekb.eg/article_1374_5cc21c8e3482202ba1337c9809ba6427.pdf
dx.doi.org/10.21608/ejoh.2014.1374