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ANATOMICAL AND CHEMICAL INVESTIGATIONS ON ASPARAGUS OFFICINALIS L. (ASPARAGACEAE)
2016
Harb, R. K. | El-Kobisy S. | Sally F. Desoukey
Although Asparagus (Asparagus officinalis L.) is chiefly known as a vegetable herb, little information about the botanical characteristics of such plant are available. Therefore, it is aimed in this study to bring light more information about the morphological, anatomical and some important chemical contents of vegetative and reproductive organs of the plant, throughout the consecutive stages of its entire life span under the local conditions. Seeds of Asparagus (cv. Mary Washington 500 W) were sown 2nd Feb. 2013. The field experiment was carried out at the Experimental and Research Station of Fac. of Agric., Cairo Univ., Giza, Egypt during the two successive growing seasons 2013 and 2014. Asparagus is a herbaceous, perennial plant that grows up to 1.5- 2 m height. The plant posses aerial stems (ferns) and much- branched feathery foliage. The leaves are triangular scales like, 3-7 mm in length. The cladodes (modified stems) arise in the axis of scale leaves . Cladodes are found in fascicles (3-6) on each node. The flowers are bell- shaped, greenish –white to yellowish, 4.5-6.5mm long, with 6- tepals,single or in clusters of 2-3. Anatomical studies were carried out for various organs of Asparagus plant including, apex of the aerial stem, visible internode below shoot apex, median portion of the aerial stem, the cladode , median portion of spear, scale - like leaf, rhizome, adventitious root. The major chemical metabolites contents of spear were determined.
Afficher plus [+] Moins [-]ESTAMAING PRICE AND EXPENDITURE ELASTICITIES FOR MAJOR FOODS IN EGYPT DURING THE PERIOD (1980-2014) USING THE LINEAR ALMOST IDEAL DEMAND SYSTEM
2016
Fayyad S.
The objective of this research is to estimate price (direct and cross) and expenditure elasticities for major food commodities in Egypt. The food commodities are divided into six sub-models depending on the homogeneity within each group of commodities and the data availability quantities consumed and the corresponding retail prices for each individual item. Some commodities are aggregated in groups such as other beans, other vegetables, fruits(1), fruits(2) and oils. The Linear Almost Ideal Demand System (LAIDS) model is applied in estimating a system of demand equations for each group of food commodities. To avoid the invalid inference and spurious regression problems that may be created by non-stationary data series, the Fully Modified Least Squares (FMLS) estimator is utilized. The demand parameters satisfy the Engel aggregation, cournot aggregation, homogeneity and symmetry conditions. The results indicate that expenditure elasticities of the majority of food commodities/groups are less than the unity except fot the fruits2 (1.110), indicating necessity effects. This can be also interpreted as following the increasing of consumptions of these commodities is strongly connected with increasing of all income levels. The results also show that the own price elasticities for food commodities/groups are inelastic. For fruits 2, its inelastic own price elasticity still indicates that it tends to be very sensitive to price changes. The relative high cross price elasticities in all sub-models illustrate the strong substitute or complementary effects of the price change of one commodity one quantities consumed from other commodities in the same sub-models. Therefore, structural implications from the estimated elasticities are important. The estimated own and cross price and expenditure elasticities must be analyzed during the economic reform for better understanding all economic changes affecting prices as well as consumption and expenditures.
Afficher plus [+] Moins [-]STUDY OF CONTAMINATION LEVEL OF OCHRATOXIN (A) IN IMPORED GRAINS WHEAT AND ITS PRODUCTS AT SOME LIBYAN FACTORIES
2016
Altaher Alzwei | Najah Elfeturi
This study was conducted to determine the present of Ochratoxin (A) (OTA) to the number of 50 samples of wheat grain from varieties of soft wheat (Tricticm astivum) and hard (T. durm), and its products from some Libyan Mills (from the north-west and south-east and north) by using a technique (IAC) immunoaffinity columns cleaning and HPLC-FD to detect, with an overall average rate of recovery of the samples of wheat and grain products and fungal isolates 86.59 ± 0.03% and 89.19 ± 0.01%, respectively. The results showed that 96% of the samples were positive for OTA, with the average concentration of OTA from different regions reached the highest concentration of 0.0928μg/kg for soft wheat. The average concentration of the OTA in the different areas that have been grain assembly resulted the highest concentration of 0.0918 μg kg-1 for soft wheat for the Western Region, followed by 0.0783 and 0.020 < μg kg-1 for the eastern and southern region respectively, while the average concentration of the OTA for hard wheat 0.0307 and 0.3316 μg kg-1 of eastern and western region respectively. However all the samples contain levels of OTA are below the limit recommended by Libyan Standards Specification and European Commission Regulation Standard. Results of statistical analysis also showed no significant differences of (P≤ 0.01) of the concentration of the for hard and soft types wheat between regions , and for soft wheat products between regions while there was significant differences between hard wheat products at level of (P≤ 0.01). The results showed that the overall average for the moisture content of the samples by region ranged between 10.6, 11.10% for soft wheat for the southern region and western region respectively, 9.54 and 10.08% for hard wheat to the western and eastern region respectively. Results also showed that the overall average for the moisture content of soft wheat products (flour) between different regions was (13.03, 11.78, 8.58%) to the north-east, north-west and south-west respectively. Hard wheat products did not exceed 13.33, 10.76% for the southern- west and north-east reigions of semolina and pasta respectively, while was within the limit to the Codex Alimentarius Commission. the results of the statistical analysis and the presence of highly significant for moisture content between types of soft wheat and hard within regions and this also applies to soft wheat and hard products between the regions at the level of (P≤ 0.01).
Afficher plus [+] Moins [-]MEASUREMENT AND ANALYSIS OF THE ECONOMIC EFFECTS OF PRICE POLICIES FOR FISH IN EGYPT
2016
Sanaa Gaber
Prices reflect the relative scarcity of resources in terms of planning is based under the free-market mechanisms for price and market signals as an essential mechanism in the allocation of resources and guidance system, Price is also working on consumer directed toward maximizing satisficing the resources available to them, which leads to maximizing the well-being of the community. The research problem is in direct government intervention in price policy, which may give rise to a variation in the local and indirect world prices lead to non-optimal utilization of the resources used in the production process, which affects the welfare of producers and consumers, as well as on government revenue and the outcome of the state foreign trade. research aims to identify the price differences between local and world prices resulting from price, The policies fish and by estimating the partial equilibrium model to examine the effect influence of the policies of government intervention at all stages of fish flow in the market, by measuring the efficiency of the product, the consumer, the community level, and measurement of well-being at the community level, as well as measurement of government revenues and this may help to measure the efficiency of these policies in achieving its objectives and examine the effects on producers, consumers and the overall economy. The results showed the following The average nominal protection for fish rate during the study period (1998-2013) amounted to 0.67 i.e. it is greater than zero, which means that the state supports the producers of fish by about at 67% in favor of the producers of fish on the expense of the consumer represented in the higher domestic price for the world price, The results indicate that the concern of the State on promoting fish producers to reduce the size of the gap and reduce the import of foreign currency into force. The study showed also that the expansion of fish production leads to increased foreign exchange earnings by reducing imports and reduce the food gap, where the maximum fish production reached amounted to 1372.0, 1454.4 during the years 2012.2013, respectively, while the maximum foreign exchange earnings reached a maximum in 2012, 2013 amounted to 27067.03. The results of the welfare check gains in producer excess as the average change in the product excess amounted to 3.1336 billion pounds, which reflects the impact of price policy applied, while under the negative values of consumer excess has been achieved loss in consumer surplus, bringing the average loss during the study period of about 5566.88 million pounds. Decline in consumer surplus was due to the local consumer bear the superiority of market forces and the presence of protectionist policy to support the product and taxing the consumer, leading to increased consumer spending as a result of the purchase of small quantities at high prices, leading to lower prices of consumer welfare.
Afficher plus [+] Moins [-]EFFECT OF BIOLOGICAL TREATMENTS TO IMPROVEMENT ON IN VITRO DIGESTIBILITY FOR RICE STRAW
2016
Ahmed D.
This study was conducted to investigate the effect of biological treatments to improvement on the in vitro digestibility disappearance for rice straw. The parameter used in this study includes; gas-production, IVDMD, IVMOD and pH value. The experiment was divided into seven treatments: 1st treatment: considered as control group was used 3g from straw only. 2nd treatment: Fibrolytic enzymes group 0.3g with 3g from straw. 3rd treatment: Fibrolytic enzymes group 0.4g with 3g from straw. 4th treatment: Saccharomyces cerevisie group 0.3g with 3g from straw. 5th treatment: Saccharomyces cerevisie group 0.4g with 3g from straw. 6thtreatment: The mix group between fibrolytic enzymes group 0.3g and Saccharomyces cerevisie group 0.3g with 3g from straw. 7thtreatment: The mix group between fibrolytic enzymes group 0.4g and Saccharomyces cerevisie group 0.4g with 3g from straw. The results showed a significant increase (P<0.05) of 6th group in gas production as compared with 3rd group at the beginning of the experiment. Also the 3rd group showed a significant increase (P<0.05) in gas production as compared with 5th group after 10 hrs. from the period of incubation. It has been observed that there was a significant increase (P <0.05) in the 3rd group in gas produced as compared with 4th and 5th group after 12 hrs from the period of incubation. The result also showed a significant effect (P <0.05) in the 2nd and 6th groups in the gas production as compared with 5th group after 24 hrs the period of incubation. It has been observed after 48 hrs the period of incubation, there was a significant effect (P<0.05) in gas produced in all treated groups as compared with 5th group. It has been noticed from the experiment that there was result a significant increase (P<0.05) in 5th, 6th groups of pH value as compared with 2nd and 4th groups. The results showed a significant effect (P<0.05) in the 3rd group in IVDMD as compared with 6th group, Similarly, there showed a significant effect (P<0.05) in the 1st, 3rd, 5th, 6th, 7th groups in the IVDMD as compared with 4th group. There was also a significant effect (P<0.05) in the 3rd in IVMOD value than that with 6th group. It has been shown that there was a significant effect (P <0.05) in the 6th group of IVMOD value as compared with 2nd, 4th and 7th groups. Finally it has observed that there was a significant effect (P <0.05) in the control group (1st), 5th and 7th groups in IVMOD value as compared with 4th group. It was concluded from this study that addition of fibrolytic enzymes and a combination of fibrolytic enzymes and saccharomyces cerevisie could improve digestibility of rice straw in vitro.
Afficher plus [+] Moins [-]AN ECONOMIC STUDY OF THE LOSS OF PRODUCTIVE AND MARKETING OF THE CROP OF TOMATOES IN NEW LAND
2016
Fawzia Saber | Hanan Ghaly
The agricultural sector is one of the most important national sectors of the economy as it provides food for humans, raw materials for the industrial sector, in addition to its contribution in Egyptian export. Facing the agricultural sector, losses of more than 16% of the total value of production, and aims of this research estimating were estimated as about tomatoes at the farm area. Nubaria level during the stages of production and marketing. The research used data of a sample of farms in Nubaria area in addition to secondary data from published and unpublished data as used by various government agencies of the Ministry of Agriculture as well as agricultural management centers in Nubaria area records, findings of the research were that average loss of production per acre during agricultural operations estimated was about 3.35, 2.7 tons of summer and winter tomatoes losses we are due to two main reasons, bad weather and bad of service operations, the responsibility of each was about 0.856, 2.50 tons per acre of summer tomato and about 0.478, 2.24 tons per acre of winter tomatoes crop, respectively, and losses bad operations service, resulted from of pest control, fertilization, and spacing intervals between plant, irrigation, poor performance of mechanical operations, the average waste of summer tomatoes were about 2.22 tons per feddan, representing about 7.5% of the average production per feddan amounting to 29.5 tons, has resulted in the losses during in marketing operations conducted by farmers , such as collection, packaging, transportation, sales in the wholesale markets, and the average loss amounted for winter tomatoes about 1.99 tons, representing about 7.05% of the average production per acre amounting to 28 tonnes, and this loss resulted to the same previous reasons, and reached the resulting loss the cost of the production losses incurred by the farmers sample to produce the quantity that has been lost for tomato summer 95.5 thousand pounds, tomatoes winter 49.9 thousand pounds, and amounted to a loss in the growers sample income due to the loss of about 76.7,160 thousand pounds for each of tomato summer tomatoes winter on respectively, and amounted to loss of irrigation water as a result of this loss of about 55.18, 24.62 thousand cubic meters for each of tomato summer tomatoes winter, respectively, and the most important recommendations concern operations Pest Control to limit the spread Tota Zisiluta worm which leads to high losses in tomato, work on the existence of centers marketing grouped close to reduce the period between harvesting and transportation, to develop the collection, packaging, transportation and choose a trained labor for harvesting methods. Key words: loss and water amount and economic estimation and cost.
Afficher plus [+] Moins [-]TEST THE EFFECT OF TEUCRIUM POLIUM L AND ZIZIPHUSSPINA CHRISTI (L) DESF LEAF EXTRACTS TO DISCOURAGE THE GROWTH OF SPECIES OF PLANT PATHOGEN
2016
Nuwara Mohamed | Fouzia Abdel Salam
This study was impact test effectively alcohol extract of plant leaves the El gada (Teucrium polium) and seder (Ziziphusspina Christi) on Fusarium oxysporum isolated from the roots of tomato plants infected with wilt,and Botrytis cinerea isolated from infected bulbs, grey rot, The test also included a plant pathogenic bacteria are Erwinia cartovora isolated from infected bulbs, soft rot bac- terium Pseudomonas sp, isolated from Cucumber leaves infected with bacterial wilt disease. The results showed that concentrations of leaf alcohol extract CEDR effective on fungus F. oxysporum, with lower average growth used Center-Qatar plants extract alcohol concentration 2% after 7 days of incubation and growth-Qatar amounted to 6.6 cm , and is not affected by alcohol extract of leaves of El gada . While B.cinerea mushroom growth is not affected by both seder and seder extracts. It also found that alcoholic extract of leaves of Seder dampening bacteria isolated Pseudomonas sp and E.cartovora, while never giving El gada alcohol extract no inhibition effect against bacteria tested.
Afficher plus [+] Moins [-]FORECASTING WHEAT CROP PRODUCTION IN THE DESERT GOVERNORATES
2016
Hanan Ghaly
Wheat is considered one of the main grain crop that human is depend in his diet all over the world. It is a strategic crop globally and locally in Egypt. The problem of the research refers to the gap between local wheat production and consumption. This gap forced the country to import wheat and thus represent a burden on the Egyptian balance of trade. It is the objective of the present paper is therefore to investigate ways to alleviate the deficit of wheat production and gap. The study assess wheat area, production and productivity during the period 1995-2013 particularly in the desert governorates. The study estimates wheat gap during the above period by about 67.14 million ton. Safe efficiency is therefore was put as 54.1%. Losses of wheat were put as about 1017 about 14.2% in the country as a whole. The study estimates that wheat production in Matrooh and New Valley governorate is expected to be about 173.56 and 277.8 thousand ton respectively. The study suggests that measures should be taken to decrease losses of wheat during harvesting and marketing. New storage facilities should be established. The study recommends that special concern should be given to wheat cultivation in desert governorate by encouraging former to grow wheat by covering good wheat price to encourage formers
Afficher plus [+] Moins [-]INFLUENCE OF SEED HARDENING TREATMENTS ON YIELD, YIELD ATTRIBUTES AND NITREOGEN PHYSIOLOGICAL PARAMETERS OF MAIZE (Zea mays, L.) UNDER DROUGHT STRESS CONDITIONS
2016
Fergani, M. A. | Abd El-Hady A. | El-Temsah E.
Two field experiments were carried out in Agric. Expt. Farm, Fac. of Agric., Ain Shams Univ. at Shalakan, Kaleobia Governorate, Egypt during 2013 and 2014 growing seasons. These experiments aimed to study the effect of seed hardening treatments (without, -4 bar, -6 bar and -8 bar polyethylene glycol (PEG6000)) on yield and its attributes and nitrogen physiological parameters of maize (zea maize) under irrigation periods (irrigation every 14, 21 and 28 day) . The data revealed that all tested treatments affected significantly yield and its attributes traits except ear length. The highest values of ear weight (246.2 g), ear diameter (4.62 cm), number of rows/ear (13.6), shelling percentage (82,64%), grain yield/fad (3.58 ton), biological yield/fad (11.81 ton) and 100 kernels weight (g) (39.07) were recorded with -8 bar (PEG) treatment. Moreover -8 bar (PEG) this treatment recorded the highest values of grain nitrogen yield (kg/fad) and lowest value of grain nitrogen percentage (%). Irrigation every 14 days was characterized by significant higher yield attributes, which reflected its yield parameters and produced significant maximum grain yield. Irrigation every 14 day recorded significant highest grain and biological yield, which reflected its grain N yield and total N absorbed in plant. Maximum values of NUE and NRE ware optioned when maize plant irrigated every 14 day followed by irrigation every 21 day and irrigation every 28 day. On the other hand, NPE and NHI of studied irrigation periods were significantly differed; the highest values were recorded when maize irrigated every 28 day. The results also showed that seed hardening treatments (-4, -6 and -8 bar PEG) under irrigation periods 14 and 21 day recorded the highest values of ear length (cm) and ear diameter (cm). The high performance of irrigation every 14 day with hardening -8 bar PEG in yield attributes was reflected on its yield parameters. These parameters reached their highest significant values included grain and biological yield ware 3.97 and 13.55 ton/fad respectively; meanwhile; the lowest values in case of without hardening under irrigation every 28 day ware 2.17 and 7.84 ton/fad respectively .
Afficher plus [+] Moins [-]THE ROLE OF AGRICULTURAL EXTENSION IN THE MANAGEMENT OF AGRICULTURAL CRISISES IN SUGAR BEET AREA
2016
Hanan Hamed
The study aimed basically at: describing the actual situation of agricultural crisises in the study area and mechanisms of agricultural extension to face them, describing the levels of agricultural crisises management and studying the differences between extension agents and farmers’ points of view with respect to the agricultural crisises management level in the study area, estimating the gap size between the actual and optimal levels of agricultural crisises management in the study area, identifying the level of respondent farmers utilization of extension activities in the field of facing the agricultural crisises and factors correlated to it, and finally identifying the obstacles of the role of agricultural extension in agricultural crisises management and suggestions to face them from the agricultural agents and farmers points of view. The study was conducted in Sugar Beet on two different categoties of respondents, the first category was the population of agricultural agents in Sugar Beet area (24 agricultural agents), the second category was a systematic random sample of farmers in: Baghdad, Taha El-ameen and Salama Hegazy villages (165 farmers representing 30% of the total number of farmers in the three villages). Data were collected through personal interviews with the selected respondents using a questionnaire. The statistical analyzing tools used in the study were: Pearson’s correlation coefficient, t- test, in addition to frequencies, percentages, arithmetic mean, standard deviation and alpha coefficient. The most important findings were First: The most important agricultural crisises in the study area from the agricultural agents point of view were: shortage of irrigation water, climate changes, shortage of agricultural fertilizers, difficulties of agricultural crops marketing, the spread of bird flu disease, shortage of agricultural pesticides, pollution of irrigation water, spread of agricultural pests, spread of diseases of agricultural animals, shortage of veterinary services, agricultural environment pollution and the poor condition of agricultural drainage. Second: According to describing the agricultural crisises management levels, the findings showed that about 70.8% of respondent agricultural agents clarified that this level was moderate in the study area, while that 64.8% of respondent farmers clarified that this level was low. The findings showed also that there were significant differences between the two average degrees expressing the agricultural agents and farmers’ points of view in respect to agricultural crisises management level in the study area. Third: According to the gap size between the actual and optimal levels of agricultural crisises management in the study area, the findings showed that the ratio gap was about 36.5%, 52.0% from the agricultural agents and farmers points of view respectively. Fourth: About 47.9% of respondent farmers showed that their utilization level of extension activities in the field of facing the agricultural ctisises was low. The findings showed also that there was a positive significant correlation relationship between farmers’ utilization level of extension activities in the field of facing agricultural crisises and the following variables: age, educational level, family size, aspiration level, leadership status, public awareness level, organizations membership and cultural openness. Fifth: The findings also represented some obstacles of the role of agricultural extension in agricultural crisises management and suggestions to face them from the agricultural agents and farmers points of view.
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