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Articles 1 - 30 of 74
Full-Text Articles in Life Sciences
Louisiana Agriculture Fall, 2001, Lsu Agcenter
Louisiana Agriculture Fall, 2001, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Women Involvement In Food Crop Production, Processing And Marketing In Nigeria, Abiola O., Omoabugan O. B.
Women Involvement In Food Crop Production, Processing And Marketing In Nigeria, Abiola O., Omoabugan O. B.
Bullion
The paper examines the extent of involvement of women in food crop production, processing and marketing in a typical African locality. Appropriate statistical techniques were employed in the data analyses. The findings show that women are greatly involved in the production, processing and marketing of food crops, especially cassava, which is one of the staple foods in sub-Saharan Africa.
Louisiana Agriculture Summer, 2001, Lsu Agcenter
Louisiana Agriculture Summer, 2001, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Capitalism And The Value Of Life: Foot-And-Mouth And The Culling Of Herds, Ibpp Editor
Capitalism And The Value Of Life: Foot-And-Mouth And The Culling Of Herds, Ibpp Editor
International Bulletin of Political Psychology
This article describes some psychological implications of culling as an intervention to help combat the spread of foot-and-mouth disease.
Environmental Effects On Yield And Agronomic Traits Of Common Bean (Phaseolus Vulgaris L.), Tadesse Mebrahtu, Teklu Andebrhan, Ali Mohamed
Environmental Effects On Yield And Agronomic Traits Of Common Bean (Phaseolus Vulgaris L.), Tadesse Mebrahtu, Teklu Andebrhan, Ali Mohamed
Virginia Journal of Science
Common bean (Phaseolus vulgaris L.) demand is increasing with an alarming rate around the world, especially in Latin America, Africa, and Asia. Therefore, increase bean yield per hectare is the best way to meet the world demand rather than expansion of area under cultivation. The objectives of this experiment were to determine the genotypic variations for green bean and dry seed yield and magnitude of genotype x environment interaction effects on yield and yield components of common bean. Thirteen genotypes were planted during the 1992, 1994, and 1995 growing seasons. Genotypes were evaluated for green pod and seed …
Isolation And Fusion Of Cotton Protoplasts, Michael H. Renfroe, Ronald C. Hartwig, Roberta H. Smith
Isolation And Fusion Of Cotton Protoplasts, Michael H. Renfroe, Ronald C. Hartwig, Roberta H. Smith
Virginia Journal of Science
Protoplasts were isolated from five species of Gossypium. Protoplast yield and viability were affected by incubation conditions, osmolarity, purification procedures, and cell source. Using an optimized procedure, highly viable protoplasts were isolated from cell suspensions, callus cultures, and leaf tissue of G. hirsutum, G. arboreum, G. klotzschianum, G. harknessii, and G. herbaceum. Protoplasts of G. harknessii were enucleated and successfully fused with protoplasts of G. hirsutum.
Louisiana Agriculture Spring, 2001, Lsu Agcenter
Louisiana Agriculture Spring, 2001, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Trends. The Psycho-Politics Of Foot In Mouth On Foot In Mouth: Pigs, Sheep, Cows, Politicians On The Animal Farm, Ibpp Editor
Trends. The Psycho-Politics Of Foot In Mouth On Foot In Mouth: Pigs, Sheep, Cows, Politicians On The Animal Farm, Ibpp Editor
International Bulletin of Political Psychology
This article discusses agricultural policy in the United Kingdom regarding foot and mouth disease of cloven-hoofed animals.
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Sulfur Amino Acid Requirements Of Broilers From Two To Five Weeks Of Age, Jill A. Townsend, H. R. (Trey) Pope, Jason L. Emmert
Sulfur Amino Acid Requirements Of Broilers From Two To Five Weeks Of Age, Jill A. Townsend, H. R. (Trey) Pope, Jason L. Emmert
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Phase-feeding (PF) in broiler chickens has been researched as a way to reduce feed costs without reducing growth performance and yield. Predicted amino acid requirements for PF are generated using linear regression equations derived from best estimates of lysine (Lys), sulfur amino acid (SAA), and threonine (Thr) requirements. During the late starter and early grower periods, predicted requirements for the SAA methionine (Met) and cysteine (Cys) are higher than levels recommended by the National Research Council (NRC), and previous research suggests that SAA may be lowered during the grower period without sacrificing growth performance or yield. The objective of this …
Development Of The Interactive Broiler Income Spreadsheet, Tara Shofner, H. L. Goodwin Jr.
Development Of The Interactive Broiler Income Spreadsheet, Tara Shofner, H. L. Goodwin Jr.
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The poultry industry has experienced unprecedented increased efficiencies since 1960 in large part due to vertical integration facilitated by production contracts between growers and integrators. As growers seek information about contract production they need to be well informed about all aspects of the process, especially potential income. Recent poultry grower complaints have surfaced as a result of incorrect expense and revenue expectations. The Interactive Broiler Income Spreadsheet (IBIS) is being developed to enable current and prospective poultry producers to better estimate income. IBIS, an unbiased Excel™ spreadsheet tool to assist in decision making regarding broiler production profitability, uses actual grower …
Correlating Fissure Occurrence To Rice Quality For Various Drying And Tempering Treatments, Monica J. Jimenez, Terry J. Siebenmorgen, A. G. Cnossen
Correlating Fissure Occurrence To Rice Quality For Various Drying And Tempering Treatments, Monica J. Jimenez, Terry J. Siebenmorgen, A. G. Cnossen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
When a rice kernel fissures, it can break in subsequent food processing operations and lose its commercial value. Head rice yield (HRY) is a measure of the percent of kernels that remain whole (at least three-fourths of original length) after rice has been milled. Our experiment was designed to test the effect of a rapid state transition during drying and tempering processes using cultivars Bengal and Cypress. ‘Bengal’ is a medium-size kernel and ‘Cypress’ is a longsize, thinner grained cultivar. Immediately after drying, the rice samples were separated into four sub-samples and tempered for 0, 80, 160, or 240 minutes …
Letter From The Dean, Gregory J. Weidemann
Letter From The Dean, Gregory J. Weidemann
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Determination Of Pollen Quality, Quantity And Effect Of Cross Pollination On The Fruit Set And Quality In The Pomegranate, Kubi̇lay Deri̇n, Si̇nan Eti̇
Determination Of Pollen Quality, Quantity And Effect Of Cross Pollination On The Fruit Set And Quality In The Pomegranate, Kubi̇lay Deri̇n, Si̇nan Eti̇
Turkish Journal of Agriculture and Forestry
This research was carried out to determine the pollen quality (pollen viability and germination), quantity (pollen production) and the role of cross pollination on the fruit set in Hicaz and 33 N 26 pomegranate cultivars under Adana ecological conditions in 1997. Pollen viability levels with TTC and FDA, pollen germination level with agar in the petri method, and pollen production capacity with the hemacytometric method of these cultivars were determined in both male (A type-unfertile) and bisexual (B type-fertile) flowers. In addition to these experiments, the changes in the fruit set and fruit quality in open-, self- and cross-pollination (with …
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 2 2001, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 2 2001, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Crimson Seedless Promise Wa Table Grape Boon, Ian Cameron
Crimson Seedless Promise Wa Table Grape Boon, Ian Cameron
Journal of the Department of Agriculture, Western Australia, Series 4
Five years of research and development into growing Crimson Seedless table grapes in Western Australia has produced a product of international quality. Berry sizes are 20 per cent larger than those being exported by both California and other Australian States. Overall, Crimson Seedless is expected to provide enormous opportunities for Western Australia's table grape industry.
Louisiana Agriculture Winter, 2001, Lsu Agcenter
Louisiana Agriculture Winter, 2001, Lsu Agcenter
Louisiana Agriculture
No abstract provided.
Determination Of Some Alpine Plants Suitable For Landscape Planning In Erzurum And Surroundings, Fari̇s Karahan, Hasan Yilmaz
Determination Of Some Alpine Plants Suitable For Landscape Planning In Erzurum And Surroundings, Fari̇s Karahan, Hasan Yilmaz
Turkish Journal of Agriculture and Forestry
In this study, it was intended to determine the usage possibilites of some alpine plant species having high potential value as ornamental plants for landscape planning in Erzurum and environs. The investigation was conducted in 15 locations of 1750-3176 m altitudes between May 1997 and September 1998. In the study, direct plant observation methods were employed as well as floristic plant analysis. The results showed that 166 alpine plant species were found belonging 32 families and useful for landscape planning. Among these plant species 14 for water gardens, 20 for roof and terrace gardens, 32 for dry wall and rock …
Search For O-Type Plants In Sugar Beet, Mustafa Erdal
Search For O-Type Plants In Sugar Beet, Mustafa Erdal
Turkish Journal of Agriculture and Forestry
This research was started in 1995 in order to find O-types, which are important basic materials in breeding monogerm hybrid sugar beets, and to develop their male sterile parallels in six monogerm families previously bred in the Plant Breeding Department of the Sugar Institute. For this purpose, a total of 600 (100 from each family) O-type candidate fertile plants were crossed with testers which were known to be cytoplasmic male steriles (CMS) by mating one fertile and one male sterile plant in a cage insulated with cotton cloth. In crossing male sterile and fertile plants, a sufficient amount of seed …
The Effects Of Different Row Spacings, Cutting Heights And Stubble Burning On Seed Yield And Yield Components Of Crested Wheatgrass (Agropyron Cristatum), Ahmet Gökkuş, Yunus Seri̇n, Ali̇ Koç, Mustafa Tan
The Effects Of Different Row Spacings, Cutting Heights And Stubble Burning On Seed Yield And Yield Components Of Crested Wheatgrass (Agropyron Cristatum), Ahmet Gökkuş, Yunus Seri̇n, Ali̇ Koç, Mustafa Tan
Turkish Journal of Agriculture and Forestry
This trial was conducted on the experimental fields of the Agricultural Faculty at Atatürk University in 1987-92 and five-year results were evaluated except for the first year. The effects of different row spacings (20, 30 and 40 cm), cutting stubble heights (2.5, 5.0 and 7.5 cm) and stubble burning on seed yield and yield components of crested wheatgrass (Agropyron cristatum) were studied. According to five-year averages, the effects of row spacings on the seed and straw yield, reproductive shoot number per m^2 and seed number and weight per spike were significant. The values for all parameters were increased by expanding …
Effect Of Boron Application On The Yield And Quality Of Sugar Beet, Sai̇t Gezgi̇n, Mehmet Hamurcu, Mustafa Apaydin
Effect Of Boron Application On The Yield And Quality Of Sugar Beet, Sai̇t Gezgi̇n, Mehmet Hamurcu, Mustafa Apaydin
Turkish Journal of Agriculture and Forestry
This research was conducted to determine the effects of application methods and the levels of boron on the root yield and quality of sugar beet in the Konya-Altınekin plain. The experimental soil was sandy loam, poor in organic matter and rich in calcium carbonate. The soil was alkaline in reaction and sufficient in boron content (0.55 ppm). In this work, three different levels of boron in borax form (0, 0.3 and 0.6 kg B/da) were applied with five different methods (soil, leaf, seed, soil + leaf, seed + leaf). The results showed that the root yield and refined sugar yield …
Using Pheromone Traps To Control California Red Scale Aonidiella Aurantii (Maskell) (Hom.: Diaspididae) In The Eastern Mediterranean Region, Mehtap Aytaş, Rabi̇a Yumruktepe, Cafer Mart
Using Pheromone Traps To Control California Red Scale Aonidiella Aurantii (Maskell) (Hom.: Diaspididae) In The Eastern Mediterranean Region, Mehtap Aytaş, Rabi̇a Yumruktepe, Cafer Mart
Turkish Journal of Agriculture and Forestry
In this study the possibility of using pheromone traps against California Red Scale (C.R.S.), Aonidiella aurantii (Maskell) (Hom.: Diaspididae), the main pest of citrus fruits, was examined. In 1995 and 1996 the male flight periods and four peak points were determined. There was a significant correlation between trapped males and leave-fruit C.R.S. populations. By the use of pheromone traps the unobserved C.R.S. population can be determined in the orchard. The most suitable application time could be determined properly from the IPM point of view. Also mass trapping for C.R.S. was not found to be a promising method according to effectiveness …
Water-Use Efficiency (Wue) And Change In The Yield-Response Factor (Ky) Of Cotton Irrigated By An Irrigation Drip System, Ahmet Ertek, Riza Kanber
Water-Use Efficiency (Wue) And Change In The Yield-Response Factor (Ky) Of Cotton Irrigated By An Irrigation Drip System, Ahmet Ertek, Riza Kanber
Turkish Journal of Agriculture and Forestry
This study was conducted to investigate the effect of water-use efficiency and changes in the yield-response factor of cotton irrigated with an irrigation drip system. The amount of water applied was based on free surface evaporation from a screened Class-A Pan. Irrigation treatments consisted of two different irrigation intervals (I1: 5; I2: 10 days), three plant-pan coefficients (Kcp1: 0.75; Kcp2: 0.90, Kcp3: 1.05) and two different soil surface wetting percentages (P1: 0.70 and P2: based on cover percentage of the crop). The first irrigation was applied when the available soil water content in the 120 cm of the soil profile …
Some Mechanical Properties Of Alder [Alnus Glutinosa Subsp. Barbata (C. A. Mey.) Yalt.] Wood Obtained From Artvin Region, Bi̇lgi̇n Güller, Nurgül Ay
Some Mechanical Properties Of Alder [Alnus Glutinosa Subsp. Barbata (C. A. Mey.) Yalt.] Wood Obtained From Artvin Region, Bi̇lgi̇n Güller, Nurgül Ay
Turkish Journal of Agriculture and Forestry
In this study, some mechanical properties of Alder [Alnus glutinosa subsp. barbata (C. A. Mey.) Yalt.] wood were investigated. The experiments were carried out on test specimens obtained from 10 selected experimental trees taken from Artvin region. The selection of the experimental trees, preparation of the test specimens and application of the test procedures were carried out according to the relevant Turkish standards. Some mechanical properties of Alder wood such as compression strength parallel to grain, static bending strength, modulus of elasticity, impact strength (impact bending), tension strength parallel to grain, shear strength, cleavage strength and values of Brinell-hardness were …
The Determination Of Some Physical Properties Of Beech Wood (Fagus Orientalis Lipsky.) In The Andırın Region, İbrahi̇m Bektaş, Cengi̇z Güler
The Determination Of Some Physical Properties Of Beech Wood (Fagus Orientalis Lipsky.) In The Andırın Region, İbrahi̇m Bektaş, Cengi̇z Güler
Turkish Journal of Agriculture and Forestry
The main aim of this study was to determine some physicals properties of the beech wood (Fagus orientalis Lipsky.) naturally growing in the Andırın region (the East Mediterranean region), and compare these properties with those of beech wood growing in the Black Sea region. The physical properties investigated were air and oven-dry density, basic density value, tangential, radial, longitudinal and volumetric shrinkage and swelling. The tests of the physical properties were performed on small clean specimens of beech wood selected from the most suitable stands by following the conventional methods. The average air-dry density, oven-dry density, basic density value, volumetric …
In Situ Localisation Of Axi 1 (Auxin Independent) Gene In Rhizobium Leguminosarum Inoculated Root Tips Of Pea Plants, Yeşi̇m Yalçin Mendi̇, Katharina Pawlowski, Seli̇m Çeti̇ner
In Situ Localisation Of Axi 1 (Auxin Independent) Gene In Rhizobium Leguminosarum Inoculated Root Tips Of Pea Plants, Yeşi̇m Yalçin Mendi̇, Katharina Pawlowski, Seli̇m Çeti̇ner
Turkish Journal of Agriculture and Forestry
Axi 1 is the only characterized auxin independent gene in tobacco plants. In this study, the effect of axi 1 gene on cortical cell division during different stages of nitrogen fixation and on the role of polar auxin transport were investigated. Root and nodule samples were taken from pea seedlings 24 hours, 48 hours, 6 days and 10 days after inoculation with R. leguminosarum PRE strain. Using in situ hybridisation, the location of the axi 1 gene expression in root and nodule tissues was identified. The results showed that in root tissues inoculated with Rhizobia, the axi 1 gene is …
Kinetic Studies With Crude Tomato Lipoxygenase, Emi̇n Yilmaz
Kinetic Studies With Crude Tomato Lipoxygenase, Emi̇n Yilmaz
Turkish Journal of Agriculture and Forestry
Crude tomato lipoxygenase (LOX) from ripe Florida47 tomatoes was used in this study. Extracted crude LOX was assayed spectrophotometrically. The effects of different buffers and pHs, substrate preparations, temperature and tissue location on LOX activity were evaluated. The enzyme was most active with MES buffer at a pH of 6.0 and a temperature of 25ºC. The best substrate was the first preparation with linoleic acid/Tween 20 at a ratio of 1:1.5. The kinetic parameters determined under the best conditions were a Km of 4.198 mM and a Vmax of 0.84 mM/min. The enzyme was heat labile, and most activity was …
Withdrawal Strength Of Dowels In Plywood And Oriented Strand Board, Yusuf Zi̇ya Erdi̇l, Carl A. Eckelman
Withdrawal Strength Of Dowels In Plywood And Oriented Strand Board, Yusuf Zi̇ya Erdi̇l, Carl A. Eckelman
Turkish Journal of Agriculture and Forestry
Plywood and oriented strand board (OSB) are being used increasingly in the construction of upholstered furniture frames. Yet there is little information available concerning the holding strength of various fasteners, and, in particular, dowels in these materials. A study was conducted accordingly, to obtain basic information about the holding strength of dowels in both plywood and oriented strand board. Results of the tests were incorporated into predictive expressions that allow designers to estimate withdrawal strength as a function of the diameter of the dowels, their depth of embedment and the density of the composite material. Given the variability of the …
Comparing Cotton Evapotranspirations Estimated By Micrometeorological And Water Budget Methods, Mustafa Ünlü, Riza Kanber, Kenan Di̇ker, Pasquale Steduto
Comparing Cotton Evapotranspirations Estimated By Micrometeorological And Water Budget Methods, Mustafa Ünlü, Riza Kanber, Kenan Di̇ker, Pasquale Steduto
Turkish Journal of Agriculture and Forestry
This study aimed at comparing actual water consumption of cotton obtained by the water balance method under full and limited irrigation conditions, with that estimated by a micrometeorological method (energy balance), which is being widely used nowadays. Results indicated that in the first year the total irrigation water applied was 438 mm, whereas in the second year it was 199 mm. Deep percolation losses were were 6 and 0 mm, respectively, in the first and second year of the experiment. The evapotranspirations of cotton under full irrigation condition were 496 and 629 mm for the energy balance and water budget …