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Articles 2581 - 2610 of 3150
Full-Text Articles in Life Sciences
Study On Vertical And Lateral Leaching Of Nitrate From A Wheat Field In China, Md. Toufiq Iqbal
Study On Vertical And Lateral Leaching Of Nitrate From A Wheat Field In China, Md. Toufiq Iqbal
Turkish Journal of Agriculture and Forestry
Vertical and lateral leaching of nitrate from a wheat field was studied through one season in a field in China by applying increasing amount of N fertilizers (e.g. 90, 180, 270 and 360 kg ha^{-1}). Results showed that nitrate leaching was the dominating way of nitrate loss from wheat land during the first two month after sowing seeds. After irrigation, the nitrate concentration in the leachate of 30 cm soil layer was higher than that of 60 cm, while the concentration of nitrate leaching at the five N treatments through the two depth soil layer came into the same level …
Somatic Embryogenesis From Immature Cotyledons Of Apomictic And Non-Apomictic Seeds In Walnut (Juglans Regia L.), Beki̇r Şan, Hati̇ce Dumanoğlu
Somatic Embryogenesis From Immature Cotyledons Of Apomictic And Non-Apomictic Seeds In Walnut (Juglans Regia L.), Beki̇r Şan, Hati̇ce Dumanoğlu
Turkish Journal of Agriculture and Forestry
Somatic embryogenesis from immature cotyledons of apomictic and open-pollinated seeds in some walnut (Juglans regia L.) genotypes was investigated. To obtain apomictic seeds, female flowers were bagged and/or pollinated with pollen of the apple cv. 'Golden Delicious' (Malus x domestica Borkh.). The best cotyledon stage for somatic embryogenesis was determined in open-pollinated seeds of 10 walnut genotypes. Immature cotyledons were cultured 8, 9, 10, 11 and 12 weeks after anthesis. As a result of this experiment, cotyledons of seeds thought to be of apomictic origin were cultured 8 weeks after anthesis. Driver and Kuniyuki walnut (DKW) medium supplemented with 1 …
Effects Of Different Nitrogen Doses And Row Spacing Applications On Yield And Quality Of Oenothera Biennis L. Grown In Irrigated Lowland And Unirrigated Dryland Conditions, Nazim Şekeroğlu, Menşure Özgüven
Effects Of Different Nitrogen Doses And Row Spacing Applications On Yield And Quality Of Oenothera Biennis L. Grown In Irrigated Lowland And Unirrigated Dryland Conditions, Nazim Şekeroğlu, Menşure Özgüven
Turkish Journal of Agriculture and Forestry
Common evening primrose (Oenothera biennis L., Onagraceae) is a biennial herbaceous forb. It is commercially cultivated in over 15 countries for its seed oil, which contains the essential fatty acids, linoleic and gamma-linolenic acid. The present study was carried out to determine the effects of different nitrogen doses (0, 60, 120 and 180 kg ha^{-1}) and row spacing applications (20, 40 and 60 cm) on yield and quality of Oenothera biennis L. grown in irrigated lowland and unirrigated dryland in the Gukurova conditions region in 2000 and 2001. The field trials were arranged in split-split-plot design with 3 replicates. Some …
Co-Inoculation Effects Of Phosphate Solubilizing Microorganisms And Glomus Fasciculatum On Green Gram-Bradyrhizobium Symbiosis, Almas Zaidi, Mohammad Saghir Khan
Co-Inoculation Effects Of Phosphate Solubilizing Microorganisms And Glomus Fasciculatum On Green Gram-Bradyrhizobium Symbiosis, Almas Zaidi, Mohammad Saghir Khan
Turkish Journal of Agriculture and Forestry
Experiments were conducted to evaluate the effects of nitrogen fixing (Bradyrhizobium sp. (Vigna)), phosphate solubilizing bacterium (Bacillus subtilis), phosphate solubilizing fungus (Aspergillus awamori) and AM fungus (Glomus fasciculatum) on the growth, chlorophyll content, seed yield, nodulation, grain protein, and N and P uptake of green gram plants grown in phosphorus-deficient soils. The triple inoculation of AM fungus, Bradyrhizobium sp. (Vigna) and B. subtilis significantly increased dry matter yield, chlorophyll content in foliage and N and P uptake of green gram plants. Seed yield was enhanced by 24% following triple inoculation of Bradyrhizobium + G. fasciculatum + B. subtilis, relative to …
Organic Acid Pulping Of Rice Straw. I: Cooking, M. Sarwar Jahan, Z. Z. Lee, Yongcan Jin
Organic Acid Pulping Of Rice Straw. I: Cooking, M. Sarwar Jahan, Z. Z. Lee, Yongcan Jin
Turkish Journal of Agriculture and Forestry
Acetic acid or formic acid treatment of rice straw with the variation of reaction variables, namely acid concentration, catalyst (HCl or H_2SO_4) concentration, reaction time, temperature and liquor ratio, was investigated to ascertain effects on the dissolution of hemicellulose, which facilitates the dissolution of lignin during alkaline extraction or peroxyacid treatment and improved the drainability of straw pulp. Maximum pentosan dissolution was observed in 80% acetic acid with 0.6% H_2SO_4 catalyst at 80 °C for 120 min. Acetic acid dissolved pentosan more slowly than formic acid. The catalytic activity of H_2SO_4 was higher than that of HCl with respect to …
Preliminary Results On Genome Mapping Of An Italia X Mercan Grapevine Population, Zeli̇ha Gökbayrak, Cengi̇z Özer, Gökhan Söylemezoğlu
Preliminary Results On Genome Mapping Of An Italia X Mercan Grapevine Population, Zeli̇ha Gökbayrak, Cengi̇z Özer, Gökhan Söylemezoğlu
Turkish Journal of Agriculture and Forestry
This research was conducted to construct genetic linkage maps of Vitis (2n = 38) from grape populations (60 F_1 + 2 parents) of crossing of Italia and Mercan (Vitis vinifera L.) cultivars. RAPD reactions were performed using a total of 300 RAPD primers. The amplification products were scored from negatives as presence or absence. Only 59 loci for Italia and 55 loci for Mercan could be used for linkage analysis. Mapmaker/Exp.3.0 was used for genetic linkage analysis with multipoint ordering among markers at LOD >= 3.0 score. The map was developed by using the double pseudo-testcross mapping approach. Italia and …
Effect Of Sowing Date And Limited Irrigation On The Seed Yield And Quality Of Dill (Anethum Graveolens L.), Saeid Zehtab-Salmasi, Kazem Ghassemi-Golez, Sajad Moghbeli
Effect Of Sowing Date And Limited Irrigation On The Seed Yield And Quality Of Dill (Anethum Graveolens L.), Saeid Zehtab-Salmasi, Kazem Ghassemi-Golez, Sajad Moghbeli
Turkish Journal of Agriculture and Forestry
Field and laboratory experiments were carried out in order to investigate the influence of 3 sowing dates and 4 irrigation disruption treatments at different growth stages on the seed yield and quality of dill (Anethum graveolens L.). The results showed that for successful seed production dill must be sown in early spring (3 to 18 April), since there was no significant difference in seed yield between the sowing dates of 3 April (S_1) and 18 April (S_2). Seeds from S_1 sowing had a higher percentage of germination after accelerated ageing (AA), a faster germination rate and a heavier seedling dry …
Alterations Of Myostatin And Follistatin Gene Expression Profiles In Response To In Ovo Rhigf-1 During Quail (Coturnix Coturnix) Embryonic Development, Hakan Kocamiş, Nurhayat Gülmez, Şahi̇n Aslan, Mümtaz Nazli, Scott A. Gahr, Turgut Kirmizibayrak, Mustafa Saatci
Alterations Of Myostatin And Follistatin Gene Expression Profiles In Response To In Ovo Rhigf-1 During Quail (Coturnix Coturnix) Embryonic Development, Hakan Kocamiş, Nurhayat Gülmez, Şahi̇n Aslan, Mümtaz Nazli, Scott A. Gahr, Turgut Kirmizibayrak, Mustafa Saatci
Turkish Journal of Veterinary & Animal Sciences
Myostatin, along with its binding protein follistatin, have been demonstrated to inhibit skeletal muscle development during embryonic and postnatal development, whereas IGF-1 has been reported to stimulate skeletal muscle development and overall growth. The objectives of the current study were to determine the expression profiles of myostatin and follistatin genes, and to evaluate the impact of in ovo administration of recombinant human insulin-like growth factor-1 (rhIGF-1) on these gene expression patterns during quail embryogenesis, with an emphasis on skeletal muscle development. Quail eggs were injected once with 100 ng rhIGF-1 in 10 mM acetic acid, 0.1% BSA per embryo on …
Influence Of Feeding Frequency On Feed Intake, Growth Performance And Nutrient Utilization In European Sea Bass (Dicentrarchus Labrax) Fed Pelleted Or Extruded Diets, Derya Güroy, Emrah Deveci̇ler, Betül Kut Güroy, Ahmet Adem Teki̇nay
Influence Of Feeding Frequency On Feed Intake, Growth Performance And Nutrient Utilization In European Sea Bass (Dicentrarchus Labrax) Fed Pelleted Or Extruded Diets, Derya Güroy, Emrah Deveci̇ler, Betül Kut Güroy, Ahmet Adem Teki̇nay
Turkish Journal of Veterinary & Animal Sciences
In an 83-day-nutrition trial, effects of feed production technique and feeding frequency on feed intake, growth and nutrient utilization were determined in European sea bass (Dicentrarchus labrax). Three thousand six hundred fish (170 ± 2.6 g) were randomly allocated to experimental sea cages (approx. 5800 l) according to a 2 x 2 experimental plan [2 processing techniques: steam pelleted diet (P) vs. extruded diet (E); 2 feeding frequencies: twice (2) vs. 3 times (3)]. The P3 group consumed significantly (P < 0.05) more feed than the fish fed extruded diets, irrespective of feeding frequency. Growth rates of all groups did not display any significant difference (P > 0.05) in terms of final weight (FW) or specific growth rate (SGR), although there was a decreasing trend in final …
By-Catch In A 40 Mm Pe Demersal Trawl Codend, Yeli̇z Doğanyilmaz Özbi̇lgi̇n, Zafer Tosunoğlu, Hüseyi̇n Özbi̇lgi̇n
By-Catch In A 40 Mm Pe Demersal Trawl Codend, Yeli̇z Doğanyilmaz Özbi̇lgi̇n, Zafer Tosunoğlu, Hüseyi̇n Özbi̇lgi̇n
Turkish Journal of Veterinary & Animal Sciences
Demersal trawling in Turkish waters yields a considerable amount of by-catch and discard. Data presented in this study were collected during a demersal trawl codend selectivity trial carried out on board the RV Egesüf (27 m, 500 HP) between August 9 and September 4, 2002, in İzmir Bay. In total, 52 species of fish and invertebrate from 40 mm nominal mesh size commercially used PE codend and 24 mm cover were identified, separately weighed, and classified as commercial and non-commercial. In addition, for red mullet (Mullus barbatus), hake (Merluccius merluccius), common pandora (Pagellus erythrinus), axillary sea bream (Pagellus acarne), annular …
The Effect Of Dietary Vitamin E On The Arginase Activity In The Females Of Freshwater Crayfish (Astacus Leptodactylus, Esch. 1823), Mi̇ne Eri̇şi̇r, Özden Barim, Mehtap Özçeli̇k, Muzaffer Mustafa Harlioğlu
The Effect Of Dietary Vitamin E On The Arginase Activity In The Females Of Freshwater Crayfish (Astacus Leptodactylus, Esch. 1823), Mi̇ne Eri̇şi̇r, Özden Barim, Mehtap Özçeli̇k, Muzaffer Mustafa Harlioğlu
Turkish Journal of Veterinary & Animal Sciences
The effects of different levels of dietary vitamin E on the arginase activity of the hepatopancreas, gills and muscle of freshwater crayfish (Astacus leptodactylus) were investigated. The control diet contained approximately 37.41% crude protein on a dry-weight basis and 3.25 kcal g^{-1} gross energy. The diet ingredients contributed 65.83 mg kg^{-1} vitamin E to the control diet. Levels of 34.17 mg kg^{-1}, 84.17 mg kg^{-1} and 134.17 mg kg^{-1} vitamin E (DL-a-tocopherol acetate) were added to the control diet to supply 100 mg kg^{-1} in diet 1, 150 mg kg^{-1} in diet 2 and 200 mg kg^{-1} in diet 3, …
Detection Of Slime Factor Production And Antibiotic Resistance In Staphylococcus Strains Isolated From Various Animal Clinical Samples, Süheyla Türkyilmaz, Seza Eski̇i̇zmi̇rli̇ler
Detection Of Slime Factor Production And Antibiotic Resistance In Staphylococcus Strains Isolated From Various Animal Clinical Samples, Süheyla Türkyilmaz, Seza Eski̇i̇zmi̇rli̇ler
Turkish Journal of Veterinary & Animal Sciences
In this study, the production of slime factor in 180 Staphylococcus spp. (90 coagulase-positive Staphylococcus (CoPS) and 90 coagulase-negative Staphylococcus (CoNS)) isolated from various animal clinical specimens was investigated with Congo Red Agar (CRA), Microplate (MP), and Standard Tube (ST) tests and the results were compared to each other. The rate of production of slime factor in all of the Staphylococcus spp. investigated with CRA, MP, and ST tests were 61.1%, 55.5%, and 50.5%, respectively. The existence of Staphylococcus spp. resistance against various antibiotics was also determined by the agar disk diffusion method. The percentage of resistance against penicillin, methicillin, …
The Effectiveness Of Cosynch Protocol In Dairy Heifers And Multiparous Cows, Orkun Demi̇ral, Mustafa Ün, Murat Abay, Tayfur Bekyürek, Ahmet Öztürk
The Effectiveness Of Cosynch Protocol In Dairy Heifers And Multiparous Cows, Orkun Demi̇ral, Mustafa Ün, Murat Abay, Tayfur Bekyürek, Ahmet Öztürk
Turkish Journal of Veterinary & Animal Sciences
The aim of the present study was to evaluate the effects of Cosynch protocol on some reproductive parameters in Holstein multiparous cows (MC) (n = 54) and heifers (n = 53). Follicular development, presence of corpus luteum (CL) at different stages of Cosynch protocol, ovulation time and pregnancy rates were evaluated by ultrasonography in MCs and heifers. Pregnancy rates (PR) in MCs and heifers were found as 41% and 51% (P: 0.29, Z: -1.06). At the time of first Gonadotropinreleasing hormone (GnRH) (GnRH1), Prostaglandin F_{2a} (PGF_{2a}) and final GnRH (GnRH2) injections, PRs in heifers and MCs which had CL on …
Plasma Ascorbic Acid Levels In Lambs With Coccidiosis, Şi̇ma Şahi̇nduran, Kenan Sezer, Tülay Büyükoğlu, Bayram Ali̇ Yukari, Meti̇n Koray Albay
Plasma Ascorbic Acid Levels In Lambs With Coccidiosis, Şi̇ma Şahi̇nduran, Kenan Sezer, Tülay Büyükoğlu, Bayram Ali̇ Yukari, Meti̇n Koray Albay
Turkish Journal of Veterinary & Animal Sciences
This study evaluated 30 lambs, 20 naturally infected with coccidia oocysts (infected group) and 10 healthy lambs (control group). Blood samples were collected from both groups for evaluation of ascorbic acid values in plasma and blood cells analysis. Mean plasma ascorbic acid values in the infected group were lower than those in the control group (0.76 ± 0.19 and 2.00 ± 0.58 mg/dl, respectively). A decrease in erythrocyte, haemoglobin and haematocrit values and an increase in leukocyte values were determined.
Investigation Of The Coagulation Profile In Calves With Neonatal Diarrhoea, Gürbüz Gökçe, Hali̇l İbrahi̇m Gökce, Hi̇dayet Meti̇n Erdoğan, Vehbi̇ Güneş, Mehmet Çi̇ti̇l
Investigation Of The Coagulation Profile In Calves With Neonatal Diarrhoea, Gürbüz Gökçe, Hali̇l İbrahi̇m Gökce, Hi̇dayet Meti̇n Erdoğan, Vehbi̇ Güneş, Mehmet Çi̇ti̇l
Turkish Journal of Veterinary & Animal Sciences
In this study, 20 neonatal diarrhoeic and 10 clinically healthy neonatal calves were used. Venous blood samples were collected from each animal to determine platelet numbers, pH, partial pressure of carbon dioxide (pCO_{2}), partial pressure of oxygen (pO_{2}), saturated oxygen (O_{2}SAT), content of carbon dioxide (ctCO_{2}), actual bicarbonate (HCO_{3}act), standard bicarbonate (HCO_{3}std), and actual base excess (actBE) of plasma. Plasma samples were collected from each animal for the measurement of prothrombin time (PT), thromboplastin time (aPTT), thrombin time (TT), and the concentrations of fibrinogen and cross-linked fibrinogen degradation products (D-dimer). Blood pH, HCO_{3}act, HCO_{3}std, actBE, ctCO_{2}, and O_{2}SAT values were …
Comparison Of Polymerase Chain Reaction And Conventional Methods For The Diagnosis Of Listeria Monocytogenes In Stuffed Mussels, Ergün Ö. Göksoy, Şükrü Kirkan, Osman Kaya
Comparison Of Polymerase Chain Reaction And Conventional Methods For The Diagnosis Of Listeria Monocytogenes In Stuffed Mussels, Ergün Ö. Göksoy, Şükrü Kirkan, Osman Kaya
Turkish Journal of Veterinary & Animal Sciences
The aim of this study was to evaluate the role of stuffed mussel as a source of Listeria monocytogenes. Polymerase chain reaction is a rapid procedure with both sensitivity and specificity for quick detection and identification of L. monocytogenes. A total of 50 mussel samples were investigated for L. monocytogenes. L. monocytogenes was not identified by the conventional method. However, PCR amplification products demonstrated that 5 out of 50 samples showed positive reactions with L. monocytogenes. The PCR positive samples showed specific amplification at approximately 343 bp for L. monocytogenes.
Effects Of Feeding Acidified Milk Replacer On The Growth, Health And Behavioural Characteristics Of Holstein Friesian Calves, Mete Yanar, Olcay Güler, Bahri̇ Bayram, Jale Meti̇n
Effects Of Feeding Acidified Milk Replacer On The Growth, Health And Behavioural Characteristics Of Holstein Friesian Calves, Mete Yanar, Olcay Güler, Bahri̇ Bayram, Jale Meti̇n
Turkish Journal of Veterinary & Animal Sciences
The objective of this study was to compare the performances of calves fed acidified milk replacer (AMR) or sweet (regular) milk replacer (SMR) at 8% of birth weight. Twenty-one calves (10 males, 11 females) were offered replacers reconstituted to 12% of dry matter over 5 weeks. In the group fed AMR, daily body weight gains of calves at the different stages of growth were comparable to those for calves fed SMR. In the preweaning period, calves offered AMR had similar dry matter intakes from starter, milk replacer and dry hay as well as total intake as those fed SMR. In …
Plasma Lysozyme Levels And Secondary Stress Response In Rainbow Trout, Oncorhynchus Mykiss (Walbaum) After Exposure To Leteux-Meyer Mixture, Hi̇jran Yavuzcan Yildiz
Plasma Lysozyme Levels And Secondary Stress Response In Rainbow Trout, Oncorhynchus Mykiss (Walbaum) After Exposure To Leteux-Meyer Mixture, Hi̇jran Yavuzcan Yildiz
Turkish Journal of Veterinary & Animal Sciences
Leteux-Meyer mixture (LMM) contains formalin and malachite green and can be externally applied to fish as an antimicrobial agent. To determine the effects of prophylactic treatment with LMM on plasma lysozyme levels and the secondary stress indices, alterations in plasma glucose, chloride, sodium, potassium and hematocrit were monitored in healthy rainbow trout, Oncorhynchus mykiss W. Fish were i) exposed to 25 ppm Leteux-Meyer mixture for 60 min and ii) the same treatment followed by 60 min recovery in clean freshwater. Treatment with LMM resulted in a decrease in plasma lysozyme values. After a recovery period of 60 min plasma lysozyme …
Biological Properties Of Chloro-Salicylidene Aniline And Its Complexes With Co(Ii) And Cu(Ii), Javed Iqbal, Syed Ahmad Tirmizi, Feroza Hamid Wattoo, Muhammad Imran, Muhammad H. Sarwar Wattoo, Shahida Sharfuddin, Shoomaila Latif
Biological Properties Of Chloro-Salicylidene Aniline And Its Complexes With Co(Ii) And Cu(Ii), Javed Iqbal, Syed Ahmad Tirmizi, Feroza Hamid Wattoo, Muhammad Imran, Muhammad H. Sarwar Wattoo, Shahida Sharfuddin, Shoomaila Latif
Turkish Journal of Biology
New complexes of chloro-salicylidene aniline with Co(II) and Cu(II) were synthesised and screened for antibacterial activity against several bacterial strains, namely Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa. The metal complexes showed enhanced antibacterial activity compared to uncomplexed ligands.
The Efficacy Of Spinosad On Different Strains Of Spodoptera Littoralis (Boisduval) (Lepidoptera: Noctuidae), Hi̇lal Aydin, M. Oktay Gürkan
The Efficacy Of Spinosad On Different Strains Of Spodoptera Littoralis (Boisduval) (Lepidoptera: Noctuidae), Hi̇lal Aydin, M. Oktay Gürkan
Turkish Journal of Biology
The cotton leafworm, Spodoptera littoralis (Boisduval), was collected from commercial cotton production fields in Adana, Turkey, and tested for susceptibility to the insecticide spinosad. The susceptibility of the field strain was also compared to the susceptible strain (S) of S. littoralis. Lethal dose bioassays were performed with third instar larvae using the leaf dip method. The LC50 values for field and susceptible strains were 43.691 and 10.037 ppm, respectively. When LC50 values and 95% confidence intervals were compared with a susceptible laboratory reference strain, the field strain was approximately 4.4-fold less sensitive than the susceptible strain. The present study suggests …
Effect Of Gibberellic Acid Spray On Performance Of Tomato, M.Masroor A. Khan, Champa Gautam, Firoz Mohammad, Manzer H. Siddiqui, M. Naeem, M. Nasir Khan
Effect Of Gibberellic Acid Spray On Performance Of Tomato, M.Masroor A. Khan, Champa Gautam, Firoz Mohammad, Manzer H. Siddiqui, M. Naeem, M. Nasir Khan
Turkish Journal of Biology
A pot experiment was performed according to a factorial randomized design at Aligarh to study the effect of 4 levels of gibberellic acid spray (0, 10-8, 10-6 and 10-4 M GA3) on the growth, leaf-NPK content, yield and quality parameters of 2 tomato cultivars (Lycopersicon esculentum Mill.), namely Hyb-SC-3 and Hyb-Himalata. Irrespective of its concentration, spray of gibberellic acid proved beneficial for most parameters, especially in the case of Hyb-SC-3.
Antimicrobial Properties Of Silene Multifida (Adams) Rohrb. Plant Extracts, Ömer Ertürk, Hati̇ce Kati, Nuretti̇n Yayli, Zi̇hni̇ Demi̇rbağ
Antimicrobial Properties Of Silene Multifida (Adams) Rohrb. Plant Extracts, Ömer Ertürk, Hati̇ce Kati, Nuretti̇n Yayli, Zi̇hni̇ Demi̇rbağ
Turkish Journal of Biology
Specimens of Silene multifida (Adams) Rohrb. were collected in the vicinity of Yomra, Trabzon, Turkey. The fresh plants were air-dried and chopped. This material was extracted with cold chloroform (CHCl3). The chloroform extract was dissolved in dimethyl sulphoxide (DMSO), and, following column chromatography, 6 fractions were obtained. The serial dilutions (0.5, 1, 2, 4 and 10 mg/ml) of these fractions were prepared in 5% Tween 20. The fractions were tested for antimicrobial activity using the agar diffusion technique against 6 bacteria, Bacillus subtilis, Staphylococcus aureus, Esherichia coli, Pseudomonas aeruginosa, Enterobacter cloacae and Proteus vulgaris, and 1 fungus, Candida albicans. Fractions …
Isolation And Characterization Of Lactobacillus Bulgaricus And Lactobacillus Casei From Various Foods, Özlem Turgay, Feryal Erbi̇li̇r
Isolation And Characterization Of Lactobacillus Bulgaricus And Lactobacillus Casei From Various Foods, Özlem Turgay, Feryal Erbi̇li̇r
Turkish Journal of Biology
The aim of this study was to determine Lactobacillus bulgaricus and Lactobacillus casei isolated from yoghurt, different kinds of cheese and a traditional food named 'tarhana' (a fermented food made of a mixture of cereal, yoghurt and thyme), and to determine the antimicrobial activity and antibiotic resistance of these isolates. The identity of the culture was based on characteristics of the strains of Lactobacillus spp. as presented in Bergey's Manual of Determinative Bacteriology, carrying out microscopy (morphology), Gram straining, growth at 15 and 45 °C, and fermentation of different carbon sources and growth in 7.5% NaCl. On the basis of …
Pollen Wall Ultrastructure Of Araceae And Lemnaceae In Relation To Molecular Classifications, Michael Hesse
Pollen Wall Ultrastructure Of Araceae And Lemnaceae In Relation To Molecular Classifications, Michael Hesse
Aliso: A Journal of Systematic and Floristic Botany
A comparative ultrastructural study of Araceae pollen walls was conducted for the first time. The results are based mainly on investigations by transmission electron microscopy of 101 species in 70 genera (out of a total of 105 genera), while pollen of 83 genera with 219 species were studied by scanning electron microscopy, generally without acetolysis. Special attention was given to Lemnaceae (including Limnobiophyllum) considered to be closely related to Araceae (especially to Pistia). The ultrastructural pollen wall characters are mostly in accordance with and strongly support the morphological classifications and the arrangement of genera within recent molecular trees. …
A Reappraisal Of Phylogentic Relationships In The Monocotyledon Family Hydrocharitaceae (Alismatidae), Donald H. Les, Michael L. Moody, Connie L. Soros
A Reappraisal Of Phylogentic Relationships In The Monocotyledon Family Hydrocharitaceae (Alismatidae), Donald H. Les, Michael L. Moody, Connie L. Soros
Aliso: A Journal of Systematic and Floristic Botany
The diverse, aquatic Hydrocharitaceae have defied stable classification for nearly two centuries. Anatomical and morphological convergence characterize many aquatic plants and undoubtedly have hindered the ability of researchers to ascertain accurately those features representing reliable phylogenetic markers within Hydrocharitaceae. Most prior classifications of the family have emphasized few characters to define major taxonomic subdivisions (i.e., they were highly artificial). Previous studies using molecular data have shown that DNA sequences provide novel indications of phylogeny not indicated previously by morphologically based classifications; however, they have not yet recommended alterations to the classification for the family. We conducted a more comprehensive phylogenetic …
Stem Anatomy Of Climbing Palms In Relation To Long-Distance Water Transport, P. Barry Tomlinson
Stem Anatomy Of Climbing Palms In Relation To Long-Distance Water Transport, P. Barry Tomlinson
Aliso: A Journal of Systematic and Floristic Botany
Palms lack secondary growth so their primary vascular system is long-lived and must be minimally vulnerable to dysfunction. For water movement, the axial xylem must be well defended against cavitation. Climbing palms can be very long and represent a maximum solution to transport problems. How is this demonstrated in their anatomy? This article contrasts stem vascular anatomy in a canelike "tree palm" (Rhapis excelsa) with that in the American climbing palm Desmoncus and the Old World rattan genus Calamus. Rhapis, representing the basic classical palm vasculature, has a continuously integrated vascular system determined by branching of the axial …
The Evolutionary And Biogeographic Origin And Diversification Of The Tropical Monocot Order Zingiberales, W. John Kress, Chelsea D. Specht
The Evolutionary And Biogeographic Origin And Diversification Of The Tropical Monocot Order Zingiberales, W. John Kress, Chelsea D. Specht
Aliso: A Journal of Systematic and Floristic Botany
Zingiberales are a primarily tropical lineage of monocots. The current pantropical distribution of the order suggests an historical Gondwanan distribution, however the evolutionary history of the group has never been analyzed in a temporal context to test if the order is old enough to attribute its current distribution to vicariance mediated by the break-up of the supercontinent. Based on a phylogeny derived from morphological and molecular characters, we develop a hypothesis for the spatial and temporal evolution of Zingiberales using Dispersal-Vicariance Analysis (DIVA) combined with a local molecular clock technique that enables the simultaneous analysis of multiple gene loci with …
Ellen G. White And Creationism: How To Deal With Her Statements On Creation And Evolution: Implications And Prospects, Frank M. Hasel
Ellen G. White And Creationism: How To Deal With Her Statements On Creation And Evolution: Implications And Prospects, Frank M. Hasel
Journal of the Adventist Theological Society
No abstract provided.
Bumblebees 2005-2006, Mandarin Garden Club
Bumblebees 2005-2006, Mandarin Garden Club
Mandarin Garden Club Scrapbooks
Scrapbook includes leaflets, pamphlets, images and news clippings. Cover material: Plastic. Size: 10” x11” x 1.75”
2005-2006, Mandarin Garden Club
2005-2006, Mandarin Garden Club
Mandarin Garden Club Scrapbooks
Scrapbook includes images, club news, and news clippings. Cover: Cloth. Size: 12.875" x 13.75" x 2