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The Vascular Flora Of The Owens Peak Eastern Watershed, Southern Sierra Nevada, California, Naomi S. Fraga
The Vascular Flora Of The Owens Peak Eastern Watershed, Southern Sierra Nevada, California, Naomi S. Fraga
Aliso: A Journal of Systematic and Floristic Botany
Owens Peak lies at the southern end of the Sierra Nevada within the Bureau of Land Management’s Owens Peak Wilderness Area in Kern County, California. The study site, ca. 50 square miles, encompasses Owens Peak’s eastern watershed, and ranges in elevation from 800–2600 m (2600–8400 ft). Granite rocks of the Sierra Nevada batholith underlie the study area. The eastern watershed of Owens Peak is botanically diverse, with 64 families, 230 genera, and 440 taxa currently documented. Floristic elements within the study area include the southern Sierra Nevada, Great Basin, and Mojave Desert. The flora previously was poorly documented, as discovered …
Cantua Dendritica (Polemoniaceae), A New Species From Peru, And Two New Cantua Names, J. Mark Porter, L. Alan Prather
Cantua Dendritica (Polemoniaceae), A New Species From Peru, And Two New Cantua Names, J. Mark Porter, L. Alan Prather
Aliso: A Journal of Systematic and Floristic Botany
Cantua dendritica is described as new. This species is apparently restricted to the region around Paucartambo, Department of Cusco, Peru. Related to, and frequently identified as, Cantua flexuosa, this new species differs in its glandular calyx, highly branched trichomes on the margin of the corolla lobes, and its softly herbaceous, glandular pilose leaves. In addition, two new names are proposed in Cantua for the two species of Huthia that have been transferred to Cantua, C. volcanica (formerly Huthia caerulea), and C. mediamnis (formerly H. longiflora).
Review: Gardening With Heirloom Seeds: Tried-And-True Flowers, Fruits, And Vegetables For A New Generation, Diane Hartle
Review: Gardening With Heirloom Seeds: Tried-And-True Flowers, Fruits, And Vegetables For A New Generation, Diane Hartle
Georgia Library Quarterly
Review of the non-fiction book "Gardening With Heirloom Seeds: Tried-and-True Flowers, Fruits, and Vegetables for a New Generation," by Lynn Coulter.
An Acreage Response Model For Arkansas Rice Farms, J. Grant Ballard, Michael R. Thomsen
An Acreage Response Model For Arkansas Rice Farms, J. Grant Ballard, Michael R. Thomsen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
In recent years, market forces have signaled a strong demand for rice as well as other Arkansas crops. However, high fuel, fertilizer, and chemical costs have negatively impacted farm income, and these input costs are widely known to impact planting decisions of farmers. The goal of this study is to develop and estimate an acreage response model for rice. The model is used to compute acreage response elasticities and provides insight into roles that input costs and crop prices play in acreage decisions made by producers. Economic theory predicts that prices for important inputs such as fuels and fertilizers as …
Southwest Research-Extension Center Field Day 2008
Southwest Research-Extension Center Field Day 2008
Kansas Agricultural Experiment Station Research Reports
Each Field Day report consists of individual research reports on topics specific to the region, including cultural methods for most of the major crops grown in Kansas, mitigating the effects of weeds, insects, and disease associated with those crops, and irrigation. Research is conducted and reports written by staff of the K-State Research and Extension Southwest Research Extension Center.
Kansas Fertilizer Research 2007, Kansas State University
Kansas Fertilizer Research 2007, Kansas State University
Kansas Agricultural Experiment Station Research Reports
No abstract provided.
Herbaceous Plant Cover Establishment In A Barren Materials Quarry, Nikolaos Arambatzis, Kitikidou Kyriaki
Herbaceous Plant Cover Establishment In A Barren Materials Quarry, Nikolaos Arambatzis, Kitikidou Kyriaki
Turkish Journal of Botany
The ability to establish cover using grass and legume species without any soil preparation was studied in a barren materials quarry. The biodiversity indexes (Simpson) during the growing season as well as the vegetation cover and composition were measured. The results showed that the established species had a satisfactory cover (up to 87.5%). This means that we can achieve significant soil rehabilitation after mining using herbaceous plant cover and reduce the cost of rehabilitation by cutting the expenses of soil preparation.
Carbon Mineralization Of Ceratonia Siliqua L. Soils Under Different Temperature And Humidity Conditions, Emel Zengi̇n, Hüsni̇ye Aka Sağliker, Cengi̇z Darici
Carbon Mineralization Of Ceratonia Siliqua L. Soils Under Different Temperature And Humidity Conditions, Emel Zengi̇n, Hüsni̇ye Aka Sağliker, Cengi̇z Darici
Turkish Journal of Botany
The aim of this study was to determine how carbon (C) mineralization of carob (Ceratonia siliqua L., Fabaceae) soils are affected by different temperatures (23 °C and 28 °C) and humidity [field capacity (FC), 80% and 60% of their field capacity] conditions in the laboratory. The carob soils were taken from Çukurova University campus in the eastern Mediterranean region of Turkey. C mineralization of all soils was determined using CO_{2} respiration method. The microbial activity increased together with temperature increases. The microbial activity in the soils humidified at the field capacity and 60% of it was statistically lower compared to …
Geographic Variation In The Pollination Biology Of Passiflora Lutea (Passifloraceae), J. Burks Holland, J. Lanza
Geographic Variation In The Pollination Biology Of Passiflora Lutea (Passifloraceae), J. Burks Holland, J. Lanza
Journal of the Arkansas Academy of Science
Like most species of Passiflora, P. lutea is reported to produce one-day flowers with complicated floral movements and requires deposition of non-self pollen for fruit production. Medium sized bees are the most likely pollinators in central Texas. We report on a series of observations and experimental manipulations that compare the reproductive biology of P. lutea in central Arkansas to that reported previously from plants about 800 km distant in central Texas. We observed floral movements and floral visitors, compared fruit production of flowers available to pollinators versus flowers from which pollinators were excluded, and compared fruit production of flowers that …
Algae In Agricultural Fields From St. Francis County, Arkansas, T. Smith
Algae In Agricultural Fields From St. Francis County, Arkansas, T. Smith
Journal of the Arkansas Academy of Science
On August 9th, 2007, two agriculture fields (rice and sorghum fields) were sampled for freshwater algae in St. Francis County. The purpose of this study was to document the algal species in the rice and sorghum fields and compare the similarities of species composition. There were a total of 53 species identified. Overall, diatoms and cyanobacteria were equally dominant with both represented by 21 species (39.6% of the total) and 11 green algal species (20.8%) were present. The sorghum field was dominated by Chlorogloeopsis fritschii and Chroococcus limneticus, while Anabeana cylindrica was abundant in the rice field.
Arkansas Endemic Biota: An Update With Additions And Deletions, H. Robison, C. Mcallister, C. Carlton, G. Tucker
Arkansas Endemic Biota: An Update With Additions And Deletions, H. Robison, C. Mcallister, C. Carlton, G. Tucker
Journal of the Arkansas Academy of Science
It has been over a decade since the publication of Robison and Allen (1995) that provided the definitive list of endemic flora and fauna of Arkansas. The present study brings up-to-date the endemic biota of the state. Since 1995, several new species have been described and new discoveries have been made, adding species to the state biota. Other species are deleted and new distributional information on other state endemics is presented. Specifically, 3 new plant species are added to the state list while 4 plant species are deleted. Sixteen new animal species/subspecies are added to the state list while numerous …
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.
Paris Quadrifolia L. (Liliaceae): A New Record For The Flora Of Turkey, Sali̇h Terzi̇oğlu, Kami̇l Coşkunçelebi̇, Emi̇n Zeki̇ Başkent
Paris Quadrifolia L. (Liliaceae): A New Record For The Flora Of Turkey, Sali̇h Terzi̇oğlu, Kami̇l Coşkunçelebi̇, Emi̇n Zeki̇ Başkent
Turkish Journal of Botany
Paris quadrifolia L. (Liliaceae) was collected from Northeast Anatolia (A9 Ardahan). It is reported for the first time from Turkey. Line drawings, diagnostic characters and a distribution map of Paris L. species of Turkey are presented.
Two New Myxomycetes Records For The Myxobiota Of Turkey, Başaran Dülger
Two New Myxomycetes Records For The Myxobiota Of Turkey, Başaran Dülger
Turkish Journal of Botany
Badhamia gracilis (T.Macbr.) T.Macbr. and Diderma crustaceum Peck are recorded for the first time from Turkey.
15n Effects On Chlamydomonas Reinhardtii, Ryan Geraets, Brett Kollars
15n Effects On Chlamydomonas Reinhardtii, Ryan Geraets, Brett Kollars
The Journal of Undergraduate Research
Non-radioactive isotopic labeling has become a regular technique for efficiently labeling a wide range of macromolecules. The overall goal for this project was to develop a method of globally measuring plant protein turnover rates. In order to do so, an isotopic labeled environment that does not induce stress had to be used. The objective of this particular segment of research was to develop a 15N-labeled Tris-Acetate-Phosphate (TAP) media in which Chlamydomonas reinhardtii can successfully grow without eliciting stressed physiological responses. Our results illustrate that we have successfully developed 15N-labeled TAP that does not stress Chlamydomonas reinhardtii.
Effects Of Deuterium On Chlamydomonas Reinhardtii, Brett Kollars, Ryan Geraets
Effects Of Deuterium On Chlamydomonas Reinhardtii, Brett Kollars, Ryan Geraets
The Journal of Undergraduate Research
In order to develop software tools to monitor rates of total protein turnover in plants, attempts were made to maximally label all the proteins in vivo. Our study focused on the use of the stable isotope of hydrogen, deuterium, to label proteins of C. reinhardtii. The goal of this study was to determine the effect of the label on algal growth. C. reinhardtii is a unicellular green algae that is heterotrophic, photoautotrophic and mixotrophic. The results showed that increasing concentrations of deuterium in the algal growth medium had a negative effect on the growth of the algae. These preliminary results …
The Structure And Ultra Structure Of Anther Epidermis And Pollen In Lagerstroemia Indica L. (Lythraceae) In Response To Air Pollution, Farkhondeh Rezanejad
The Structure And Ultra Structure Of Anther Epidermis And Pollen In Lagerstroemia Indica L. (Lythraceae) In Response To Air Pollution, Farkhondeh Rezanejad
Turkish Journal of Botany
The structure of the anthers and pollen of Lagerstroemia indica L. (crepe myrtles) (Lythraceae) in samples collected from clean and polluted areas was studied by OM, SEM, and TEM. The epidermal cells of the anthers enlarged during anther development. Their cuticle content increased and became thick and folded. The cytoplasm of epidermal cells was peripheral and degenerated in mature anthers. At this time, their major content was phenolic compounds. The epidermal cells in the anthers collected from polluted areas were shrunken, fragile, and burned at the tip, compared to those collected from non-polluted areas. Flavonoid stainability was greater in the …
Nutlet Surface Micromorphology Of The Genus Nepeta L. (Lamiaceae) In Turkey, Ayla Kaya, Tuncay Di̇rmenci̇
Nutlet Surface Micromorphology Of The Genus Nepeta L. (Lamiaceae) In Turkey, Ayla Kaya, Tuncay Di̇rmenci̇
Turkish Journal of Botany
Nutlet characters within the genus Nepeta L. are of taxonomic significance. In this study, the nutlet morphology of 39 taxa of Turkish Nepeta species was examined using both stereoscopic and scanning electron microscopy (SEM). According to surface ornamentations, 3 main types, smooth, partly smooth, and sculptured, and 7 subtypes, undulate-ridged, cellular, reticulate, protuberance, papillate, verrucate, and tuberculate, were defined and illustrated. In addition, the unknown nutlet features of N. conferta Hedge & Lamond, N. crinita Montbret & Aucher ex Bentham, and N. viscida Boiss. are given for the first time here in detail. It is clear that external nutlet characters, …
Challenges Of In Situ Conservation Of Crop Wild Relatives, Vernon Hilton Heywood
Challenges Of In Situ Conservation Of Crop Wild Relatives, Vernon Hilton Heywood
Turkish Journal of Botany
Crop wild relatives (CWRs) will gain in importance as changing climates put both traditional and advanced cultivars under increasing stress, leading to a need for plant breeding to produce new varieties able to grow under the new climate regimes. Traditionally, the approach to the conservation of CWRs has been ex situ - the collection and maintenance of seed accessions in national, regional, and international germplasm banks, supplemented by field genebanks for species with recalcitrant seeds. More recently the need to maintain CWRs in their natural habitats (in situ) has been advocated. This is very different from on-farm conservation of traditional …
Effects Of Storage Temperature And Duration On The Milling Properties Of Rice, Tanya Pereira, Nora Cooper, Terry Siebenmorgen
Effects Of Storage Temperature And Duration On The Milling Properties Of Rice, Tanya Pereira, Nora Cooper, Terry Siebenmorgen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
To maximize rice quality, it is essential to quantify the various factors that affect milling properties of rice. Rice aging, a process during which rice undergoes a series of chemical and physicochemical changes, affects head rice yield (HRY) and the rate at which HRY changes with degree of milling (DOM). This study examined effects of storage duration (0, 2, and 4 months) and storage temperature (4, 21, and 35°C) on milling properties of ‘Wells’ (long-grain) and ‘Jupiter’ (medium-grain) rice cultivars. In general, HRY increased with storage duration, most significantly for Wells cultivar. Millability curves were developed by plotting HRY vs. …
Investigating The Utilization Of Silica Gel Packets In Drying Research-Scale Rough Rice Samples, Ashley Wiedower, George Ondier, Terry Siebenmorgen
Investigating The Utilization Of Silica Gel Packets In Drying Research-Scale Rough Rice Samples, Ashley Wiedower, George Ondier, Terry Siebenmorgen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Rice moisture content (MC) must be reduced to approximately 12.5% MC to prevent spoilage during storage. Desiccants may provide an improved method for drying research-scale rice samples. This study investigated the effects of 1) rice mass to be dried, 2) placement method of silica gel packets in rice samples, 3) regeneration and re-use of the packets, 4) drying temperature, and 5) initial MC on the effectiveness of silica gel packets to dry rough rice samples to the desired 12.5% MC. Multiple masses (200, 500, and 1000 g) of long-grain rice samples were dried using three desiccant placement treatments: 1) intimate …
Effects Of Nitrogen Fertilisation On Nitrate Reductase Activity, Protein, And Oil Yields Of Nigella Sativa L. As Affected By Foliar Ga_{3} Application, Shoukat Hussain Shah
Effects Of Nitrogen Fertilisation On Nitrate Reductase Activity, Protein, And Oil Yields Of Nigella Sativa L. As Affected By Foliar Ga_{3} Application, Shoukat Hussain Shah
Turkish Journal of Botany
The influence of foliar GA_{3} application (0, 10^{-4}, 10^{-5}, or 10^{-6} M) on the responses of Nigella sativa L. to various levels of N fertilisation (0, 176, 264, 352, or 442 mg N pot^{-1}) was analysed through 2 pot experiments conducted at the Department of Botany, Aligarh Muslim University, Aligarh, India. The N fed plants showed a significant enhancement of capsule number and seed yield plant^{-1}, and nitrate reductase activity, as well as protein and oil yields plant^{-1}, especially upon application of 352 mg N pot^{-1}. Moreover, the effect of basal N was further potentiated following an additional treatment with …
Induction Of Embryogenic Tissue From Immature Zygotic Embryos In Pinus Nigra J.F.Arnold Subsp. Nigra Var. Caramanica (Loudon) Businsky, Zeynep Özkurt, Tolga Yildirim, Sertaç Önde, Zeki̇ Kaya
Induction Of Embryogenic Tissue From Immature Zygotic Embryos In Pinus Nigra J.F.Arnold Subsp. Nigra Var. Caramanica (Loudon) Businsky, Zeynep Özkurt, Tolga Yildirim, Sertaç Önde, Zeki̇ Kaya
Turkish Journal of Botany
Embryogenic cultures (EC) of Anatolian black pine (Pinus nigra J.F.Arnold subsp. nigra var. caramanica (Loudon) Businsky) were initiated from immature pre-cotyledonary zygotic embryos sampled weekly from 16 different trees in 2 consecutive years. Douglas-fir cotyledon revised (DCR) medium supplemented with 13.6 µM of 2,4-D and 2.2 µM of BAP was used for initiation and maintenance of EC. Overall initiation frequencies of EC in the study were 0.92% in 2004 and 1.96% in 2005; tree values ranged from 0.0% to 7.32%. Overall, 0.38% and 0.62% of the initial explants were converted into established cell lines in 2004 and 2005, respectively.
Determination Of Airborne Lead Contamination In Cichorium Intybus L. In An Urban Environment, Di̇lmaç Yakupoğlu, Tüli̇n Güray, Deni̇z Yurtsever Sarica, Zeki̇ Kaya
Determination Of Airborne Lead Contamination In Cichorium Intybus L. In An Urban Environment, Di̇lmaç Yakupoğlu, Tüli̇n Güray, Deni̇z Yurtsever Sarica, Zeki̇ Kaya
Turkish Journal of Botany
The major source of environmental lead (Pb) is the combustion of leaded gasoline. After emission as exhaust, lead in the air falls to earth and contaminates soil and plants. Seventeen wild chicory (Cichorium intybus L.) plant samples were collected from each of 2 urban sites in Ankara, one is located at the road side of major intercity road (heavy traffic) and the other one is located in relatively less traffic area that is about 1 km away from the first location. Lead content of chicory plants were analyzed by a flame atomic absorption spectrophotometer. The mean lead concentrations in the …
Theodor Von Heldreich (1822-1902) And His Turkish Collections, Asuman Baytop, Kit Tan
Theodor Von Heldreich (1822-1902) And His Turkish Collections, Asuman Baytop, Kit Tan
Turkish Journal of Botany
The distinguished German botanist Theodor von Heldreich (1822-1902) visited Anatolia on at least 6 separate occasions as documented by specimens cited in Flora of Turkey and Flora Orientalis. His first visit was in 1845 and his last, to İzmir, in 1852. Within this period of less than seven years he collected c. 3000 sets of specimens. They included the types of nearly 200 new taxa and, if including syntypes and lectotypes, the figure is 207. The majority stem from the first expedition of 1845. The non-type specimens cited in the Flora are 280. It is difficult to trace Heldreich´s itinerary …
Soaproot Yielding Plants Of East Anatolia And Their Potential In Nature, Mehmet Koyuncu, Ceyda Si̇bel Kiliç, Ayşegül Güvenç
Soaproot Yielding Plants Of East Anatolia And Their Potential In Nature, Mehmet Koyuncu, Ceyda Si̇bel Kiliç, Ayşegül Güvenç
Turkish Journal of Botany
Soaproot (Radix Gypsophilae) is an important herbal drug having medicinal and economic importance and has been collected from nature for more than 30 years. The main goal of this study was to determine soaproot yielding plant species in East Anatolia, and their potential in nature. Collected plants were determined by field studies; damage to the environment after collection was observed, and commerce, exportation, domestic utilisation of soaproot, and problems and proposed solutions were examined. Soaproot is presently obtained from a total of 7 plant species belonging to 2 genera in Turkey (6 Gypsophila L., 1 Ankyropetalum Fenzl): G. graminifolia Bark, …
Taxonomy And Threatened Categories Of Three Achillea L. (Asteraceae-Anthemideae) Species Previously Cited In The Data Deficient (Dd) Category, Turan Arabaci, Bayram Yildiz
Taxonomy And Threatened Categories Of Three Achillea L. (Asteraceae-Anthemideae) Species Previously Cited In The Data Deficient (Dd) Category, Turan Arabaci, Bayram Yildiz
Turkish Journal of Botany
This study presents the taxonomy and threatened categories of 3 Achillea L. (Asteraceae-Anthemideae) species: A. membranacea (Labill.) DC., A. brachyphylla Boiss. & Hausskn., and A. boissieri Hausskn. ex Boiss. These species belong to sect. Babounya (DC.) O.Hoffm. and were previously placed in the data deficient (DD) category in the Red Data Book of Turkish Plants. Descriptions, localities, distribution map, and images of the species are given. Threatened categories of the species were determined as A. membranacea in VU, and A. brachyphylla and A. boissieri in EN.
Southwest Research-Extension Center, Field Day 2008
Southwest Research-Extension Center, Field Day 2008
Kansas Agricultural Experiment Station Research Reports
Report of agricultural research from Southwest Research-Extension Center of Kansas State University.