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Articles 1 - 16 of 16
Full-Text Articles in Life Sciences
Membrane Protein As A Basis Of Nacl Tolerance In Alfalfa, Husni N. Sabah
Membrane Protein As A Basis Of Nacl Tolerance In Alfalfa, Husni N. Sabah
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This study sought to determine whether NaCl altered the plasma membrane proteins in alfalfa exhibiting differential NaCl concentrations, and whether CaSO4 modified the responses. Two alfalfa cultivars, Centurion and Condor, were grown in 0.5 strength Hoagland solution in a greenhouse. The cultivars were exposed to 0, 88, and 132 mM of NaCl alone and mixed with CaSO4 ⋅ H2O at 7 and 14 Mm CaSO4 for 3, 9, and 60 days.
In experiment 1, roots were dried to determine their Na, Ca, K, and Mg concentration. The results were similar to previous reports in which …
Cytological And Molecular Analyses Of The Ns Genome In Russian Wildrye, Psathyrostachys Juncea (Fisch.), Junzhi Wei
Cytological And Molecular Analyses Of The Ns Genome In Russian Wildrye, Psathyrostachys Juncea (Fisch.), Junzhi Wei
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Russian wildrye (Psathyrostachys juncea Fisch. 2n=2x=14, NsNs) is an important forage grass and a potentially useful germplasm in wheat improvement. A standard C-banding karyotype of Ps. juncea has been developed based on the C-bands of chromosomes in geographically diverse materials. Although there are C-banding polymorph isms, the seven pairs of chromosomes can be distinguished from each other according to their basic banding patterns. Based on C-banded karyotype, one deletion-translocation heterozygote, four primary trisomies, one double-deletion trisomic, and two tertiary trisomies were identified. These cytogenetic stocks will be useful in genetic studies of Russian wildrye.
Genetic variations in Russian wildrye were …
Plant Community Changes Over 54 Years Within The Great Basin Experimental Range, Manti-La Sal National Forest, Scott C. Walker, David K. Mann, E. Durant Mcarthur
Plant Community Changes Over 54 Years Within The Great Basin Experimental Range, Manti-La Sal National Forest, Scott C. Walker, David K. Mann, E. Durant Mcarthur
Aspen Bibliography
Plant community changes and natural succession over time impact forage values, watershed quality, wildlife habitat, and ecosystem dynamics. Comparisons were made between a vegetation map of community types completed in 1937 by the U.S. Forest Service, and vegetation maps compiled in 1990 of the same areas by satellite imagery, and through 1991 areal photo interpretation combined with ground truthing. The study area includes nearly all of the drainage in Ephraim Canyon located in central Utah which consists of 6,027 acres (2,439 ha). Elevation ranges from 6,600 to 10,400 feet (2,040 to 3,210 m). Vegetation types ranged from pinyon-juniper woodland through …
Winter Habitat Selection By American Marten (Martes Americana) In Newfoundland: Why Old Growth?, Gary S. Drew
Winter Habitat Selection By American Marten (Martes Americana) In Newfoundland: Why Old Growth?, Gary S. Drew
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Although the American marten (Martes americana) generally is recognized as an obligate late-seral species, the factors dictating this association are poorly understood. Martens were studied in Newfoundland, Yellowstone National Park, and in a captive setting. As expected, use of habitat types was not proportional to availability P < 0.001). Defoliated and late-seral conifer stands were used more than expected, while all other types indicated expected or less than expected use. Habitat selection by martens was detectable at spatial scales greater than 80 m (P < 0.001).
Newfoundland martens were radio-collared and monitored for diet activity during the winters of 1990 and 1991. A regression of the percent active fixes on temperature had a negative slope (b = -4.45, P = 0.084, n = 12), indicating that martens did not minimize their exposure to low temperatures. A log-linear model suggested …
Competitive Interactions Between Two Closely Related Rhizomatous And Caespitose Perennial Grasses Under Varying Conditions, L. David Humphrey
Competitive Interactions Between Two Closely Related Rhizomatous And Caespitose Perennial Grasses Under Varying Conditions, L. David Humphrey
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Biomass, tiller numbers, flowering, and genet survival were accessed for the rhizomatous Elymus lanceolatus ssp. lanceolatus and caespitose E. l. ssp. wawawaiensis growing in mixtures with a range of densities of each taxon. Models of aboveground biomass of each taxon as a function of mixed densities were used to calculate competition indices. Tiller numbers and biomass of ssp. lanceolatus were higher than those of the caespitose taxon in the first year, but declined in the second year, while biomass and tiller numbers of ssp. wawawaiensis changed little. All tillers of ssp. wawawaiensis emerged in autumn; tillers of ssp. …
Identification Of Dna Markers In Triticum Aestivum-Aegilops Caudata Additions Lines By Randomly Amplified Polymorphic Dna (Rapd) Technology, Ling Wei
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The objective of this study was to identify DNA markers for each of six added C-genome chromosomes in Triticum aestivum L. cv. 'Alceso'-Aegilops caudata L. addition lines using the randomly amplified polymorphic DNA (RAPD) technique. DNA from Ae. caudata, T. aestivum, amphiploid of T. aestivum X Ae. caudata, and six disomic addition lines of wheat having a pair of Ae. caudata chromosomes was used as the template for the amplification of RAPD markers with a total of 58 random 10-mer oligonucleotide primers. Two primers, OPC-08 and OPJ-16, produced one intense band each from the amphiploid of …
Water-Wise Landscaping: Guide For Water Management Planning, Terry Keane
Water-Wise Landscaping: Guide For Water Management Planning, Terry Keane
All Archived Publications
No abstract provided.
Water-Wise Landscaping, Terry Keane
Water-Wise Landscaping, Terry Keane
All Current Publications
Land use, like a pendulum, has swung from sparse land settlements of Native Americans, with a reverence for nature, to sprawling developments of western settlers. The settlers’ intent was to “tame” the harsh western elements. The result was the introduction of soggy green English landscapes to the West
Water-Wise Landscaping, Terry Keane
Bedbugs, Alan H. Roe, Jay B. Karren
The Composting Process, Michael G. Pace, Bruce E. Miller, Kathryn L. Farrell-Poe
The Composting Process, Michael G. Pace, Bruce E. Miller, Kathryn L. Farrell-Poe
All Archived Publications
No abstract provided.
Utah's Grazing Lands: Sustaining A Vital Resource, Utah State University Extension
Utah's Grazing Lands: Sustaining A Vital Resource, Utah State University Extension
All Archived Publications
No abstract provided.
Biomass Of Food Available To Beavers On Five Minnesota Shrubs, Richard R. Buech, David J. Rugg
Biomass Of Food Available To Beavers On Five Minnesota Shrubs, Richard R. Buech, David J. Rugg
Aspen Bibliography
No abstract provided.
Pulpwood Production In The Lake States, 1993, Ronald J. Piva
Pulpwood Production In The Lake States, 1993, Ronald J. Piva
Aspen Bibliography
Pulpwood production in the Lake States increased from 8.8 million cords in 1992 to 9.4 million cords in 1993. Michigan, Minnesota, and Wisconsin pulpwood production is shown by county and species group.
Southern Idaho's Forest Land Outside National Forests, 1991, David C. Chojnacky
Southern Idaho's Forest Land Outside National Forests, 1991, David C. Chojnacky
Aspen Bibliography
No abstract provided.
Use Of Sulfometuron In Hybrid Popular Energy Plantations, Daniel A. Netzer
Use Of Sulfometuron In Hybrid Popular Energy Plantations, Daniel A. Netzer
Aspen Bibliography
No abstract provided.