D. Alex Johnson
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Biology
D. Alex Johnson's Degrees
- PhD Ecology Stanford University
- Masters Biology University of California, Berkeley
- Bachelors Biology University of California, Berkeley
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(Suggest an Edit or Addition)D. Alex Johnson's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Coping with herbivory: Photosynthetic capacity and resource allocation in two semiarid Agropyron bunchgrasses (1981) (308)
- Five Reasons to Consider Phytophthora infestans a Reemerging Pathogen. (2015) (196)
- Glaucousness in Wheat: Its Development and Effect on Water-use Efficiency, Gas Exchange and Photosynthetic Tissue Temperatures* (1986) (168)
- Genetic structure of natural populations of the nitrogen-fixing bacterium Rhizobium meliloti (1990) (156)
- Productivity, Respiration, and Light-Response Parameters of World Grassland and Agroecosystems Derived From Flux-Tower Measurements (2010) (150)
- AFLP and pedigree-based genetic diversity estimates in modern cultivars of durum wheat [Triticum turgidum L. subsp. durum (Desf.) Husn.] (2002) (140)
- SEASONAL CHANGES IN CARBON FRACTIONS IN ALASKAN TUNDRA PLANTS OF DIFFERING GROWTH FORM: IMPLICATIONS FOR HERBIVORY (1986) (129)
- High genetic diversity, phenotypic uniformity, and evidence of outcrossing in sclerotinia sclerotiorum in the columbia basin of washington state. (2004) (123)
- Organization of the 5S rRNA genes in the soybean Glycine max (L.) Merrill and conservation of the 5S rDNA repeat structure in higher plants. (1990) (109)
- Aggressiveness of Isolates of Phytophthora infestans from the Columbia Basin of Washington and Oregon. (1998) (108)
- Epidemiology and management of the diseases causal to asparagus decline. (1996) (104)
- Trichome Secretion Composition, Trichome Densities, and Spider Mite Resistance of Ten Accessions of Lycopersicon hirsutum (1989) (95)
- Potato Late Blight in the Columbia Basin: An Economic Analysis of the 1995 Epidemic. (1997) (83)
- The Glu residue in the conserved Asn-Glu-Pro sequence of two highly divergent endo-beta-1,4-glucanases is essential for enzymatic activity. (1990) (76)
- Root architecture and biomass allocation of three range grasses in response to nonuniform supply of nutrients and shoot defoliation (1999) (76)
- Characterization of the Phytophthora infestans Population in the Columbia Basin of Oregon and Washington from 1992 to 1995. (1997) (74)
- Potato late blight forecasting models for the semiarid environment of south-central Washington (1996) (64)
- The botany, origin, and spread of the cashew Anacardium occidentale L. (1973) (57)
- Carbon isotope discrimination, photosynthetic gas exchange, and transpiration efficiency in beans and range grasses (1990) (55)
- Efficient validation of single nucleotide polymorphisms in plants by allele-specific PCR, with an example from barley (2003) (53)
- The molecular diversity of the 5S rRNA gene in barley (Hordeum vulgare). (1994) (48)
- Molecular cloning, expression, and characterization of endo-beta-1,4-glucanase genes from Bacillus polymyxa and Bacillus circulans (1990) (46)
- The 5S rRNA gene units in ancestral two-rowed barley (Hordeum spontaneum C. Koch) and bulbous barley (H. bulbosum L.): sequence analysis and phylogenetic relationships with the 5S rDNA units of cultivated barley (H. vulgare L.). (1996) (46)
- The 5S rRNA gene in sea barley (Hordeum marinum Hudson sensu lato): sequence variation among repeat units and relationship to the X haplome in barley (Hordeum). (1998) (45)
- Vegetative Compatibility and Pathogenicity of Verticillium dahliae from Spearmint and Peppermint. (2001) (45)
- Effects of wounding and wetting duration on infection of potato foliage by Colletotrichum coccodes (1993) (44)
- Inheritance of slow rusting of barley infected with Puccinia hordei and selection of latent period and number of uredia. (1979) (43)
- The isolation of high-molecular-weight DNA from plants. (1987) (43)
- Evaluation of various diets for optimal growth and survival of selected life stages of Artemia (1980) (41)
- Inferring outcrossing in the homothallic fungus Sclerotinia sclerotiorum using linkage disequilibrium decay (2014) (38)
- Forage Yield and Quality in a Great Basin Shrub, Grass, and Legume Pasture Experiment. (1982) (37)
- Vegetative Compatibility Groups and Aggressiveness of North American Isolates of Colletotrichum coccodes, the Causal Agent of Potato Black Dot. (2006) (36)
- Defining orthologous groups among multicopy genes prior to inferring phylogeny, with special emphasis on the Triticeae (Poaceae). (2004) (36)
- Effect of Seed-Tuber Generation, Soilborne Inoculum, and Azoxystrobin Application on Development of Potato Black Dot Caused by Colletotrichum coccodes. (2005) (34)
- Distribution and development of black dot, Verticillium wilt, and powdery scab on Russet Burbank potatoes in Washington State. (1993) (34)
- Recovery ofVerticillium dahliae from North American certified seed potatoes and characterization of strains by vegetative compatibility and aggressiveness (2000) (32)
- Improvement of perennial herbaceous plants for drought-stressed western rangelands. (1980) (31)
- Morphological and physiological responses of the invasive weed Isatis tinctoria to contrasting light, soil-nitrogen and water. (2005) (31)
- Quantification of the retrotransposon BARE-1 reveals the dynamic nature of the barley genome. (2006) (30)
- Phylogenetic relationships among diploid Aegilops species inferred from 5S rDNA units. (2009) (30)
- Genetic and phenotypic diversity and random association of DNA markers of isolates of the fungal plant pathogen Sclerotinia sclerotiorum from soil on a fine geographic scale (2012) (29)
- Verticillium dahliae Infects, Alters Plant Biomass, and Produces Inoculum on Rotation Crops. (2016) (29)
- Genetic diversity among barley cultivars assessed by sequence-specific amplification polymorphism (2005) (29)
- Construction and characterization of multicopy plasmids containing the entire F transfer region. (1980) (28)
- The 5S rRNA gene in wall barley (Hordeum murinum L. sensu lato): sequence variation among repeat units and relationship to the Y haplome in the genus Hordeum (Poaceae: Triticeae). (1999) (27)
- Screening for improved stand establishment in Russian wild ryegrass. (1980) (27)
- Detection, Quantification, and Vegetative Compatibility of Verticillium dahliae in Potato and Mint Production Soils in the Columbia Basin of Oregon and Washington. (2008) (27)
- Mitochondrial DNA variation among geographical populations of the screwworm fly, Cochliomyia hominivorax. (1988) (27)
- Cloning of F DNA fragments carrying the origin of transfer oriT and the fertility inhibition gene finP. (1981) (26)
- Colonization of Potato Plants after Aerial Infection by Colletotrichum coccodes, Causal Agent of Potato Black Dot. (2006) (26)
- Development of Sclerotinia Stem Rot in Potato Fields in South-Central Washington. (2004) (25)
- lambda-Transducing phages carrying transfer genes isolated from an abnormal prophage insertion into the traY gene of F. (1983) (25)
- Synthesis of F-pilin polypeptide in the absence of F traJ product. (1984) (25)
- Control of Downy Mildew of Hops (1983) (25)
- Effects of Tuber Depth and Soil Moisture on Infection of Potato Tubers in Soil by Phytophthora infestans. (2005) (24)
- Competitive Fitness of Phytophthora infestans Isolates Under Semiarid Field Conditions. (2000) (23)
- Kikuyu and annual pasture: a characterisation of a productive and sustainable beef production system on the South Coast of Western Australia (2003) (23)
- Effects of wounding and wetting duration on infection of asparagus by Stemphylium vesicarium (1986) (23)
- Soil and plant water relations in a crested wheatgrass pasture: response to spring grazing by cattle (1987) (23)
- Soil Water Status Affects the Stomata1 (1986) (22)
- Phylogenetic relationships among the polyploid and diploid Aegilops species inferred from the nuclear 5S rDNA sequences (Poaceae: Triticeae). (2012) (21)
- Constraints on Tundra Productivity: Photosynthetic Capacity in Relation to Solar Radiation Utilization and Water Stress in Arctic and Alpine Tundras (1978) (19)
- Analysis of Genetic Diversity in Barley Cultivars Reveals Incongruence Between S-SAP, SNP and Pedigree Data (2007) (19)
- Nodulation and Acetylene Reduction by Certain Rangeland Legume Species under Field Conditions (1981) (18)
- Identification and Characterization of Resistance to Phytophthora infestans in Leaves, Stems, Flowers, and Tubers of Potato Clones in the Pacific Northwest. (2004) (18)
- Field nodulation and acetylene reduction activity of high-altitude legumes in the western United States (1986) (17)
- Genetic variability for characters affecting stand establishment in crested wheatgrass. (1983) (16)
- Annual medics and related species as reseeding legumes for northern Utah pastures. (1986) (14)
- Relationship between silver scurf levels on seed and progeny tubers from successive generations of potato seed (2006) (14)
- Wheats waxy bloom fights off drought (1983) (14)
- Characterization of a novel glycine-rich protein from the cell wall of maize silk tissues (2006) (14)
- Tn2301, a transposon construct carrying the entire transfer region of the F plasmid (1980) (14)
- Loss of 5S rDNA units in the evolution of Agropyron, Pseudoroegneria, and Douglasdeweya. (2008) (13)
- Plant improvement for semi-arid rangelands: Possibilities for drought resistance and nitrogen fixation (1981) (12)
- Influence of Timing of Harvest in Relation to Haulm Killing and Planting Date on Potato Tuber Rot Caused by Phytophthora infestans. (2002) (12)
- Effects of Soil-Applied Late Blight Foliar Fungicides on Infection of Potato Tubers by Phytophthora infestans. (2006) (12)
- Analysis of a hotspot for deletion formation within the intron of the chloroplast trnI gene. (1996) (12)
- Effects of temperature and relative humidity on sporangium production of Pseudoperonospora humuli on hop (1985) (12)
- Identification of Canadian durum wheat [Triticum turgidum L. subsp. durum (Desf.) Husn.] cultivars using AFLP and their STS markers (2002) (12)
- What does the nr5S DNA multigene family tell us about the genomic relationship between Dasypyrumbreviaristatum and D. villosum (Triticeae: Poaceae)? (2014) (12)
- Assessment ofsolatium hougasii in Washington and Mexico as a source of resistance to late blight (2007) (11)
- Interrelationships between Meloidogyne hapla and Phytophthora megasperma f.sp. medicaginis in seedling damping-off and root infection of alfalfa. (1990) (11)
- Distribution and symbiotic effectiveness of Rhizobium meliloti in rangeland soils of the Intermountain West. (1987) (11)
- Sprinkler selection for line-source irrigation systems (1987) (10)
- Variation in Epicuticular Wax Content of Alfalfa Cultivars and Clones1 (1986) (10)
- First Report in Washington State of the Teleomorph of Stemphylium vesicarium, the Causal Agent of Purple Spot of Asparagus (1987) (9)
- Survival of Sporangia of New Clonal Lineages of Phytophthora infestans in Soil Under Semiarid Conditions. (2007) (9)
- Genotype x Competition Level Interactions in Crested Wheatgrass (Agropyron desertorum Poaceae: Triticeae) (1997) (9)
- Expansion of Cankers Caused by Leucostoma cincta on Sweet Cherry Trees. (1997) (8)
- Effect of rust on yield of susceptible and resistant asparagus cultivars. (1992) (8)
- Spatial pattern of downy mildew in hop yards. (1988) (8)
- What does the 5S rRNA multigene family tell us about the origin of the annual Triticeae (Poaceae)? (2013) (8)
- Etiology of canker and dieback of sweet cherry trees in Washington state (1990) (7)
- First Report of Pectobacterium wasabiae Causing Aerial Stem Rot of Potato in Washington State. (2012) (7)
- Factors affecting conidial exudation and survival, and ascospore germination of Leucostoma cincta (1995) (7)
- Screening Alfalfa Germplasm for Seedling Drought Resistance 1 (1981) (7)
- First Report of Purple Spot (Stemphylium vesicarium) of Asparagus in Washington. (1984) (7)
- Feasibility of selecting for resistance to kernel discolouration in barley. (1980) (7)
- Changes in Alfalfa Cultivars Grown in a Semiarid Environment 1 (1983) (6)
- Mitochondrial DNA restriction site map of Cochliomyia macellaria (Diptera:Calliphoridae). (1996) (6)
- International Association for Ecology Coping with Herbivory : Photosynthetic Capacity and Resource Allocation in Two Semiarid (2008) (6)
- Construction of transposons carrying the transfer functions of RP4. (1988) (6)
- Structure of the 5S rRNA genes in birch (Betula papyrifera) and alder (Alnus incana). (1992) (5)
- Susceptibility of Weedy Hosts from Pacific Northwest Potato Production Systems to Crop-Aggressive Isolates of Verticillium dahliae. (2017) (5)
- Paired Rhizobia General and Specific Effects on Subterranean Clover Seedling Growth (1990) (5)
- Cherry Irradiation Studies. 1984 annual report (1985) (5)
- First report of zucchini yellow mosaic virus in Cucurbita pepo in the Pacific Northwest. (1988) (5)
- Herring silage as a protein supplement for young cattle (1991) (5)
- Sequence variation in the β7–β8 loop of bacterial class A sortase enzymes alters substrate selectivity (2021) (4)
- First Report of Tobacco etch virus Infection in Coleus in the United States. (2010) (4)
- Pathological Relationship of Meloidogyne hapla and Phytophthora megasperma F. Sp. Medicaginis in Medicago sativa L.: Importance of Inoculation Timing, Soil Texture, and Temperature (1993) (4)
- Populations of Rhizobium Meliloti in Areas with Rangeland Alfalfa (1987) (4)
- Diversity within the genus Elymus (Poaceae: Triticeae) as investigated by the analysis of the nr5S rDNA variation in species with St and H haplomes (2015) (4)
- Incidence and yield impact of Eutypa dieback of grapevine in Washington State. (1987) (3)
- Characterization ofR. fredii QB1130, a strain effective on commercial soybean cultivars (1987) (3)
- Yeast soft rot of onion in the Walla Walla Valley of Washington and Oregon (1989) (3)
- The detection of leghemoglobin-line sequences in legumes and non-legumes (1985) (3)
- Rust resistance in asparagus F1 hybrid populations. (1993) (3)
- Field acetylene reduction rates of Lupinus argenteus along an elevational gradient (1991) (3)
- Factors influencing the decomposition of HEDP by chlorine (1987) (2)
- Evaluation of Solanum sisymbriifolium as a Potential Inoculum Source of Verticillium dahliae and Colletotrichum coccodes. (2017) (2)
- A soft rot of onion caused by the yeast Kluyveromyces marxianus var. marxianus (1988) (2)
- Report of Colletotrichum coccodes Associated with Mentha. (2002) (2)
- SCAR markers that discriminate between Dasypyrum species and cytotypes (2017) (2)
- Structural and biochemical analyses of selectivity determinants in chimeric Streptococcus Class A sortase enzymes (2021) (2)
- Expression of β-galactosidase in Rhizobium japonicum (1985) (1)
- White rust of seed radish. (1990) (1)
- Occurrence of Kluyveromyces marxianus var. marxianus Causing Onion Soft Rot in the Columbia Basin of Washington State. (2007) (1)
- Nodulation and acetylene reduction by two legumes with rhizobia indigenous to northern Great Basin soils (1984) (1)
- SIX-ROWED SPRING MALTING BARLEY CULTIVARS CAN BE IDENTIFIED BY SINGLE NUCLEOTIDE POLYMORPHISMS (SNP) AS DETECTED BY ALLELE-SPECIFIC PCR (2008) (1)
- Disease Gradients of Late Blight of Potato from Infrared Images of Commercial Fields (2020) (1)
- A second specificity-determining loop in Class A sortases: Biochemical characterization of natural sequence variation in chimeric SrtA enzymes (2021) (1)
- The Effect of Alfalfa Residue Incorporation on Soil Bacterial Communities and the Quantity of Verticillium dahliae Microsclerotia in Potato Fields in the Columbia Basin of Washington State, USA (2018) (1)
- First Report of Blackleg Caused by Leptosphaeria maculans on Canola in Idaho. (2013) (1)
- Redestribution of air applied fungicides potato canopies (1996) (0)
- The Low Potential of Teff (Eragrostis tef) as an Inoculum Source for Verticillium dahliae (2017) (0)
- Carbon isotope discrimination, photosynthetic gas exchange, and transpiration efficiency in beans and range grasses [Agropyron desertorum] (1990) (0)
- Maize dwarf mosaic virus in sweet corn in Washington State. (1984) (0)
- The Low Potential of Teff (Eragrostis tef) as an Inoculum Source for Verticillium dahliae (2018) (0)
- Vascular Plants and Communities of the St.George Armory, Utah (2007) (0)
- Collection and domestication of rangeland plants with emphasis on Mongolia and China. (2008) (0)
- Populations of Rhizo bium meZiZoti in Areas with Rangeland (1999) (0)
- Endangered Species Management Plan for theDwarf Bearclaw Poppy (Arctomecon humilis Coville) at the St. George Armory (1999) (0)
- 120 INSULIN-DEPENDENT DIABETES MELLITUS : A STUDY OF NUTRIENT INTAKE (2014) (0)
- Effect of a water-soluble guar root extract on spore germination and mycelial growth of various fungi. (1980) (0)
- Determination of the sizes of DNA fragments cloned into M13 without DNA purification. (1991) (0)
- Ecological Site Applications on U.S. MilitaryInstallations: A Case Study from Northern Utah.). (2012) (0)
- SCAR markers that discriminate between Dasypyrum species and cytotypes (2016) (0)
- Disease Gradients of Late Blight of Potato from Infrared Images of Commercial Fields (2020) (0)
- Sclerotinia stem rot on potato. (1994) (0)
- Investigation of Plant Genes Expressed During Symbiotic Nitrogen Fixation (1987) (0)
- The Effect of Alfalfa Residue Incorporation on Soil Bacterial Communities and the Quantity of Verticillium dahliae Microsclerotia in Potato Fields in the Columbia Basin of Washington State, USA (2017) (0)
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