Zobrazeno 1 - 10
of 257
pro vyhledávání: '"R M Davis"'
Autor:
Christopher S. Edwards, Vlada Stamenkovic, Duane P. Moser, Darmindra D. Arumugam, Brian H. Wilcox, Ana-Catalina Plesa, Woodward W. Fischer, Giuseppe Etiope, John F. Mustard, Magdalena R. Osburn, Ryan Woolley, P. Boston, Jennifer G. Blank, John A. Baross, Nathaniel E. Putzig, I. Cooper, B. Menez, Atsuko Kobayashi, Michael Tuite, B. Sherwood Lollar, Victoria J. Orphan, Kris Zacny, Joseph L. Kirschvink, Luther W. Beegle, Rohit Bhartia, J. D. Tarnas, Tom Komarek, William B. Brinckerhoff, Pietro Baglioni, Lewis M. Ward, Daniel P. Glavin, Michael Malaska, Mariko Burgin, Haley M. Sapers, Michael J. Russell, Michael A. Mischna, Fumio Inagaki, Velibor Cormarkovic, Robert E. Grimm, R. M. Davis, J. J. Plaut, Tilman Spohn, M. S. Bell, Joseph R. Michalski, Karyn L. Rogers, D. Viola, Lynn J. Rothschild, Doris Breuer, Nathan Barba, Tullis C. Onstott, Alfonso F. Davila
Publikováno v:
Nature Astronomy. 3:116-120
The surface of Mars has been well mapped and characterized, yet the subsurface — the most likely place to find signs of extant or extinct life and a repository of useful resources for human exploration — remains unexplored. In the near future thi
Autor:
R. M. Davis, J. Nunez
Publikováno v:
Acta Horticulturae. :175-182
Autor:
R. M. Davis, H. Wang
Publikováno v:
Plant disease. 81(9)
The susceptibility of 12 Upland cotton cultivars to three soilborne fungi, Pythium ultimum, Rhizoctonia solani, and Thielaviopsis basicola, was evaluated in greenhouse experiments. Based on symptom development and seedling survival, cultivars highly
Autor:
R. M. Davis, Maria R. Rojas, R.F. Stewart, F. J. Sundstrom, K. Kimble, Robert L. Gilbertson, P. Guzman
Publikováno v:
Plant disease. 81(7)
During the 1996 growing season (June to September) an outbreak of bean common mosaic was detected in a navy bean field (cv. Snow Bunting) in Colusa County, CA. Early field inspections (August 1996) revealed an incidence of 5 to 10% infection, whereas
Publikováno v:
Plant disease. 81(6)
Chlorothalonil was applied 2, 4, 6, 2 and 4, or 4 and 6 weeks prior to tomato harvest in fields in four counties in California over a 3-year period to assess the economic benefits of chlorothalonil applications, if any, on the reduction of black mold
Publikováno v:
Plant disease. 82(8)
Alternaria radicina, causal agent of black rot disease of carrot, was recovered from soil by plating dilutions on a semi-selective medium, A. radicina semi-selective agar. The efficiency of this soil assay was 93% based on recovery of the fungus from
Autor:
R. M. Davis, B. J. Aegerter
Publikováno v:
Plant disease. 82(11)
Damping-off of broccoli (Brassica oleracea var. italica) and cauliflower (B. oleracea var. botrytis) seedlings occurred in several greenhouses in Fresno, CA, in 1997. Symptoms included wilting and root and stem rot. Pythium polymastum was consistentl
Publikováno v:
Plant disease. 82(11)
The relationship between levels of carrot (Daucus carota subsp. sativus) seed contamination with Xanthomonas campestris pv. carotae and (i) establishment of populations of X. campestris pv. carotae on carrot leaves and (ii) the incidence and severity
Autor:
C. R. Arredondo, R. M. Davis
Publikováno v:
Plant disease. 84(3)
Symptoms of bacterial speck have occurred sporadically in California since 1993 on tomato (Lycopersicon esculentum) cultivars that possess the PTO gene for resistance to Pseudomonas syringae pv. tomato race 0. In 1998, the disease was found on numero
Autor:
R. M. Davis, Robert W. Sandrock, J. S. Miller, Christine D. Smart, T. Y. Lee, William E. Fry, Philip B. Hamm, P. D. Gavino
Publikováno v:
Plant disease. 84(7)
Phytophthora infestans isolates (n = 26) collected in the Columbia Basin of Oregon and Washington in 1993, which had been characterized previously for mating type, metalaxyl sensitivity, and alleles at the glucose-6-phosphate isomerase locus, were an