Zobrazeno 1 - 10
of 27
pro vyhledávání: '"N L, Robertson"'
Autor:
K. L. Brown, N. L. Robertson
Publikováno v:
Plant disease. 93(4)
Wild larkspur, Delphinium glaucum S. Watson, grows throughout most of Alaska along roadsides and in forests and is planted as an ornamental. Leaves containing distinct vein-clearing and chlorotic mosaic symptoms were first noticed on several D. glauc
Publikováno v:
Plant disease. 93(6)
Peonies (Paeonia sp.) are highly valued for their large showy flowers in home gardens and commercially in the cut flower industry. In 2007, scattered peony (Paeonia lactiflora ‘Sarah Bernhardt’) plants cultivated on small plots at the University
Autor:
N. L. Robertson
Publikováno v:
Plant disease. 96(3)
Apple mosaic virus (ApMV; family Bromoviridae, genus Ilarvirus) is one of the oldest and most economically important viruses of apples (Malus × domestica Borkh.) (1,3). Yield losses may vary from negligible to as much as 50%, depending on the affect
Publikováno v:
Acta Horticulturae. :237-242
Alaska’s domesticated and native Ribes and Rubus genera have virtually gone unchecked for pathogen detections. Cultivated Ribes species are predominantly found in home gardens and landscape areas along highways and in cities. In 2008, while surveyi
Publikováno v:
Acta Horticulturae. :73-76
A world collection of Ribes species and cultivars is maintained by the U.S. Department of Agriculture, Agricultural Research Service, National Plant Germplasm System (NPGS). The NPGS is a cooperative effort by State, Federal, and private organization
Autor:
N. L. Robertson, Roy French
Publikováno v:
Archives of Virology. 152:891-902
The genetic structure of natural populations of Alaskan barley yellow dwarf virus (BYDV)-PAV, BYDV-PAS, and cereal yellow dwarf virus (CYDV)-RPV from barley (Hordeum vulgare L.) and oats (Avena sativa L.) in Alaska were analyzed between 2002 and 2004
Autor:
N. L. Robertson
Publikováno v:
Canadian Journal of Botany. 83:1257-1267
The etiology of a previously unknown disease of Streptopus amplexifolius (L.) DC. (twisted stalk) that occurred in south central Alaska was elucidated. Symptomatic plants with yellow-green dashes and streaks on their leaves contained distinct viruses
Autor:
N. L. Robertson
Publikováno v:
Plant Pathology. 53:569-576
A new virus named Nootka lupine vein-clearing virus (NLVCV) was isolated from Lupinus nootkatensis plants that were confined to a relatively small area in the Talkeetna mountains of south-central Alaska. Annual surveys (2000‐03) consistently found
Publikováno v:
Evidence-Based Practice. 19:8-9
Autor:
Clarice J. Coyne, N. L. Robertson
Publikováno v:
Plant Genetic Resources. 7:227-229
Plant viruses pose a threat to the acquisition, maintenance and distribution of lupin germplasm (genusLupinus, familyFabaceae). The availability of sufficient quantities of healthy and virus-free seeds from maintained lupin collections is mandatory f