Ornamentals Northwest Archives
نویسنده
چکیده
Plant symptoms caused by Pseudomonas syringae ...................................................1 Severity of Pseudomonas syringae ............................................................... ...2 Predisposing factors increase severity ........................................3 (Wounding, Plant Dormancy, Soil factors, Dual infections) ............... 3 Classification of Pseudomonas syringae Isolates...................................................5 Sources and survival of Pseudomonas syringae Inoculum ....................................... . 9 Buds and cankers, Systemic invasions, Latent infections, Epiphytes ..........10 Weeds and grasses, Soil ...................................................... .....11 Dissemination of Pseudomonas syringae Inoculum ...............................12 Host Specificity .......................................................................................13 Controls ............................................................................................. .1 4 Summary of control recommendations ...........................................................17
منابع مشابه
Ornamentals Northwest Archives
Many cultivars of ornamental conifers are difficult to propagate. Cuttings may root poorly and graft success may be highly variable even in the hands of skilled, experienced propagators. Because of these problems, we conducted a detailed study of the physiology of graft formation in Picea pungens 'Hoopsi' scions grafted on Picea abies rootstocks with the purpose of identifying factors limiting ...
متن کاملSeroepidemiological study of canine visceral leishmaniasis in Meshkin shahr, Northwest of Iran
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Hospital accessibility and infant death risk.
This study of all 4889 infant deaths within the cohort of all 287 993 births in Cumbria, northwest England (1950-93), found no evidence of an increased risk of infant death with greater travel time to hospitals.
متن کاملResponse of Additional Herbaceous Perennial Ornamentals to Meloidogyne hapla.
Twenty-nine herbaceous perennial ornamentals were evaluated for root galling after 2 months in soil infested with Meloidogyne hapla u n d e r greenhouse conditions. Plants such as Asclepias, Epimedium, Liriope, Lithospermura, Myosotis, Penstemon, Sidalecea, and Solidago did not have galls or egg masses present on the root system and were rated as resistant. Astrantia, Boltonia, Centranthus, and...
متن کاملDeveloping and Sustaining the Northwest Digital Archives
The Northwest Digital Archives is a union database of Encoded Archival Description (EAD) finding aids from institutions in Washington, Oregon, Idaho, Alaska, and Montana. [1] The purpose of the NWDA is to make information about collections of primary sources widely accessible to researchers over the Internet. This article will explore the selection and development of the NWDA database, the crea...
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