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Eliminating Phytophthora spp. from stream water throughout the year with algaecides. 23 Aug 2013 | 02:40 am
Due to the aquatic nature of oomycetes, Phytophthora spp. can be found in a wide variety of waterways in and around natural and agricultural ecosystems"including forest streams, urban streams, and irr...
Survey of Eastern U.S. native Rhododendron spp. for antagonistic endophytes towards Phytophthora ramorum 23 Aug 2013 | 02:20 am
Rhododendron maximum L. and R. catawbiense Michx. are two species that are native to the eastern United States. They can be found throughout the Appalachian Mountain range and during bloom are very im...
First results with a lab-on-a-chip system for a fast Phytophthora diagnosis. 23 Aug 2013 | 02:16 am
For Phytophthora spp. that are quarantine or regulated organisms, highly specific and sensitive diagnostic tools are recommended for surveys and monitoring. Furthermore, these diagnostic techniques sh...
Infection of five Phytophthora ramorum hosts in response to increasing inoculum levels 23 Aug 2013 | 02:10 am
The objective of this work was to establish inoculum density relationships between Phytophthora ramorum and selected hosts based on whole plant inoculations. Knowledge of levels of initial inoculum ne...
Effect of fungicides and biocontrol agents on inoculum production and persistence of Phytophthora ramorum on nursery hosts 23 Aug 2013 | 02:06 am
Once Phytophthora ramorum is introduced into a nursery on a host, its local spread and establishment is primarily dependent on sporangia and zoospore production. Nursery operators commonly use fungici...
Effect of environmental conditions and lesion age on sporulation of Phytophthora ramorum on California bay laurel, rhododendron, and camellia 23 Aug 2013 | 01:58 am
The objective of our research was to determine the environmental conditions and lesion age favorable for Phytophthora ramorum sporulation under field conditions. For 2 years, new camellia, rhododendro...
Effect of herbicides on production of inoculum and root colonization of plants infected with Phytophthora ramorum 23 Aug 2013 | 01:55 am
In Oregon, efforts to eradicate Phytophthora ramorum from forested areas have included use of herbicides to kill infected plants. Use of herbicides on disease-infected plants leads to various outcomes...
Germination of Phytophthora ramorum chlamydospores: a comparison of separation method and chlamydospore age 23 Aug 2013 | 01:49 am
Phytophthora ramorum characteristically produces large amounts of chlamydospores in vitro, but the role of these propagules in the disease cycle remains unclear. Germination is difficult to observe an...
Stream baiting in southern Louisiana for Phytophthora ramorum 23 Aug 2013 | 01:42 am
The use of stream monitoring is an important method for early detection of Phytophthora ramorum. Five different waterway locations representing different ecosystems and potential P. ramorum inoculum s...
The effects of salinity on Phytophthora ramorum viability and infectivity 23 Aug 2013 | 01:37 am
Phytophthora ramorum, a threat to eastern United States forests, has been found in waterways outside the boundaries of infested ornamental nurseries in states other than California and Oregon. Very li...
