scholarly journals Ungulate herbivores reduce fruit production of shrubs in dry conifer forests of the interior Pacific Northwest, USA

Food Webs ◽  
2020 ◽  
Vol 25 ◽  
pp. e00172
Author(s):  
Bryan A. Endress ◽  
Joshua P. Averett
Keyword(s):  
Pacific Northwest ◽  
Fruit Production ◽  
Conifer Forests

Seeding Herbs to Enhance Cervid Forage and Reforestation in Pacific Northwest Conifer Forests

1996 ◽  
Vol 3 (2-3) ◽  
pp. 29-44
Author(s):  
James M. Becker ◽  
Timothy Quinn ◽  
Kenneth J. Raedeke
Keyword(s):  
Pacific Northwest ◽  
Conifer Forests

scholarly journals Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

2017 ◽  
Vol 146 (1-2) ◽  
pp. 159-171 ◽  
Author(s):  
Laurie Houston ◽  
Susan Capalbo ◽  
Clark Seavert ◽  
Meghan Dalton ◽  
David Bryla ◽  
...  
Keyword(s):  
Pacific Northwest ◽  
Fruit Production ◽  
Adaptation Strategies ◽  
Changing Climate ◽  
The Pacific

scholarly journals Erratum to: Specialty fruit production in the Pacific Northwest: adaptation strategies for a changing climate

2017 ◽  
Vol 146 (1-2) ◽  
pp. 173-173
Author(s):  
Laurie Houston ◽  
Susan Capalbo ◽  
Clark Seavert ◽  
Meghan Dalton ◽  
David Bryla ◽  
...  
Keyword(s):  
Pacific Northwest ◽  
Fruit Production ◽  
Adaptation Strategies ◽  
Changing Climate ◽  
The Pacific

scholarly journals Climate change and chill accumulation: implications for tree fruit production in cold winter regions.

2021 ◽  
Author(s):  
Hossein Noorazar ◽  
Lee Kalcsits ◽  
Vincent P. Jones ◽  
Matthew S. Jones ◽  
Kirti Rajagopalan
Keyword(s):  
Climate Change ◽  
Pacific Northwest ◽  
Complex Dynamics ◽  
Management Strategies ◽  
Fruit Production ◽  
Spatial And Temporal Variation ◽  
New Production ◽  
Spring Phenology ◽  
Production Region ◽  
Tree Fruit

Abstract Winter chill accumulation is critical for the productivity and profitability of perennial tree fruit systems. Several studies have quantified the impacts of global warming on chill accumulation in the warmer tree fruit and nut production regions of the world, where insufficient chill events are currently prevalent and the frequency of these events is increasing. In contrast, we focus on an important tree fruit production region with relatively cold winters and current absence of insufficient chill events, and quantify the potential for introduction of these risks under climate change and understand the key drivers and management implications. Our case study is the Pacific Northwest United States (PNW)- the leading apple producing region in the county. Our results identify large spatial variations in response within the PNW, with chill accumulation projected to increase in northern areas but decrease in southern areas. There is also spatial and temporal variation in the driving factors resulting in changes to chill accumulation. Our results highlight that with warming, colder regions can potentially shift from being regions where the spring phenology is primarily forcing-driven to one where the chilling and forcing processes significantly overlap and the dynamic interplay between these processes become important. These complex dynamics potentially create new production risks which have not historically been a concern and necessitate planning for management strategies such as overhead irrigation for cooling and chemical management of budbreak. Future work should focus on understanding, modelling and projecting responses across these overlapping chilling and forcing processes. Additionally, given significant spatial differences across a relatively small geographic range, it is also critical to understand and model these dynamics at a local landscape resolution for regions such as the PNW.

scholarly journals High Risk Strawberry Viruses by Region in the United States and Canada: Implications for Certification, Nurseries, and Fruit Production

Plant Disease ◽  
2013 ◽  
Vol 97 (10) ◽  
pp. 1358-1362 ◽  
Author(s):  
Robert R. Martin ◽  
Ioannis E. Tzanetakis
Keyword(s):  
High Risk ◽  
North America ◽  
Pacific Northwest ◽  
The United States ◽  
Fruit Production ◽  
Limited Information ◽  
The Pacific ◽  
Nursery Production ◽  
Control Virus ◽  
Prevalent Virus

There is limited information about the distribution of strawberry viruses in North America and around the world. Since the turn of the century, there has been a concerted effort to develop sensitive tests for many of the previously uncharacterized, graft-transmissible agents infecting strawberry. These tests were employed to determine the presence of strawberry viruses in major strawberry production and nursery areas of North America. The viruses evaluated in this study were Apple mosaic, Beet pseudo-yellows, Fragaria chiloensis latent, Strawberry chlorotic fleck, Strawberry crinkle, Strawberry latent ring spot, Strawberry mild yellow edge, Strawberry mottle, Strawberry necrotic shock, Strawberry pallidosis, Strawberry vein banding, and Tobacco streak. The aphid-borne viruses were predominant in the Pacific Northwest whereas the whitefly-borne viruses were prevalent in California, the Midwest, and the Southeast. In the Northeast, the aphid-transmitted Strawberry mottle and Strawberry mild yellow edge viruses along with the whitefly-transmitted viruses were most common. The incidence of pollen-borne viruses was low in most areas, with Strawberry necrotic shock being the most prevalent virus of this group. These results indicate that there are hotspots for individual virus groups that normally coincide with the presence of the vectors. The information presented highlights the high-risk viruses for nursery production, where efforts are made to control all viruses, and fruit production, where efforts are made to control virus diseases.

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