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United States Department of Agriculture

Agricultural Research Service

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Research Project: Determining Impact of Soil Environment and Root Function on Horticultural Crop Productivity and Quality

Location: Horticultural Crops Research

Project Number: 5358-21000-042-00-D
Project Type: In-House Appropriated

Start Date: Mar 1, 2011
End Date: Dec 26, 2013

Objective 1: Determine nutrient requirements to enhance product quality in woody perennial crops such as grapevine and rhododendron. Objective 2: Characterize the role of mycorrhizal taxonomic diversity and identify important root-mycorrhizal interactions in cropping systems. Objective 3: Enhance product quality by optimizing crop management practices that promote overall root function to satisfy nutrient requirements in woody perennial crops. Objective 4: Integrate new and existing small fruit cultivars into efficient, environmentally acceptable production systems.

Determine the relationships between nutrient uptake, plant performance, and fruit quality of Pinot noir grapevines. Characterize the interactions between N use efficiency and plant quality and performance in container-grown nursery plants. Characterize the role of taxonomic and functional diversity of mycorrhizal fungi in grapevine cropping systems. Determine the interactions between plant resource allocation patterns, plant development, and production quality of geophyte nursery crops as affected by mycorrhizal fungi. Determine optimal methods for water application to improve efficiency of nutrient use and plant performance of grapevines and container-grown ericaceous plants. Characterize the influence of management practices on mycorrhizal fungi wthin winegrape and nursery crop production systems.

Last Modified: 10/16/2017
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