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Recent Achievements and New Research Opportunities for Optimizing Macronutrient Availability, Acquisition, and Distribution for Perennial Fruit Crops

Here, we highlight recent advancements and identify knowledge gaps in nutrient dynamics across the soil–rhizosphere–tree continuum for fruit crops.

RosBREED: bridging the chasm between discovery and application to enable DNA-informed breeding in rosaceous crops

This review presents a synopsis of the approach, deliverables, and impacts of RosBREED, highlighting synergistic global collaborations and future needs. Enabling technologies and tools developed…

Optimization of a Method for the Concentration of Genetic Material in Bacterial and Fungal Communities on Fresh Apple Peel Surfaces

Apples are the most consumed fruit in the United States and have recently been shown to exhibit some vulnerability to contamination across the supply chain.…

Apple Scion and Rootstock Contribute to Nutrient Uptake and Partitioning under Different Belowground Environments

Soil environment strongly contributes to tree growth and development, affecting nutrient and water uptake. Composite woody perennials, like apple, are a combination of two genetically…

Optimization of Light Interception, Leaf Area and Yield in “WA38”: Comparisons among Training Systems, Rootstocks and Pruning Techniques

As apple orchards have transitioned to high-density plantings, proper training systems are required to manage increased leaf area. Leaf area index (LAI) is defined as…

Compost Use For Tree Fruit

Compost can help improve soil quality and nutrient, water, and pest regulation. High-quality soil holds water and nutrients like a sponge, slowly releasing them over…

Soil Health in Orchards

Orchard soil health, or soil quality, is the capacity of soil to support productive trees over time without negatively affecting the surrounding environment. Soil health…

Perceptions and outcomes of conventional vs. organic apple orchard management

Highlights: Management goals were similar for organic and conventional apple orchards; Organic orchards employed more selective pesticide programs; Conventional and organic orchards did not differ…

Tree Fruit Soil Fertility and Plant Nutrition in Cropping Orchards in Central Washington

Healthy trees need healthy roots to take up water and nutrients; healthy soils to provide water, nutrients, and protection from plant pathogens; sufficient water; and…

Fire blight in the plant nursery

This article discusses recommendations for preventing fire blight from arriving in your nursery, and for cleaning up the disease, should infected plants be detected there.
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Washington State University