Search Results - "Demchak, K."
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Seasonal occurrence of spotted wing drosophila in various small fruits and berries in Pennsylvania and Maryland
Published in Journal of applied entomology (1986) (01-02-2017)“…Spotted wing drosophila (SWD) (Drosophila suzukii), a major invasive pest of small fruit crops, was first found in Pennsylvania and Maryland during the 2011…”
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Small fruit production in high tunnels in the US
Published in Acta horticulturae (01-01-2013)“…High tunnel production of small fruit crops in the US varies widely as related to extent and objective of tunnel use. On the west coast, large-scale high…”
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Interactive Effects of Mycorrhizal Inoculation and Organic Soil Amendments on Nitrogen Acquisition and Growth of Highbush Blueberry
Published in Journal of the American Society for Horticultural Science (01-09-2002)“…The ability of mycorrhizal and nonmycorrhizal `Elliott' highbush blueberry ( Vaccinium corymbosum L.) plants to acquire soil N under different preplant organic…”
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A Multistate Comparison of Native Octoploid Strawberries from North and South America
Published in Journal of the American Society for Horticultural Science (01-09-2001)“…An elite group of 38 strawberry accessions representing all subspecies of the beach strawberry [ Fragaria chiloensis (L.) Miller] and the scarlet strawberry (…”
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Mycorrhizal infection and plant growth of highbush blueberry in fumigated soil following soil amendment and inoculation with mycorrhizal fungi
Published in HortScience (01-12-1998)“…A field trial was conducted to investigate the effectiveness of soil fumigation on maintaining nonmycorrhizal status and the effect of mycorrhizal inoculation…”
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Assessing Organic Nitrogen Acquisition of Ericoid Mycorrhizae in Highbush Blueberry (Vaccinium corymbosum L.) Plants by Using an 15N Tracer
Published in HortScience (01-06-1998)“…The ability of mycorrhizal highbush blueberry plants to acquire soil organic nitrogen under different organic amendment regimes was investigated in a field…”
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Nitrogen Acquisition Efficiency of Ericoid Mycorrhizae in High-bush Blueberry (Vaccinium corymbosum L.) Plants
Published in HortScience (01-06-1998)“…In laboratory and growth room experiments, protease activity among a diverse group of ericoid mycorrhizal fungi (isolated from two native and two commercial…”
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The Effect of Varying Cultural Practices on the Location of Mycorrhizal Infection within the Rhizosphere of Highbush Blueberry Plants
Published in HortScience (01-08-1996)“…Previous experiments in the laboratory and the field have suggested that location of mycorrhizal infection within the rhizosphere of blueberry plants may…”
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Canada Revs up for New Emissions Goals
Published in Frontiers in ecology and the environment (01-05-2005)Get full text
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Flourishing Phytoplankton Hint at Global Climate Change
Published in Frontiers in ecology and the environment (01-04-2005)Get full text
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Development of an Inoculation Protocol for Ericoid Mycorrhizae
Published in HortScience (01-07-1995)“…Past experiments have proven that meristem tip-cultured blueberry plantlets are extremely difficult to inoculate using laboratory-grown cultures of existing…”
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Evaluation of Cultural Practices for Potential to Control Strawberry Sap Beetle (Coleoptera: Nitidulidae)
Published in Journal of economic entomology (01-06-2008)“…Strawberry sap beetle, Stelidota geminata (Say) (Coleoptera: Nitidulidae), adults and larvae feed on and contaminate marketable strawberry (Fragaria L.) fruit…”
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Evaluation of Strawberry Sap Beetle (Coleoptera: Nitidulidae) Use of Habitats Surrounding Strawberry Plantings as Food Resources and Overwintering Sites
Published in Environmental entomology (01-10-2007)“…The matrix of strawberry and alternate host crops, wooded areas, and uncultivated sections that comprises a farm landscape provides not only food resources but…”
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Inoculation of strawberries with AM fungi produced on-farm increased yield
Published in Biological agriculture & horticulture (2008)“…Inoculation of plants with arbuscular mycorrhizal [AM] fungi has the potential to increase or maintain yields and allow for reduced fertilizer and pesticide…”
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Yield responses and nutrient uptake of broccoli as affected by lime type and fertilizer
Published in Journal of the American Society for Horticultural Science (01-09-1990)“…In a 3-year study with broccoli [Brassica oleracea var. botrytis (L.) Mill. cv. Green Comet], NP or NPK fertilizer at rates of 56N-56P-OK, 56N-56P-56K, and…”
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Production System for Horticultural Crops Grown in the Penn State High Tunnel
Published in HortTechnology (Alexandria, Va.) (01-04-2003)“…At the Pennsylvania State University (Penn State) High Tunnel Research and Education Facility, a system of production of high-value horticultural crops in high…”
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Understanding gastroesophageal reflux disease
Published in Nursing (Jenkintown, Pa.) (01-10-2003)“…Chronic gastric reflux can cause problems at any age. Find out how to recognize this disorder and help a patient manage it…”
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