Keyphrases
United States
100%
Hybrid Hazelnut
100%
Corylus Avellana L.
100%
Corylus Americana
100%
Hazelnut
60%
Upper Midwest
40%
Nebraska
40%
Development Effort
40%
Breeding Progress
40%
Orchard
40%
Hybrid Cultivars
40%
University of Minnesota
20%
Genetic Diversity
20%
Nursery
20%
Disease Resistance
20%
Growers
20%
Disease Resistant
20%
Interspecific Hybridization
20%
Cold Region
20%
Planting Stock
20%
Forest Service
20%
Production Region
20%
Cold Temperature
20%
Breeder
20%
University of Wisconsin
20%
Hazelnut Production
20%
Plant Material
20%
Poor Quality
20%
Commercially Viable
20%
Americana
20%
Average Yields
20%
Commercial Quality
20%
Clonal Propagation
20%
Lower Average
20%
Temperature Limitation
20%
University of Missouri
20%
European Hazelnut
20%
Wide Adaptation
20%
Clonal Plant
20%
Rutgers University
20%
Oregon State University
20%
Intermittent Breeding
20%
Early Breeding
20%
Controlled Mating
20%
Adaptation to Cold
20%
Multiple Organizations
20%
Open-pollinated Seeds
20%
Anisogramma Anomala
20%
Eastern Filbert Blight
20%
Arbor Day
20%
Hazelnut Cultivars
20%
Resistance Adaptation
20%
Multilocations Yield Trials
20%
Agricultural and Biological Sciences
Corylus avellana
100%
Corylus Americana
100%
Hazelnut
100%
Cultivar
40%
Seeds
30%
Americans
10%
Growers
10%
Anomala
10%
Blight
10%
Disease Resistance
10%
Interspecific Hybridization
10%
Genetic Variability
10%
Genetic Divergence
10%