Author

Steve A. Tjosvold

Observed names: S A Tjosvold, S. A. Tjosvold, S. Tjosvold, S.A. Tjosvold, Steve Tjosvold

Observed institutions: University of California, Santa Cruz, University of California System, University of California, Davis

OpenAlex ID: A5031165002

Pitch canker threatens California pines.

1987 · A. H. McCain, C. S. Koehler, et al. · DOAJ (DOAJ: Directory of Open Access Journals) · 101

Fungal pathogen controls thrips in greenhouse flowers

1998 · Brook C. Murphy, Tunyalee A. Morisawa, et al. · California Agriculture · 35

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Disease on Nursery Stock as Affected by Environmental Factors and Seasonal Inoculum Levels of Phytophthora ramorum in Stream Water Used for Irrigation

2008 · S. A. Tjosvold, D. L. Chambers, et al. · Plant Disease · 33

A New Root and Crown Rot Disease of Heath in California Caused by Cylindrocladium pauciramosum

1999 · S. T. Koike, D. M. Henderson, et al. · Plant Disease · 20

Disease Risk of Potting Media Infested with Phytophthora ramorum Under Nursery Conditions

2009 · S. A. Tjosvold, D. L. Chambers, et al. · Plant Disease · 19

A Blight Disease of Dill in California Caused by Itersonilia perplexans

2001 · S. T. Koike, S. A. Tjosvold · Plant Disease · 17

Evaluation of Fungicides for the Control of Phytophthora ramorum Infecting Rhododendron, Camellia, Pieris, and Viburnum

2008 · S. A. Tjosvold, S. T. Koike, et al. · Plant Health Progress · 16

Nursery Guide for Diseases Caused by Phytophthora ramorum on Ornamentals: Diagnosis and Management.

2005 · S A Tjosvold, K R Buermeyer, et al. · 15

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Irrigation of Rosa Hybrida L. ‘kardinal’ Based on Soil Moisture Tension Increases Productivity and Flower Quality

2001 · L.R. Oki, J.H. Lieth, et al. · Acta Horticulturae · 12

Evaluation of fungicides for the control of Phytophthora ramorum infecting Rhododendron , Camellia , Viburnum , and Pieris

2006 · S. A. Tjosvold, D. L. Chambers, et al. · 10

Evaluation of Reduced Risk and Other Biorational Fungicides on the Control of Powdery Mildew on Greenhouse Roses

2001 · S. Tjosvold, S.T. Koike · Acta Horticulturae · 10

Downy Mildew Caused by Peronospora radii on Marguerite Daisy (Argyranthemum frutescens) in California

2004 · S. T. Koike, D. Fogle, et al. · Plant Disease · 8

Rust Disease of Oregano and Sweet Marjoram in California

1998 · S. T. Koike, K. V. Subbarao, et al. · Plant Disease · 8

Epidemiology of Phytophthora ramorum infecting rhododendrons under simulated nursery conditions

2006 · S. A. Tjosvold, D. L. Chambers, et al. · 6

Importance of rainfall and sprinkler irrigation in supporting sporulation, spread of inoculum in runoff-water, and new infections of Phytophthora ramorum under field conditions

2010 · S. A. Tjosvold, David Chambers, et al. · 5

Phytophthora Leaf Spot and Foliar Blight of Pieris japonica Caused by Phytophthora citricola in California

2005 · S. T. Koike, G. T. Browne, et al. · Plant Disease · 5

Outbreak of Leaf Spot of Saponaria Caused by Alternaria saponariae in California

1999 · S. T. Koike, D. M. Henderson, et al. · Plant Disease · 5

Improving irrigation systems conserves water in greenhouse-grown cut flowers

1999 · Kurt Schulbach, Steve Tjosvold, et al. · California Agriculture · 5

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Seasonal symptom expression, laboratory detection success, and sporulation potential of Phytophthora ramorum on rhododendron and camellia

2008 · S. A. Tjosvold, David Chambers, et al. · 4

First Occurrence of Downy Mildew on Digitalis purpurea (Common Foxglove), Caused by Peronospora digitalidis, in California and the United States

2002 · S. A. Tjosvold, S. T. Koike · Plant Disease · 3

First Occurrence of Downy Mildew of Statice, Caused by Peronospora statices, in California and the Rest of the United States

1998 · S. T. Koike, P. A. Nolan, et al. · Plant Disease · 3

First Report of Phytophthora ramorum Infecting Camellia Flower Buds in North America

2006 · Steve A. Tjosvold, David L. Chambers, et al. · Plant Health Progress · 2

First Report of Downy Mildew on Delphinium Caused by Peronospora ficariae in California

2003 · S. A. Tjosvold, S. T. Koike · Plant Disease · 2

Evaporation pan scheduling: How to reduce water use and maximize yields in greenhouse roses

1991 · Steve A. Tjosvold, Kurt Schulbach · California Agriculture · 2

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New Invasive Pest Detected in Santa Cruz County: The Polyphagous Shot Hole Borer

2014 · Ask Laura, S. A. Tjosvold · 1

Works count: 34

Citation count: 349

H-index: 10

I10-index: 11