D. J. Royle

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New 145 kV dead tank spring operated circuit breaker

D. J. Royle, A. R. Penfold, 1994 .

The Place of Multiple Regression Analysis in Modern Approaches to Disease Control1)

D. J. Royle, D. J. Burr, 1979 .

Pathogenic specialization in Melampsora epitea var. epitea on Salix

D. J. Royle, M. Pei, T. Hunter, 1996 .

Influence of crop growth and structure on the risk of epidemics by Mycosphaerella graminicola (Septoria tritici) in winter wheat

D. J. Royle, S. R. Parker, T. Hunter, 1997 .

Reliable measurement of disease severity

D. J. Royle, S. R. Parker, S. Parker, 1995 .

Estimation and validation of a function describing the rate at which Mycosphaerella graminicola causes yield loss in winter wheat

D. J. Royle, Michael W. Shaw, M. Shaw, 1989 .

Current status of integrated farming systems research in Western Europe

D. J. Royle, Pieter Vereijken, 1989 .

Factors determining the severity of epidemics of Mycosphaerella graminicola (Septoria tritici) on winter wheat in the UK

D. J. Royle, M. Shaw, 1993 .

The assessment of infectious disease for brown rust (Puccinia hordei) of barley

D. J. Royle, R. M. Beresford, R. Beresford, 1991 .

Multiple Regression Analysis in the Epidemiology of Plant Diseases

D. J. Royle, D. J. Butt, 1974 .

The reliability of visual estimates of disease severity on cereal leaves

D. J. Royle, S. R. Parker, Michael W. Shaw, 1995 .

Relationships between leaf emergence and latent period for leaf rust (Puccinia hordei) on spring barley, and their significance for disease monitoring

D. J. Royle, R. Beresford, 1988 .

A new method for disease-loss studies used to estimate effects of Pyrenophom teres and Rhynchosporium secalis on winter barley yields

D. J. Royle, M. Shaw, 1987 .

SCANNING ELECTRON MICROSCOPY OF PLANT SURFACE MICRO-ORGANISMS

D. J. Royle, 1976 .

Factors affecting zoospore responses towards stomata in hop downy mildew (Pseudoperonospora humuli) including some comparisons with grapevine downy mildew (Plasmopara viticola)

D. J. Royle, G. Thomas, 1973 .

Observations with the scanning electron microscope on the early stages of hop leaf infection by Pseudoperonospora humuli

D. J. Royle, G. Thomas, 1971 .

ANALYSIS OF FACTORS GOVERNING IN VITRO ACCUMULATION OF ZOOSPORES OF PYTHIUM APHANIDERMATUM ON ROOTS: I. BEHAVIOR OF ZOOSPORES

D. J. Royle, C. Hickman, 1964 .

ANALYSIS OF FACTORS GOVERNING IN VITRO ACCUMULATION OF ZOOSPORES OF PYTHIUM APHANIDERMATUM ON ROOTS: II. SUBSTANCES CAUSING RESPONSE

D. J. Royle, C. Hickman, 1964 .

Diseases and pests in energy crop plantations

D. J. Royle, M. Hubbes, 1992 .

Isolation and characterization of microsatellite loci in the wheat pathogen Mycosphaerella graminicola.

D. J. Royle, K. Edwards, A. Karp, 1998, Molecular ecology.

CHAPTER 9 – Structural Features of Resistance to Plant Diseases

D. J. Royle, 1976 .

Measurements of spatial patterns of disease in winter wheat crops and the implications for sampling

D. J. Royle, M. Shaw, S. Parker, 1997 .

Airborne inoculum as a major source of Septoria tritici (Mycosphaerella graminicola) infections in winter wheat crops in the UK

D. J. Royle, M. Shaw, 1989 .

OBSERVATIONS ON PHYTOPHTHORA CINNAMOMI

D. J. Royle, C. Hickman, 1964 .

Hybridization in larch-alternating Melampsora epitea (M. larici-epitea)

D. J. Royle, M. Pei, T. Hunter, 1999 .

Quantitative relationships between infection by the hop downy mildew pathogen, Pseudoperonospora hutnuli, and weather and inoculum factors

D. J. Royle, 1973 .

Infection periods in relation to the natural development of hop downy mildew (Pseudoperonospora humuli)

D. J. Royle, 1970 .

The importance of terms and definitions for a conceptually unified epidemiology

D. J. Royle, D. J. Butt, 1980 .

Diurnal and seasonal fluctuations in spore concentrations of airborne hop pathogens.

D. J. Royle, 1967 .

Analysis of relationships between weather factors and concentrations of airborne sporangia of Pseudoperonospora humuli

D. J. Royle, G. E. Thomas, 1972 .

Pest and disease models in forecasting, crop loss appraisal and decision-supported crop protection systems.

D. J. Royle, R. Rabbinge, C. Fluckiger, 1988 .

Variation in populations of Melampsora willow rust and the implications for design of short rotation coppice plantations.

D. J. Royle, M. Pei, S. Parker, 1997 .

Identity and host alternation of some willow rusts (Melampsora spp.) in England

D. J. Royle, M. Pei, T. Hunter, 1993 .

Saving Septoria fungicide sprays: the use of disease forecasts.

D. J. Royle, M. Shaw, 1986 .

Spatial distributions of Septoria nodorum and S. tritici within crops of winter wheat

D. J. Royle, M. Shaw, 1987 .

Disease and pest control in the bioenergy crops poplar and willow

D. J. Royle, M. Ostry, 1995 .

A comparative study of stem- and leaf-infecting forms of Melampsora rust on Salix viminalis in the U.K.

D. J. Royle, M. Pei, T. Hunter, 1995 .

Pathogenicity to willow rust, Melampsora epitea, of the mycoparasite Sphaerellopsis filum from different sources

D. J. Royle, M. Pei, T. Hunter, 1999 .

Distinction between stem- and leaf-infecting forms of Melampsora rust on Salix viminalis using RAPD markers

D. J. Royle, Nigel G Halford, M. Pei, 1997 .

Eudarluca caricis, the teleomorph of the mycoparasite Sphaerellopsis filum, on blackberry rust Phragmidium violaceum

D. J. Royle, M. Pei, T. Hunter, 1998 .

Variation in the occurrence of rust (Melampsora spp.) and other diseases and pests, in short‐rotation coppice plantations of Salix in the British Isles

D. J. Royle, T. Hunter, G. Arnold, 1996 .

How effective is Sphaerellopsis filum as a biocontrol agent of Melampsora willow rust

D. J. Royle, S. Parker, M. J. Whelan, 1997 .

Host-pathogen relationship between Salix and Melampsora sheds light on the parentage of some biomass willows

D. J. Royle, M. Pei, T. Hunter, 1999 .

The influence of stomatal opening on the infection of hop leaves by Pseudoperonospora humuli

D. J. Royle, G. Thomas, 1971 .

Overwintering of Sphaerotheca humuli, the cause of hop powdery mildew

D. J. Royle, A. Liyanage, 1976 .

Hop Black Root‐rot (Phytophthra citricola Sawada) in England

D. J. Royle, 1968 .

The law of the minimum and the relation between pathogen, weather, and disease.

D. J. Royle, P. Waggoner, W. A. Norvell, 1980 .