Professor Peter Ayres

Emeritus

Variation in the responses of litter and phylloplane fungi to UV-B radiation.
Moody, S.A., Newsham, K.K., Ayres, P.G., Paul, N.D. 11/1999 In: Mycological Research. 103, 11, p. 1469-1477. 9 p.
Journal article

Response of barley and pea crops to supplementary UV-B radiation.
Stephen, J., Woodfin, R., Corlett, J.E., Paul, N.D., Jones, H.G., Ayres, P.G. 05/1999 In: Journal of Agricultural Science. 132, 3, p. 253-261. 9 p.
Journal article

Effects of enhanced UV-B radiation on pea (Pisum sativum L) grown under field conditions in the United Kingdom.
Mepsted, R., Stephen, J., Corlett, J.E., Nogues, S., Ayres, P.G., Jones, H.G., Baker, N.R., Paul, N.D. 1996 In: Global Climate Change. 2, p. 325-334. 10 p.
Journal article

The effect of natural and simulated insect herbivory, and leaf age, on the process of infection of Rumex crispus L. and R. obtusifolius L. by Uromyces rumicis (Schum.) Wint.
Ayres, P.G., Hatcher, P.E., Paul, N.D. 06/1995 In: New Phytologist. 130, 2, p. 239-249. 11 p.
Journal article

Variation in susceptibility and tolerance within and between populations of Tussilago farfara L. infected by Coleosporium tussilaginis (Pers.) Berk.
de Nooij, M.P., Paul, N.D., Ayres, P.G. 01/1995 In: New Phytologist. 129, 1, p. 117-123. 7 p.
Journal article

Interactions between Rumex spp.; herbivores and a rust fungus: the effect of Uromyces rumicis infection on leaf nutritional quality.
Hatcher, P.E., Paul, N.D., Ayres, P.G., Whittaker, J.B. 1995 In: Functional Ecology. 9, 1, p. 97-105. 9 p.
Journal article

Variation in responses of spores of Septoria tritici and S. nodorum to UV-B irradiation in vitro.
Rasanayagam, M.S., Paul, N.D., Royle, D.J., Ayres, P.G. 1995 In: Mycological Research. 99, 11, p. 1371-1377. 7 p.
Journal article

Water and solutes in host: pathogen relations.
Ayres, P.G. 1995 In: Aspects of Applied Biology. 42, p. 161-167. 7 p.
Journal article

Interactions between Rumex spp.; herbivores and a rust fungus Gastrophysa viridula grazing reduced subsequent infection by Uromyces rumicis.
Hatcher, P.E., Paul, N.D., Ayres, P.G., Whittaker, J.B. 1994 In: Functional Ecology. 8, 2, p. 265-272. 8 p.
Journal article

The effect of a foliar disease (rust) on the development of Gastrophysa viridula (Coleoptera: Chrysomelidae).
Hatcher, P.E., Paul, N.D., Ayres, P.G., Whittaker, J.B. 1994 In: Ecological Entomology. 19, 4, p. 349-360. 12 p.
Journal article

The effect of an insect herbivore and a rust fungus individually, and combined in sequence, on the growth of two Rumex species.
Hatcher, P.E., Paul, N.D., Ayres, P.G., Whittaker, J.B. 1994 In: New Phytologist. 128, 1, p. 71-78. 8 p.
Journal article

Mycoherbicides and other biocontrol agents for Senecio spp.
Paul, N.D., Ayres, P.G., Hallett, S.G. 1993 In: Pesticide Science. 37, 4, p. 323-329. 7 p.
Journal article

Changes in abundance and infectivity of powdery mildew conidia from cucumber plants treated systemically with lithium chloride.
Abood, J.K., Ayres, P.G., Losel, D.M. 1992 In: Plant Pathology. 41, 3, p. 255-261. 7 p.
Journal article

Effects of Fungal Infection Sites on the Distribution of Fungicides.
Humphreys, S.P., Ayres, P.G. 1992 In: Pesticide Science. 34, 2, p. 183-186. 4 p.
Journal article

Effects of shepherd's purse (Capsella bursa-pastoris L. Medic.) on the growth of radish (Raphanus sativus L.).
Perera, K.K., Ayres, P.G. 1992 In: Weed Research. 32, 5, p. 329-335. 7 p.
Journal article

Invasion of rust (Puccinia lagenophorae) aecia on groundsel (Senecio vulgaris) by secondary pathogens: death of host.
Hallett, S.G., Ayres, P.G. 1992 In: Mycological Research. 96, 2, p. 142-144. 3 p.
Journal article

Making biological herbicides more effective.
Paul, N.D., Ayres, P.G. 1992 In: Journal of Biological Education. 26, p. 94-99. 6 p.
Journal article

Root growth and the relative importance of root and shoot competition in interactions between rice (Oryza sativa) and Echinocloa crus-galli.
Perera, K.K., Ayres, P.G., Gunasena, H.P.M. 1992 In: Weed Research. 32, 1, p. 67-76. 10 p.
Journal article

Tripartite interactions between docks (Rumex SPP) a pathogen and an insect herbivore.
Hatcher, P.E., Paul, N.D., Ayres, P.G., Whittaker, J.B. 1992 In: Journal of Experimental Botany. 43, Supple, p. P8.25.
Journal article

Changes in tissue freezing in Senecio vulgaris infected by Rust (Puccinia lagenophorae)
Paul, N., AYRES, P.G. 08/1991 In: Annals of Botany. 68, 2, p. 129-133. 5 p.
Journal article

The effects of infection by powdery mildew (Erysiphe Graminis f.sp. hordei) and low temperature on the respiratory activity of winter barley.
McAinsh, M.R., Ayres, P.G., Hetherington, A.M. 07/1991 In: Physiological and Molecular Plant Pathology. 39, 1, p. 13-23. 11 p.
Journal article

Weeding with fungi
AYRES, P., Paul, N. 1/09/1990 In: New Scientist. 127, 1732, p. 36-39. 4 p.
Journal article

Conidial germination of Botrytis cinerea in relation to aeciospores and aecia of groundsel rust (Puccinia lagenophorae)
HALLETT, S.G., Hutchinson, P., Paul, N., AYRES, P.G. 07/1990 In: Mycological Research. 94, 5, p. 603-606. 4 p.
Journal article

The effect of brown rust and phosphate on cold acclimation in winter barley.
McAinsh, M.R., Ayres, P.G., Hetherington, A.M. 07/1990 In: Annals of Botany. 66, 1, p. 101-110. 10 p.
Journal article

Responses of rust (Puccinia lagenophorae Cooke) to nutrient supply in groundsel (Senecio vulgaris L.) and effects of infection on host nutrient relations
Paul, N., LAXMI, K.A., AYRES, P.G. 05/1990 In: New Phytologist. 115, 1, p. 99-106. 8 p.
Journal article

Effects of interactions between nutrient supply and rust infection of Senecio vulgaris L. on competition with Capsella bursa-pastoris (L.) Medic.
Paul, N., AYRES, P.G. 04/1990 In: New Phytologist. 114, 4, p. 667-674. 8 p.
Journal article

The effect of soil phosphate on injury to winter barley caused by mildew infection (Erysiphe graminis f.sp. hordei).
McAinsh, M.R., Ayres, P.G., Hetherington, A.M. 04/1990 In: Annals of Botany. 65, 4, p. 417-423. 7 p.
Journal article

Botrytis cinerea kills groundsel (Senecio vulgaris) infected by rust (Puccinia lagenophorae)
HALLETT, S.G., Paul, N., AYRES, P.G. 01/1990 In: New Phytologist. 114, 1, p. 105-109. 5 p.
Journal article

On the use of fungicides for experimentation in natural vegetation
Paul, N., AYRES, P.G., WYNESS, L.E. 1989 In: Functional Ecology. 3, 6, p. 759-769. 11 p.
Journal article

The respiration of protoplasts from leaves of barley infected by powdery mildew (Erysiphe graminis f.sp. hordei).
McAinsh, M.R., Ayres, P.G., Hetherington, A.M. 1989 In: Plant Science. 64, 2, p. 221-230. 10 p.
Journal article

Nutrient Relations of Groundsel (Senecio vulgaris) Infected by Rust (Puccinia lagenophorae) at a Range of Nutrient Concentrations I. Concentrations, Contents and Distribution of N, P and K
Paul, N., AYRES, P.G. 04/1988 In: Annals of Botany. 61, 4, p. 489-498. 10 p.
Journal article

Nutrient Relations of Groundsel (Senecio vulgaris) Infected by Rust (Puccinia lagenophorae) at a Range of Nutrient Concentrations II. Uptake of N, P and K and Shoot-Root Interactions
Paul, N., AYRES, P.G. 04/1988 In: Annals of Botany. 61, 4, p. 499-506. 8 p.
Journal article

Effects of rust infection of Senecio vulgaris on competition with lettuce
Paul, N., AYRES, P.G. 12/1987 In: Weed Research. 27, 6, p. 431-441. 11 p.
Journal article

Water-stress modifies intraspecific interference between rust (Puccinia-Lagenophorae Cooke)-infected and healthy groundsel (Senecio-Vulgaris L)
Paul, N., AYRES, P.G. 07/1987 In: New Phytologist. 106, 3, p. 555-566. 12 p.
Journal article

Survival, Growth and Reproduction of Groundsel (Senecio Vulgaris) Infected by Rust (Puccinia Lagenophorae) in the Field During Summer
Paul, N., AYRES, P.G. 03/1987 In: Journal of Ecology. 75, 1, p. 61-71. 11 p.
Journal article

The impact of a pathogen (Puccinia-Lagenophorae) on populations of Groundsel (Senecio-Vulgaris) overwintering in the field: 1. mortality, vegetative growth and the development of size hierarchies
Paul, N., AYRES, P.G. 12/1986 In: Journal of Ecology. 74, 4, p. 1069-1084. 16 p.
Journal article

The impact of a pathogen (Puccinia-Lagenophorae) on populations of Groundsel (Senecio-Vulgaris) overwintering in the field: 2. reproduction
Paul, N., AYRES, P.G. 12/1986 In: Journal of Ecology. 74, 4, p. 1085-1094. 10 p.
Journal article

Interference between healthy and rusted groundsel (Senecio-Vulgaris L) within mixed populations of different densities and proportions
Paul, N., AYRES, P.G. 10/1986 In: New Phytologist. 104, 2, p. 257-269. 13 p.
Journal article

The Effects of Infection by Rust (Puccinia lagenophorae Cooke) on the Growth of Groundsel (Senecio vulgaris L.) Cultivated under a Range of Nutrient Concentrations
Paul, N., AYRES, P.G. 09/1986 In: Annals of Botany. 58, 3, p. 321-331. 11 p.
Journal article

The Effects of Nutrient Deficiency and Rust Infection on the Relationship Between Root Dry Weight and Length in Groundsel (Senecio vulgaris L.)
Paul, N., AYRES, P.G. 03/1986 In: Annals of Botany. 57, 3, p. 353-360. 8 p.
Journal article

Seasonal effects on rust disease (Puccinia-Lagenophorae) of Senecio-Vulgaris
Paul, N., AYRES, P.G. 1986 In: Symbiosis. 2, 1-3, p. 165-173. 9 p.
Journal article

Water relations and growth of rust-infected Groundsel (Puccinia-Lagenophorae Cooke - Senecio-Vulgaris L) during and after exposure to freezing soil temperatures
Paul, N., AYRES, P.G. 1985 In: Physiological and Molecular Plant Pathology. 27, 2, p. 185-196. 12 p.
Journal article

Effects of rust and post-infection drought on photosynthesis, growth and water relations in groundsel
Paul, N., AYRES, P.G. 12/1984 In: Plant Pathology. 33, 4, p. 561-569. 9 p.
Journal article

Effects of Mildew and Nitrogen on Grain Yield of Barley Artifically Infected in the Field
WALTERS, D.R., Paul, N., AYRES, P.G. 07/1984 In: Annals of Botany. 54, 1, 4 p.
Comment/debate