STUDIES ON THE CEREAL ECOSYSTEM
195
Potts, G. R. (1971b). Outl. Agric. 6, 267-271. Agriculture and Partridges.
Potts, G. R. (1973). J. Reprod. Fert. Suppl. 19, 391-402. Pesticides and the
fertility of the Grey Partridge.
Potts, G. R. and Vickerman, G. P. (1974) (in preas). In: Symp. Brit. Ecol. SOC.
“Degraded environments and resource renewal”. Arable ecosystems and the
use of agrochemicals.
Pulliainen, E. (1968). AnnaZea Zoologici Fennici 5, 179-187. Sex and age ratios
in a partridge population in Ostrobothnia, West Finland.
Ratcliffe, D. A. (1963). Bird Study 10, 56-90. The status of the Peregrine in
Ratcliffe, D. A. (1970). J. wppl. Ecol. 7 , 67-115. Changes attributable to pesticides in egg breakage frequency and eggshell thickness in some British
birds.
Raw, F. (1954). PI. Path. 3, 134-137. Observations on wheat bulb fly infestations
of Broadbalk wheat plots.
Raw, F. (1955). PZ. Path. 4, 114-117. The effect of soil conditions on wheat
bulb fly infestations.
Raw, F. (1967). Ann. wppl. Bwl. 59, 155-173. Some aspects of the wheat bulb
fly problem.
Ripper, W. E. (1956). Ann. Rev. Ent. 1, 403-438. Effect of pesticides on balance
of arthropod populations.
Roberts, H. A. (1963). Symp. Br. Weed Control Coumil 2 (1963), 73-82. The
problem of weed seeds in the soil.
Rosser, W. R. and Chadburn, B. L. (1968). PI. Path. 17, 51-60. Cereal diseases
and their effects on intensive wheat cropping in the East Midland Region,
1963-65.
Schroeder, W. T. and Prowidenti, R. (1969). PZ. Die. Reptr. 53, 271-275. Resistance to benomyl in powdery mildew in cucurbits.
Sharga, U. S. (1933). Ann. appl. Biol. 20, 308-326. Biology and life history of
Limothrips cerealium Haliday and Aptinothrips wfua Cmelin feeding on
Gramineae.
Shrubb, M. (1970). Bird Study 17, 1-15. The present status of the Kestrel in
sussex.
Simmonds, F. J. (1952). Bull. ent. Ree. 43, 503-542. Parasites of the frit fly
Oscinelkz frit (L.) in eastern N. America.
Skuhravy, V. (1959). Cas. caZ. Spol. ent. 56, 1-18. Potrava polnich strevlikovitych.
Slykhuis, J. T. and Watson, M. A. (1958). Ann. appl. Biol. 46, 542-553. Striate
mosaic of cereals in Europe and its transmission by Debpohaoodes pelluckh
(Fab.).
Smith, K. G. V. (1969). Handbk. Ident. Brit. Imects 10(2ai), 1-9. Diptera:
Lonchopteridae.
Smith, R. F. and Hagen, K. S. (1969). Hilgardk 29,131-154. Impact of commercial
insecticide treatments.
Snow, D. W. (1968). Bird Study 15, 65-83. Movements and mortality of British
Kestrels.
Southern H. N. (1964). “The Handbook of British Mammals”. Blackwell,
Oxford.
Southwood, T. R. E. (1966). “Ecologcal Methods”. Methuen, London.
Southwood, T. R. E. (1972). Proc. T d Timbers Conf. on Ecological Anim.
Cbntrol by Habit& Mgmt. (1971) 3, 29-51. Farm management in Britain and
its effect on animal populations.
Great Britain.
195
Potts, G. R. (1971b). Outl. Agric. 6, 267-271. Agriculture and Partridges.
Potts, G. R. (1973). J. Reprod. Fert. Suppl. 19, 391-402. Pesticides and the
fertility of the Grey Partridge.
Potts, G. R. and Vickerman, G. P. (1974) (in preas). In: Symp. Brit. Ecol. SOC.
“Degraded environments and resource renewal”. Arable ecosystems and the
use of agrochemicals.
Pulliainen, E. (1968). AnnaZea Zoologici Fennici 5, 179-187. Sex and age ratios
in a partridge population in Ostrobothnia, West Finland.
Ratcliffe, D. A. (1963). Bird Study 10, 56-90. The status of the Peregrine in
Ratcliffe, D. A. (1970). J. wppl. Ecol. 7 , 67-115. Changes attributable to pesticides in egg breakage frequency and eggshell thickness in some British
birds.
Raw, F. (1954). PI. Path. 3, 134-137. Observations on wheat bulb fly infestations
of Broadbalk wheat plots.
Raw, F. (1955). PZ. Path. 4, 114-117. The effect of soil conditions on wheat
bulb fly infestations.
Raw, F. (1967). Ann. wppl. Bwl. 59, 155-173. Some aspects of the wheat bulb
fly problem.
Ripper, W. E. (1956). Ann. Rev. Ent. 1, 403-438. Effect of pesticides on balance
of arthropod populations.
Roberts, H. A. (1963). Symp. Br. Weed Control Coumil 2 (1963), 73-82. The
problem of weed seeds in the soil.
Rosser, W. R. and Chadburn, B. L. (1968). PI. Path. 17, 51-60. Cereal diseases
and their effects on intensive wheat cropping in the East Midland Region,
1963-65.
Schroeder, W. T. and Prowidenti, R. (1969). PZ. Die. Reptr. 53, 271-275. Resistance to benomyl in powdery mildew in cucurbits.
Sharga, U. S. (1933). Ann. appl. Biol. 20, 308-326. Biology and life history of
Limothrips cerealium Haliday and Aptinothrips wfua Cmelin feeding on
Gramineae.
Shrubb, M. (1970). Bird Study 17, 1-15. The present status of the Kestrel in
sussex.
Simmonds, F. J. (1952). Bull. ent. Ree. 43, 503-542. Parasites of the frit fly
Oscinelkz frit (L.) in eastern N. America.
Skuhravy, V. (1959). Cas. caZ. Spol. ent. 56, 1-18. Potrava polnich strevlikovitych.
Slykhuis, J. T. and Watson, M. A. (1958). Ann. appl. Biol. 46, 542-553. Striate
mosaic of cereals in Europe and its transmission by Debpohaoodes pelluckh
(Fab.).
Smith, K. G. V. (1969). Handbk. Ident. Brit. Imects 10(2ai), 1-9. Diptera:
Lonchopteridae.
Smith, R. F. and Hagen, K. S. (1969). Hilgardk 29,131-154. Impact of commercial
insecticide treatments.
Snow, D. W. (1968). Bird Study 15, 65-83. Movements and mortality of British
Kestrels.
Southern H. N. (1964). “The Handbook of British Mammals”. Blackwell,
Oxford.
Southwood, T. R. E. (1966). “Ecologcal Methods”. Methuen, London.
Southwood, T. R. E. (1972). Proc. T d Timbers Conf. on Ecological Anim.
Cbntrol by Habit& Mgmt. (1971) 3, 29-51. Farm management in Britain and
its effect on animal populations.
Great Britain.