Works by CLEMENTS, R O

Results: 32

Grass growth in different parts of England in relation to invertebrate numbers and pesticide treatment.

Published in:

Grass & Forage Science, 1977, v. 32, n. 2, p. 89, doi. 10.1111/j.1365-2494.1977.tb01418.x

By:

HENDERSON, I. F.;
CLEMENTS, R. O.

Publication type:

Article

The effect of a short-persistence systemic insecticide on the yield of perennial ryegrass.

Published in:

Grass & Forage Science, 1976, v. 31, n. 1, p. 15, doi. 10.1111/j.1365-2494.1976.tb01109.x

By:

HENDERSON, I. F.;
CLEMENTS, R. O.

Publication type:

Article

THE EFFECT OF PESTICIDES ON THE YIELD AND BOTANICAL COMPOSITION OF A NEWLY-SOWN RYEGRASS LEY AND OF AN OLD MIXED PASTURE.

Published in:

Grass & Forage Science, 1974, v. 29, n. 3, p. 185, doi. 10.1111/j.1365-2494.1974.tb01249.x

By:

Henderson, I. F.;
Clements, R. O.

Publication type:

Article

Studies on the Sitona spp. and Apion spp. weevils feeding on white clover foliage at a site in S.E. England

Published in:

Journal of Applied Entomology, 1992, v. 113, n. 5, p. 437

By:

Clements, R. O.;
Wiech, K.

Publication type:

Article

The impact of the chemical removal of the hedge-base flora on the community structure of carabid beetles (Col., Carabidae) and spiders (Araneae) of the field and hedge bottom

Published in:

Journal of Applied Entomology, 1992, v. 113, n. 4, p. 398

By:

Hanks, C. B.;
Asteraki, E. J.;
Clements, R. O.

Publication type:

Article

Studies on the Sitona spp. and Apion spp. weevils feeding on white clover foliage at a site in S. E. England.

Published in:

Journal of Applied Entomology, 1992, v. 113, n. 1-5, p. 437, doi. 10.1111/j.1439-0418.1992.tb00686.x

By:

Wiech, K.;
Clements, R. O.

Publication type:

Article

The impact of the chemical removal of the hedge-base flora on the community structure of carabid beetles (Col., Carabidae) and spiders (Araneae) of the field and hedge bottom.

Published in:

Journal of Applied Entomology, 1992, v. 113, n. 1-5, p. 398, doi. 10.1111/j.1439-0418.1992.tb00680.x

By:

Asteraki, E. J.;
Hanks, C. B.;
Clements, R. O.

Publication type:

Article

Field resistance to stem-boring larvae (Oscinella spp.) of some ryegrass (Lolium perenne and L. multiflorum) cultivars when newly-sown

Published in:

Journal of Applied Entomology, 1991, v. 111, n. 1-5, p. 57

By:

van Emden, H. F.;
Clements, R. O.;
Clear Hill, B. H.

Publication type:

Article

Effects of a range of pesticides on the carabid beetle Pterostichus melanarius (III.) using a microplot technique

Published in:

Journal of Applied Entomology, 1990, v. 109, n. 5, p. 463, doi. 10.1111/j.1439-0418.1990.tb00077.x

By:

Turner, A. S.;
Clements, R. O.;
Bale, J. S.

Publication type:

Article

Mortality of Oscinella spp. due to parasitism in insecticide treatedand untreated ryegrass reseeds

Published in:

Journal of Applied Entomology, 1988, v. 105, n. 2, p. 154, doi. 10.1111/j.1439-0418.1988.tb00170.x

By:

Moore, D.;
Ridout, M. S.;
Clements, R. O.

Publication type:

Article

Earthworm communities in conventional wheat monocropping and low-input wheat-clover intercropping systems.

Published in:

Annals of Applied Biology, 2001, v. 138, n. 3, p. 377, doi. 10.1111/j.1744-7348.2001.tb00123.x

By:

SCHMIDT, O;
CURRY, J P;
HACKETT, R A;
PURVIS, G;
CLEMENTS, R O

Publication type:

Article

Distribution and abundance of three species of Sitona (Coleoptera: Curculionidae) in grassland in England.

Published in:

Annals of Applied Biology, 1995, v. 127, n. 2, p. 229, doi. 10.1111/j.1744-7348.1995.tb06668.x

By:

MURRAY, P. J.;
CLEMENTS, R. O.

Publication type:

Article

Development of a low input system for growing wheat (Triticum vulgare) in a permanent understorey of white clover (Trifolium repens).

Published in:

Annals of Applied Biology, 1993, v. 123, n. 1, p. 109, doi. 10.1111/j.1744-7348.1993.tb04078.x

By:

JONES, LEWIS;
CLEMENTS, R O

Publication type:

Article

A technique for assessing damage to roots of white clover caused by root feeding insects.

Published in:

Annals of Applied Biology, 1992, v. 121, n. 3, p. 715, doi. 10.1111/j.1744-7348.1992.tb03480.x

By:

MURRAY, P. J.;
CLEMENTS, R. O.

Publication type:

Article

Studies on the feeding of Sitona lineatus L. (Coleoptera: Curculionidae) on white clover ( Trifolium repens L.) seedlings.

Published in:

Annals of Applied Biology, 1992, v. 121, n. 2, p. 233, doi. 10.1111/j.1744-7348.1992.tb03435.x

By:

MURRAY, P. J.;
CLEMENTS, R. O.

Publication type:

Article

The impact of two insecticides on predatory ground beetles (Carabidae) in newly-sown grass.

Published in:

Annals of Applied Biology, 1992, v. 120, n. 1, p. 25, doi. 10.1111/j.1744-7348.1992.tb03400.x

By:

ASTERAKI, E. J.;
HANKS, C. B.;
CLEMENTS, R. O.

Publication type:

Article

Improvement of persistence and yield of Italian ryegrass ( Lolium multiflorum) through pesticide use.

Published in:

Annals of Applied Biology, 1991, v. 119, n. 3, p. 513, doi. 10.1111/j.1744-7348.1991.tb04890.x

By:

CLEMENTS, R. O.;
BENTLEY, B. R.;
MURRAY, P. J.;
HENDERSON, I. F.

Publication type:

Article

The impact of pests and diseases on the herbage yield of permanent grassland at eight sites in England and Wales.

Published in:

Annals of Applied Biology, 1990, v. 117, n. 2, p. 349, doi. 10.1111/j.1744-7348.1990.tb04221.x

By:

CLEMENTS, R. O.;
MURRAY, P. J.;
BENTLEY, B. R.;
LEWIS, G. C.;
FRENCH, N.

Publication type:

Article

A comparison of the effects of sward improvement on invertebrates, sward establishment and herbage yield.

Published in:

Annals of Applied Biology, 1990, v. 116, n. 2, p. 343, doi. 10.1111/j.1744-7348.1990.tb06616.x

By:

ELLIS, S. A.;
CLEMENTS, R. O.;
BALE, J. S.

Publication type:

Article

The short-term effects on birds and mammals of the use of chlorpyrifos to control leatherjackets in grassland.

Published in:

Annals of Applied Biology, 1988, v. 112, n. 1, p. 41, doi. 10.1111/j.1744-7348.1988.tb02039.x

By:

CLEMENTS, R. O.;
BALE, J. S.

Publication type:

Article

The invertebrate population and response to pesticide treatment of two permanent and two temporary pastures.

Published in:

Annals of Applied Biology, 1987, v. 111, n. 2, p. 399, doi. 10.1111/j.1744-7348.1987.tb01467.x

By:

CLEMENTS, R. O.;
BENTLEY, B. R.;
NUTTALL, R. M.

Publication type:

Article

Ryegrass establishment and yield in relation to pesticide treatment, irrigation and fertiliser level.

Published in:

Annals of Applied Biology, 1986, v. 109, n. 2, p. 353, doi. 10.1111/j.1744-7348.1986.tb05327.x

By:

SPAULL, ALISON M.;
CLEMENTS, R. O.;
RIDOUT, M. S.;
G. MEWTON, P.

Publication type:

Article

Establishment and yield of three ryegrasses following aldicarb use, and changes in abundance of plant parasitic nematodes.

Published in:

Annals of Applied Biology, 1985, v. 106, n. 2, p. 313, doi. 10.1111/j.1744-7348.1985.tb03121.x

By:

SPAULL, A. M.;
MEWTON, P. G.;
CLEMENTS, R. O.

Publication type:

Article

Stem-boring Diptera in perennial ryegrass in relation to fertiliser.

Published in:

Annals of Applied Biology, 1985, v. 106, n. 1, p. 31, doi. 10.1111/j.1744-7348.1985.tb03091.x

By:

MOORE, D.;
CLEMENTS, R. O.

Publication type:

Article

Stem-boring Diptera in perennial ryegrass in relation to fertiliser. I. Nitrogen level and form.

Published in:

Annals of Applied Biology, 1984, v. 105, n. 1, p. 1, doi. 10.1111/j.1744-7348.1984.tb02796.x

By:

MOORE, D.;
CLEMENTS, R. O.

Publication type:

Article

The effect of pesticides on establishment of grass swards in England and Wales.

Published in:

Annals of Applied Biology, 1982, v. 101, n. 2, p. 305, doi. 10.1111/j.1744-7348.1982.tb00826.x

By:

CLEMENTS, R. O.;
FRENCH, N.;
GUILE, C. T.;
GOLIGHTLY, W. H.;
LEWIS, SERFIAH;
SAVAGE, AND M. J.

Publication type:

Article

Herbage yield and botanical composition over 20 years of a predominantly ryegrass sward treated frequently with phorate pesticide and three rates of nitrogen fertilizer

Published in:

Journal of Agricultural Science, 1990, v. 115, n. 1, p. 23

By:

Murray, P. J.;
Clements, R. O.;
Bentley, B. R.;
Henderson, I. F. Henderson

Publication type:

Article

A survey of ryegrass endophyte (Acremonium loliae) in the U.K. and its apparent ineffectuality on a seedling pest

Published in:

Journal of Agricultural Science, 1986, v. 107, n. 3, p. 633, doi. 10.1017/S002185960006980X

By:

Lewis, G. C.;
Clements, R. O.

Publication type:

Article

The interaction of seed rate and pesticide on the tiller density, herbage yield and frit fly population of newly sown grass

Published in:

Journal of Agricultural Science, 1986, v. 107, n. 2, p. 279, doi. 10.1017/S0021859600087086

By:

Ellis, S. A.;
Clements, R. O.;
Bale, J. S.

Publication type:

Article

Differential susceptibility to pest damage in agricultural grasses

Published in:

Journal of Agricultural Science, 1979, v. 93, n. 2, p. 465

By:

Clements, R. O.;
Henderson, I. F.

Publication type:

Article

EFFECTS OF PASTURE ESTABLISHMENT AND RENOVATION TECHNIQUES ON THE HYMENOPTEROUS PARASITOIDS OF OSCINELLA FRIT L. AND OTHER STEM-BORING DIPTERA IN RYEGRASS.

Published in:

Journal of Applied Ecology, 1986, v. 23, n. 3, p. 871, doi. 10.2307/2403940

By:

Moore, D.;
Clements, R. O.;
Ridout, M. S.

Publication type:

Article

STEM-BORER LARVAL INFESTATION OF RYEGRASS SWARDS UNDER ROTATIONALLY GRAZED AND CUT CONDITIONS.

Published in:

Journal of Applied Ecology, 1984, v. 21, n. 2, p. 581, doi. 10.2307/2403430

By:

Moore, D.;
Clements, R. O.

Publication type:

Article