Critical periods for weed competition

Abstract

BIOCHEMICAL INSECT CONTROL: ITS IMPACT ON ECONOMY, ENVIRONMENT AND NATURAL SELECTION. M. Sayeed Quraishi. John Wiley and Sons, New York, 1977. ISBN 0 471 70275 7. Pp. viii + 280. Price £14.25, US $24.50.

DISEASES, PESTS AND WEEDS IN TROPICAL CROPS. Edited by Jürgen Kranz, Heinz Schmutter and Werner Koch. Verlag Paul Parey, Berlin and Hamburg, 1977. ISBN 3 489 67626 8. Pp. xv + 666, Colour plates 64. Price Dm. 68.

ENVIRONMENTAL TOXICOLOGY. A GUIDE TO INFORMATION SOURCES. Edited by R. L. Rudd. Gale Research Company, Detroit, 1977. ISBN 0 8103 13421. Pp. xii + 266. Price US $18.00

THE SAFETY OF THE HERBICIDES 2,4-D AND 2,4.5-T. D. J. Turner. Her Majesty's Stationery Office, London, 1977. ISBN 0 11 710149 4. Pp. 56. Price £1.20

PESTICIDE CHEMISTRY IN THE TWENTIETH CENTURY. Edited by J. R. Plimmer. ACS Symposium Series No. 37, American Chemical Society, Washington, USA, 1977. ISBN 0 8412 0364 4. Pp. 310. Price US $20.00

PESTICIDES IN AQUATIC ENVIRONMENTS. Edited by M. A. Q. Khan. Environmental Research Series, Volume 10. Plenum Press, New York and London, 1977. ISBN 0306 36310 0. Pp. xiii + 257. Price US $35.40, £18.75

THE FUTURE FOR INSECTICIDES. Edited by Robert L. Metcalf and John J. McKelvey Jr. John Wiley and Sons, New York, 1976. ISBN 0 471 59860 7. Pp. xiv + 524. Price £14.70, US $30.20

SYNTHETIC PYRETHROIDS. Edited by Michael Elliott. ACS Symposium Series No. 42, American Chemical Society, Washington, D.C., 1977. ISBN 0 84120368 7. Pp. xi + 229. Price £15.75

WEED CONTROL HANDBOOK. Volume 1, Principles, Edited by J. D. Fryer and R. J. Makepeace. Sixth Edition. Blackwell, London, 1977. ISBN 0632 00209 3. Pp. xvii + 510. Price £13.50

A PARTIAL BIBLIOGRAPHY OF WEED RESEARCH AND CONTROL: PUBLICATIONS FOR SOUTH AND CENTRAL AMERICA, THE CARIBBEAN AND MEXICO, 1942–1976. Second Edition. International Plant Protection Center, Oregon, USA, 1978. Pp. xiii + 241. Price US $5.00

MAJOR INSECT AND MITE PESTS OF AUSTRALIAN CROPS. E. Hassan, Ento Press, Queensland, Australia. ISBN 0 959 6962 88. Pp. 236.

THE BIOLOGY OF TRIBOLIUM, WITH SPECIAL EMPHASIS ON GENETIC ASPECTS, Volume 3. A. Sokoloff. Oxford University Press, Oxford, 1977. ISBN 0 19 857512 2. Pp. xix + 612. Price £25.00

TOOLS FOR AGRICULTURE. A buyer's guide to low-cost agricultural implements. Compiled by John Boyd. Intermediate Technology Publications Ltd., London, 1976. ISBN 0 903031 22 1. Pp. 173. Price £4.00

SEED PATHOLOGY. (Volumes I and II). Paul Neergaard. MacMillan Press Ltd., London, 1977. ISBN 0 333 19273 7. Pp. 1187. Price £50.00

CONTROL OF TROPICAL AQUATIC WEEDS. A. H. Pieterse. Bulletin 300, Department of Agricultural Research of the Royal Tropical Institute, Amsterdam, 1977. Pp. 20.