Table Of Content

WEED RESEARCH Journal of the European Weed Research Society EDITORIAL BOARD Chairman A. WALKER Editors J. ALLEN (CH) L. GARCIA-TORRE(ESS ) H. MULLER-SCHARER (CH) E. BARRIUSO (F) C. GAUVRIT (F) M. SATTIN (1) A. D. COURTNEY (UK) K. KREUZ (CH) D. A. WALL (CAN) R. D. COUSENS (AUS) M. J. KROPFF (NL) M. WEBB (UK) G. W. CUSSANS (UK) P. KUDSK (DK) G. P. WHYTOCK (UC) D. S. H. DRENNAN (UK) P. J. W. LUTMAN (UK) P. ZWERGER (D) TH. EGGERS (D) P. MILBERG (S) Technical Editor H. M. LAWSON European Weed Research Society General Secretar) Dr J. SALONEN Agricultural Research Centre Institute of Plant Protection 31600 Jokioinen Finland ISSN 0043-1737 VOLUME 37 Pages 1-454 BLACKWELL SCIENCE LTD OXFORD LONDON EDINBURGH BOSTON MELBOURNE BERLIN VIENNA TOKYO 1997 1997 European Weed Research Society Authorization to photocopy for internal or personal use or for the internal or personal use of specific clients is granted by the European Weed Research Society for libraries and other users registered with the Copyright Clearance Center (CCC) Transactional Reporting Service, providing that the base fee of $14.00 per copy is paid to CCC, 222 Rosewood Drive. Suite 910. Danvers MA 01923, USA. Special requests should be addressed to the Editor 0043-1737/96. $14.00 Published by Blackwell Science Ltd Osney Mead, Oxford 0X2 OEL, | 25 John Street. London WCIN 2BL. UK 23 Ainslie Place. Edinburgh EH3 6AJ, UK 238 Main Street, Cambridge. MA 02142, USA 54 University Street, Carlton South, Vic. 3053. Australia Kurfiirstendam 57, D-10707. Berlin. Germany MG Kodenmacho Building. 7-10 Kodenmacho Nihombashi, Chou-ku, Tokyo 104, Japan ISSN 0043-1737 Volume 37 Number 1 February 1997 R. D. Cousens, G. S. Gitt AND E. J. Speers. Comment: Number of sample populations required to determine the effects of herbicide resistance on plant growth and fitness C. ANDREASEN, M. RUDEMO AND S. Sevestre. Assessment of weed density at an early stage by use of image processing P. R. Stork. Evaluation of the bioefficacy and leaching of a controlled-release formulation of chlorosulfuron A. TANJI AND A. TALEB, New weed species recently introduced into Morocco B. P. Caton, T. C. Foin AND J. E. Hitt. Phenotypic plasticity of Ammannia spp. in competition with rice A. M. MANSCcHADI, J. SAUERBORN, J. KROSCHEL AND M. C. SAXENA. Effect of plant density on grain yield, root-length density and Orobanche crenata infestation in two faba bean genotypes A. RAVELLI, O. PANTANI, L. CALAMAI AND P. Fusi. Rates of chlorosulfuron degradation in three Brazilian oxisols TECHNICAL ABBREVIATIONS Volume 37 Number 2 April 1997 M. J. SMytu, A. W. SHEPPARD AND A. Swirepik. The effect of grazing on seed production in Echium plantagineum S. R. FELDMAN, C. ALzuUGARAY, P. S. Torres AND P. Lewis. The effect of different tillage systems on the composition of the seedbank J. ASCARD. Flame weeding: effects of fuel pressure and tandem burners A. BHATTACHARYA AND P. K. SAHA. Germination behaviour of two morphologically different types of seed of Cassia tora at different temperatures C. L. SpraGuE, E. W. STOLLER AND L. M. WAx. Response of an acetolactate synthase (ALS)- resistant biotype of Amaranthus rudis to selected ALS-inhibiting and alternative herbicides M. H. CAMPBELL AND H. I. Nicov. Effect of age on the germination of Cassinia arcuata seed in storage and buried in soil 103 W. Roper, S. PHENGCHANH AND B. KEOBALAPHA. Weeds in slash-and-burn rice fields in northern Laos 111 Volume 37 Number 3 June 1997 J. RoucHAuD, O. Neus AND O. HERMANN. Influence of application rate and manure amendment on chloridazon dissipation in the soil L. AmsBosio, J. DorADO AND J. P. DEL Monte. Assessment of the sample size to estimate the weed seedbank in soil I. D. BLack AND C. B. Dyson. A model of the cost of delay in spraying weeds in cereals C. L. MOHLER AND A. E. GALForD. Weed seedling emergence and seed survival: separating the effects of seed position and soil modification by tillage P. Mi_BeRG. Weed seed germination after short-term light exposure: germination rate, photon fluence response and interaction with nitrate S. J. W. HOLE AND S. B. Pow_es. Reduced effficacy and enhanced degradation of carbetamide after repeated application in Australia L. PusseMieR, S. Goux, V. VANDERHEYDEN, P. DEBONGNiIE, I. TRESINIE AND G. FOUCART. Rapid dissipation of atrazine in soils taken from various maize fields W. M. ZHANG, M. E. McGIFFEN JR, J. O. BeEcKER, H. D. Onr, J. J. Simms and R. L. KALLENBACH. Dose response of weeds to methyl ioidide and methyl bromide 18] G. W. Bourbort, D. J. SAviLtLE, G. A. HURRELL & M. J. DALY. Erratum 19] Volume 37 Number 4 August 1997 A. CHAMEL, M.A. VioUGEAS AND N. AssArb. Radiolabelling of isolated cuticles from foliar discs used as a test of cuticle biosynthesis E. H. BENSELLAM, M. BOUHACHE AND A. TALEB. Etude des adventices des vergers d°’agrumes dans le Gharb (Maroc): aspects floristique, agronomique et écologique E. S. MoHAMED, A. H. Nourat, G. E. MOHAMED, M. I. MOHAMED AND M. C. SAXENA. Weeds and weed management in irrigated lentil in northern Sudan M. A. Haipar, G. L. OrR AND P. Westra. Effects of light and mechanical stimulation on coiling and prehaustoria formation in Cuscuta spp. A.-M. Dock Gustavsson. Growth and regenerative capacity of plants of Cirsium arvense N. R. JoRDAN AND J.L. JANNINK. Assessing the practical importance of weed evolution: a research agenda L. J. REw anp G. W. Cussans. Horizontal movement of seeds following tine and plough cultivation: implications for spatial dynamics of weed infestations A. C. Grunpy. The influence of temperature and water potential on the germination of seven different dry-stored seed lots of Stellaria media L. Mercier, I. SERRE, F. CABANNE AND C. GAvvrit. Behaviour of alkyl oleates following foliar application in relation to their influence on the penetration of phenmedipham and quizalofop-P- ethyl R. C. VAN Acker, P. J. W. LUTMAN AND R. J. FRoUD-WILLIAMS. The influence of interspecific interference on the seed production of Stellaria media and Hordeum vulgare (volunteer barely) Volume 37, Number 5 October 1997 R. C. VAN Acker, P. J. W. LUTMAN AND R. J. FROUD-WILLIAMS. Predicting yield loss due to interference from two weed species using early observations of relative weed leaf area P. BARBERI, N. SILVESTRI AND E. BONARI. Weed communities of winter wheat as influenced by input level and rotation S. SinGH, R. C. KirnkKwoop AND G. MARSHALL. Effects of isoproturon on photosynthesis in susceptible and resistant biotypes of Phalaris minor and wheat P. DeBAeEKE, J. P. CAussANEL, J. R. Kiniry, B. Kariz AND G. MONDRAGON. Modelling crop:weed interactions in wheat with ALMANAC S. W. Apkins, D. WiLts, M. Boersma, S. R. WALKER, G. RosBinson, R. J. MCLEOD AND J. P. EiNAM. Weeds resistant to chlorosulfuron and atrazine from the north-east grain region of Australia K. MORTENSEN AND R. M. D. MAkowsk 1. Effects of Colletotrichum gloeosporioides f. sp. malvae on plant development and biomass of non-target field crops under controlled and field conditions A. Lunpkvist. Influence of weather on the efficacy of dichlorprop-P/MCPA and tribenuron- methyl K. I. N. JENSEN, S.O. GAUL, E. R KIMBALL AND E. G. Specut. Persistence of imazamethabenz- methyl in soils after autumn and spring applications to wheat Volume 37, Number 6 December 1997 R. W. McDowe _L, L. M. Conpron, B. E. MAIN AND F. DASTGHEIB. Dissipation of imazapyr, flumetsulam and thifensulfuron in soil J. IQBAL AND D. WriGut. Effects of nitrogen supply on competition between wheat and three annual weed species B. Scumipt, M. Siever, B. TuHiepe, J. BREUER, K. MALCHEREK AND I. SCHUPHAN. Biotransformation [ring-U-'*C]atrazine to dealkylated and hydroxylated metabolites in cell- suspension cultures J. SaBApiE. Degradation of bensulfuron-methyl on various minerals and humic acids C. Pekrun, P. J. W. LUTMAN AND K. BAEUMER. Germination behaviour of dormant oilseed rape seeds in relation to temperature M. Hess, G. BARRALIS, H. BLEIHOLDER, L. BUHR, TH. EGGers, H. HACK AND R. StaAuss. Use of the extended BBCH scale — general for the descriptions of the growth stages of mono- and dicotyledonous weed species A. O. AYeENi, D. T. LoRDBANJOU AND B. A. MASEK. Tithonia diversifolia (Mexican sunflower) in south-western Nigeria: occurrence and growth habit AUTHOR INDEX TO VOLUME 37