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Control of Galium aparine (cleavers) in winter cereals with mecoprop alone or with ioxynil plus bromoxynil
Author(s) -
LUTMAN P. J. W.,
THORNTON M. E.,
LOVEGROVE A. W.
Publication year - 1988
Publication title -
weed research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 74
eISSN - 1365-3180
pISSN - 0043-1737
DOI - 10.1111/j.1365-3180.1988.tb00811.x
Subject(s) - mecoprop , bromoxynil , galium , dicamba , chemistry , biology , weed control , weed , botany , agronomy , mcpa
Summary A series of eleven field experiments over two seasons investigated the control of Galium aparine (cleavers) with mecoprop and a proprietary mixture of ioxynil plus bromoxynil. Applications of mecoprop (2⋅4 kg a.e. ha −1 ) between December and March gave variable results but a mixture of ioxynil + bromoxynil (0⋅6 kg a.i. ha −1 ) and mecoprop improved control up to at least 90%, at most sites. Applications of mecoprop alone in April were most effective and frequently achieved more than 90% control. In May, when the G. aparine plants were very large, it was less successful. The reasons for the environmental effects on performance are discussed. Preliminary examination of the effect of soil temperature on mecoprop activity indicates that the reliability of control increases with increasing temperature (0–12°C). An average of 94% control was achieved when soil temperatures were greater than 6°C. La destruction de Galium aparine (Gaillet) dans les cereales d'hiver avec du mecoprop seul ou avec ioxynil plus bromoxynil