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Experiments were conducted (1) to determine whether resistance to MCPA would subside in a population of Ranunculus acris subsp. acris after ending a 3...

The combined attack by leaf mining larvae of the argid, Schizocerella pilicornis, and the curculionid, Hypurus bertrandi, typically resulted in >80...

The effects of the presence of a crop on weed growth were compared using Avena fatua, A. ludoviciana and A. sativa as weed indicator species and A. sa...

Winter wheat and B. sterilis were grown in additive mixtures in 2 fields each at each of two locations in the UK. Yields and components of yield were ...

The influence of competition on ramet populations of C. esculentus was studied experimentally at a site near Harare, Zimbabwe. A range of ramet densit...

Where competition studies are based on binary mixtures, data can be clearly displayed by plotting the yield per unit area of one component against tha...

Echium plantagineum is native to the western Mediterranean Basin, where it is a common, but not dominant, component of species-rich annual grasslands....

Light limitation (induced by the canopy of Zea mays [maize] cv. Pioneer 3902) of reproduction in Amaranthus retroflexus and the allometric relationshi...

Plant nutrition (bottom-up effects) impacts a plant's ability to withstand herbivory (top-down effects) and influences phytophagous insect fecundity. ...

Restoration of depressional wetlands in mid-continental North America typically involves reflooding formerly drained basins. There have been several t...