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Ornamental horticulture is the primary pathway for invasive alien plant introductions. We critically appraise published evidence on the effectiveness ...Read more
Ornamental horticulture is the most important pathway for plant invasions world-wide. Large numbers of non-native plants are used as ornamentals, and ...Read more
The 33 papers read at this meeting are presented, all with summaries in French and German. The following are among those of concern to economic entomo...Read more
In order to predict the optimum weeding period, a realistic estimate is needed of the size, timing and duration of a flush of weed emergence in a crop...Read more
Results are presented from a study of 20 street trees (8 on the E. side of the street, 12 on the W. side, 9 Fraxinus pennsylvanica, 11 Tilia cordata) ...Read more
A framework that incorporates product differentiation under monopolistic competition applies primarily to the manufacturing industry, and agriculture ...Read more