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Proceedings of the International Plant Propagator's Society

Vol. 50

Weed Control in Woody Liner Production

Joseph C. Neal

pp: 528-531


Weed control in the production of woody nursery stock relies heavily upon the use of broad-spectrum preemergence herbicides. These herbicides effectively control most weeds if applied before weed seeds germinate. However, all too often rooted cuttings or liners arrive at the nursery already containing weeds. Additionally, in recent weed scouting programs it was observed that several "new" weeds were introduced to nurseries in liners purchased from other regions (Neal and Williams, 1998). In this way growers start the production cycle with emerged weeds that are not controlled by preemergence herbicide treatments, and introduce new weeds into their nursery that may not be controlled by existing management programs. To prevent such events it is imperative that liner producers maintain rigorous and effective weed management programs. Sanitation, hand weeding and judicious use of herbicides must be integrated into a comprehensive weed management program.

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