With an extensive root and rhizome system, the deep taproot can reach a vertical depth of up to 20 feet with many lateral roots within a foot deep in soil, forming along the taproot and spreading up to 30 inches radially, often turning downward to become additional vertical roots.
Due to the plant’s extensive root system, drought tolerance, and seed resilience, this noxious weed is one of the more difficult ones to eradicate. A long-term integrated pest management approach is more likely to be successful in the management of field bindweed. Effective control can be achieved with the combination of preventing seed production and targeting its deep root system with an herbicide such as Tordon 22K.
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