ABSTRACT
The recent development of herbicide tolerant crops and highly active herbicide chemistry has necessitated the employment of precision application. Transgenic weed control programs such as Roundup Ready® cotton (Gossypium hirsutum) are valuable new tools, however, the containment of herbicide applications within fields has become even more imperative since herbicide resistant and non-herbicide resistant croplands are often intermixed. Several new spray nozzles have been developed for managing spray drift. These nozzles accomplish this by increasing average diameter of individual spray droplets. This has led to questions relative to their influence on herbicide performance, especially with non-translocated herbicides.
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