Proposed Objectives Develop a standardized nornicotine screening protocol so that baseline levels of nornicotine are comparable in tobacco seed varieties used by investigators Develop a standardized nornicotine screening protocol so that baseline levels of nornicotine are comparable in tobacco seed varieties used by investigators Develop guidelines or suggested critical survey questions for farmer practice surveys so that results can be compared within and between tobacco origins Develop guidelines or suggested critical survey questions for farmer practice surveys so that results can be compared within and between tobacco origins
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