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dc.contributorUniversity of Florida. Department of Agronomy.-
dc.contributorAquatic Plant Control Research Program (U.S.)-
dc.contributor.authorHaller, William T.-
dc.contributor.authorTag El Seed, Mirghani.-
dc.descriptionMiscellaneous Paper-
dc.descriptionAbstract: The fact that heterostyly exists in waterhyacinths has been known for years, but a recent observation that long-style plants might be somewhat resistant to 2,4-D control resulted in the need for this study. To further evaluate the situation, the work involved field observations of midstyle and long-style populations, self- and cross-pollination studies, and herbicide treatments. Although long-style waterhyacinth plants do appear to be somewhat more resistant to 2,4-D than midstyle ones, this probably will not be a serious consideration in the Corps' aquatic plant control operations. However, the situation is very curious from a botanical standpoint and should be studied further.-
dc.publisherEnvironmental Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectAquatic plant control-
dc.subjectChemical control-
dc.subject2,4-dichlorophenoxyacetic acid-
dc.titleStudy of waterhyacinths showing possible resistance to 2,4-D chemical control programs-
Appears in Collections:Miscellaneous Paper

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