- Gossypol,whichisproducedbyglandcellsintheleavesofCotton,isanattractanttothebollweevil.Combinedwithawater-basedattractantderivedfromhumansweat(collectedfromawristband),thetrapmimicsthescent,moisture,andtemperatureprofileofasleepingbody.Thatredservesas...
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