Assertion: corn borer | /r/AtLocation | field
Facets:
Source sentences:
text: If corn borers are present in a field, however, the critical treatment time is just before the tassels emerge, or at tassel emergence from the whorl.
text: If corn borers are present in a field, however, the critical treatment time is just before the tassels emerge, or at tassel emergence from the whorl.