Synonym or breeding number (also FR 487-88) for the Monarch grape variety; see there.
There are two grape varieties with this name:
The red grape variety (also FR 487-88 R) is a new breeding between (Merzling x (Zarya Severa x Muskat-Ottonel)) x Dornfelder. In some sources this is stated in the form Solaris x Dornfelder; because the Solaris variety later emerged from the Muttersortemother...
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