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The Patent Garden

US Plant Patent PP7518

Perla

Chrysanthemum plant named Perla

PUBLIC DOMAIN

Patent expired January 24, 2010. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record

Patent number
PP7518
Filed
January 24, 1990
Granted
May 7, 1991
Expires
January 24, 2010

Abstract

A Chrysanthemum plant named Perla particularly characterized by its pompon capitulum form; formal decorative capitulum type; white ray floret color; diameter across face of capitulum of 38 to 44 mm when fully opened; photoperiodic flowering response to short days of 50 to 56 days when grown in Salinas, Calif., and 62 to 63 days when grown in Bogota, Colombia; peduncle length of the first lateral of 3 to 10 cm, and of the fourth lateral of 8 to 13 cm, when grown without growth regulator applications, on open, terminal sprays; plant height of 69 to 79 cm when grown as a single stem spray cut mum in Salinas, Calif. with 13 to 14 long days prior to start of short days, and a height of 89 to 109 cm when grown in Bogota, Colombia with 20 to 22 long days prior to start of short days; and excellent tolerance to low night temperatures for bud initiation and flower development.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

I claim: 1. A new and distinct Chrysanthemum plant named Perla, as described and illustrated.

Read the full patent: US Plant Patent PP7518 in full — the complete specification, every figure, and the file history.