Apache Rose

Panicum

Denomination: 'Apache Rose'
Botanical Name: Panicum
Applicant/Holder: Walters Gardens, Inc.
1992 96th Avenue
P.O. Box 137
Zeeland, Michigan
49464-0137
United States of America
Breeder: Hans A. Hansen, Zeeland, United States of America
Agent in Canada: Variety Rights Management
475 County Road 18
R.R. #2
Oxford Station, Ontario
K0G 1T0
Canada
Tel: 613-258-9015
Application Date: 2016-01-22
Application Number: 16-8801

Variety Description

Variety used for comparison: 'Prairie Fire'

Summary: The plants of 'Apache Rose' are shorter than those of 'Prairie Fire'. In the fall, the leaf blade of 'Apache Rose' has no anthocyanin colouration present while the leaf blade of 'Prairie Fire' develops a medium intensity of anthocyanin colouration at the distal end. The inflorescence of 'Apache Rose' is smaller, with a weak intensity of anthocyanin colouration, than that of 'Prairie Fire', which has no anthocyanin colouration. When fully expanded, the lower side branches of the inflorescence of 'Apache Rose' are semi-erect while those of 'Prairie Fire' are horizontal.

Description:

PLANT: erect growth habit, narrow upright shape
STEM: lignified, thin at base, light green to medium green, absent or very sparse pubescence

LEAF: alternate arrangement
LEAF BLADE: linear shape, light green to medium green on upper side in the summer, yellow green to tan on upper side in the fall, concave shape in cross-section, twisted shape in longitudinal section, semi-erect attitude relative to main stem axis with some tips slightly arched, entire margin, acute apex, absent or very sparse pubescence

INFLORESCENCE: panicle type, weak intensity of anthocyanin colouration when fully expanded, semi-erect attitude of lower side of branches

Origin & Breeding History: 'Apache Rose' originated from a line crossing conducted and monitored by Hans Hansen of Walters Gardens Inc. in Zeeland, Michegan. The cross was made between the female parent 'Cheyenne Sky' and an open pollinated proprietary male parent in the summer of 2010. The selection process used was a pedigree selection for a compact and upright growth habit with dense culms, airy rosy-red panicles and grey-green foliage that develops rosy-red flushed tips in the fall. 'Apache Rose' was initially selected for further evaluation in the spring of 2012 and first asexually reproduced through division in 2012.

Tests & Trials: The comparative trial for 'Apache Rose' was conducted in a 50% shade polyhouse in 2016 at Variety Rights Management in Oxford Station, Ontario. The trial included a total of 11 plants of the candidate variety and 12 plants of the reference variety. All plants were grown in 23 cm pots and spaced 75 cm apart. Observations and measurements were made on 10 plants, or parts of plants, on October 16, 2016 and again on November 9, 2016 to assess further plant and foliage characteristics. Colour determinations were made using the 2015 Royal Horticultural Society (RHS) Colour Chart.


Comparison tables for 'Apache Rose' with reference variety 'Prairie Fire'

Plant height, including inflorescence (cm)

  'Apache Rose' 'Prairie Fire'
mean 104.7 130.3
std. deviation 13.66 14.29

Inflorescence length (cm)

  'Apache Rose' 'Prairie Fire'
mean 33.8 37.8
std. deviation 3.06 2.32

Inflorescence width (cm)

  'Apache Rose' 'Prairie Fire'
mean 14.1 33.8
std. deviation 1.07 2.59

Click on image for larger view
Apache Rose
Panicum: 'Apache Rose' (left) with reference variety 'Prairie Fire' (right)

Click on image for larger view
Apache Rose
Panicum: 'Apache Rose' (left) with reference variety 'Prairie Fire' (right)

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