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Dive into the research topics where James M. Garner is active.

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Featured researches published by James M. Garner.


Journal of Horticultural Science & Biotechnology | 1999

Photoperiod and cooling duration influence growth and flowering of six herbaceous perennials

Allan M. Armitage; James M. Garner

SummarySeedlings of six taxa of herbaceous perennials were subjected to 0, 4, 8 or 12 weeks cold treatment at 2–38C followed by long or short day photoperiods after the cold treatment. Cold was not necessary for flowering in any taxa studied, but the duration of cold treatment was inversely related to forcing-phase days to flower for all taxa. Plant height at flowering increased due to cooling in Myosotis scorpioides (forget-me not) and Campanula carpatica (Carpathian harebell) while decreasing in Anchusa capensis (Cape bugloss). In M. scorpioides, the number of growing points also decreased as cooling duration increased. Photoperiod influenced flowering time in four taxa but not in M. scorpioides and Arabis blepharophylla (fringed rock-cress). Flower stems of M. scorpioides and A. capensis elongated more in long days than in short days. Short days reduced internode elongation in Gypsophila repens (creeping babys breath) and inhibited flowering of C. carpatica and Catananche caerulea (blue Cupids dart)....


Scientia Horticulturae | 1998

Influence of cooling and photoperiod on growth and flowering of Aquilegia L. cultivars

James M. Garner; Allan M. Armitage

Abstract Four cultivars of Aquilegia flabalata and four cultivars of Aquilegia×hybrida were cooled 0, 4, 8, or 12 weeks and forced in either long-day (LD) or short-day (SD) photoperiods. Cultivars of both species cooled eight or 12 weeks flowered in fewer forcing days than non-cooled plants, however, days to flower were similar for LD and SD photoperiods regardless of cooling level. Flower stem length increased with increasing cooling duration, and flowering stems were longer in LD photoperiod than in SD. Plants cooled eight or 12 weeks were either larger than or similar in size at flowering to non-cooled plants or those cooled four weeks. In this study, eight weeks cooling and LD photoperiod enhanced forcing phase growth and flowering of the columbine cultivars most efficiently.


Hortscience | 1997

Benzyladenine-induced Offset Formation in Hosta Dependent on Cultivar

James M. Garner; Gary J. Keever; D. Joseph Eakes; J. Raymond Kessler


Hortscience | 1996

Gibberellin applications influence the scheduling and flowering of Limonium X 'Misty Blue'

James M. Garner; Allan M. Armitage


Hortscience | 1999

Cooling Accelerates Flowering of Lysimachia clethroides Duby

Pamela M. Lewis; Allan M. Armitage; James M. Garner


Hortscience | 1997

Pinch Treatment and Photoperiod Influence Flowering of Delphinium Cultivars

James M. Garner; Starla A. Jones; Allan M. Armitage


Hortscience | 2008

Cooling and Long-day Lighting Influences Growth and Flowering of Phlox paniculata L. ‘Ice Cap’ Used for Cut Flowers

James M. Garner; Allan M. Armitage


Hortscience | 2001

Ipomoea batatas 'Margarita'

Allan M. Armitage; James M. Garner


Hortscience | 2000

Photoperiod Affects Growth and Flowering of Lysimachia clethroides Duby

Pamela M. Lewis; Allan M. Armitage; James M. Garner


Journal of environmental horticulture | 2017

BA Application Promotes Offset Formation in Hosta Cultivars

James M. Garner; Gary J. Keever; D. Joseph Eakes; J. Raymond Kessler

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Shahidul Islam

University of Arkansas at Pine Bluff

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