Comparison of Dahlia Cultivars for Cut Flower Production in the Northeastern United States

IF 1 4区农林科学 Q3 HORTICULTURE Horttechnology Pub Date : 2023-10-01 DOI:10.21273/horttech05217-23

S. Burnett, B. Peterson, Isabella B. Oliveira, Taylor Bowers

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Abstract

A BSTRACT . Dahlias ( Dahlia × hybrida ) are a popular cut ﬂ ower for local production in the northeastern United States. However, there are more than 20,000 cultivars to choose from, and the suitability of these cultivars as cut ﬂ owers varies regionally. Fourteen dahlia cultivars were grown in Orono, ME, USA: Blizzard, Burlesca, Caf (cid:1) e au Lait, Caf (cid:1) e au Lait Rose, Clearview Daniel, Cornel, Cornel Bronze, Ivanetti, Lollipop, Neon Splendor, Rock Run Ashley, Sunspot, Tanjoh, and Tempest. These cultivars were selected after interviews with local dahlia growers. These cultivars all produced similar numbers of ﬂ owers, but they differed in the time to form ﬂ owers, stem length, and stem diameter. ‘ Rock Run Ashley ’ was the earliest to begin ﬂ owering, at 35 days earlier than ‘ Tempest ’ and ‘ Caf (cid:1) e au Lait ’ , which ﬂ owered last. ‘ Blizzard ’ and ‘ Tempest ’ had the longest stems and ‘ Lollipop ’ had the shortest stems. Growers may want to choose ‘ Rock Run Ashley ’ if they need ﬂ owers earlier in the season, or ‘ Blizzard ’ or ‘ Tempest ’ if a longer stem length is desired. During a second study, we harvested ﬁ eld-grown ﬂ owers of ‘ Burlesca ’ , ‘ Cornel ’ , and ‘ Ivanetti ’ and treated them with deionized water or one of two commercial holding solutions. Holding solutions did not extend the vase life of ‘ Burlesca ’ or ‘ Ivanetti ’ , but they increased the vase life of ‘ Cornel ’ by 4 or 5 days.

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美国东北部用于切花生产的大丽花品种比较

摘要。大丽花（Dahlia×hybrida）是美国东北部当地生产的一种流行的切花。然而，有20000多个品种可供选择，这些品种作为切花的适宜性因地区而异。在美国缅因州奥罗诺种植了14个大丽花品种：暴雪、伯莱斯卡、Caf（cid:1）e au Lait、Caf。这些品种是在与当地大丽花种植者面谈后选出的。这些品种都产生了相似数量的花，但它们在形成花的时间、茎长和茎直径方面有所不同。”Rock Run Ashley是最早开始发力的，比最后发力的Tempest和Caf（cid:1）e au Lait早了35天暴雪和暴风雪的梗最长，棒棒糖的梗最短。如果种植者在本季早些时候需要开花，他们可能会选择“Rock Run Ashley”，如果想要更长的茎长，则可以选择“Blizzard”或“Tempest”。在第二项研究中，我们收获了“Burlesca”、“Cornell”和“Ivanetti”的实地生长的花朵，并用去离子水或两种商业保存溶液中的一种进行处理。保温溶液并没有延长“Burlesca”或“Ivanetti”的花瓶寿命，但它们使“Cornel”的花瓶使用寿命增加了4或5天。

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来源期刊

Horttechnology 农林科学-园艺

CiteScore

2.30

自引率

10.00%

发文量

审稿时长

3 months

期刊介绍： HortTechnology serves as the primary outreach publication of the American Society for Horticultural Science. Its mission is to provide science-based information to professional horticulturists, practitioners, and educators; promote and encourage an interchange of ideas among scientists, educators, and professionals working in horticulture; and provide an opportunity for peer review of practical horticultural information.