‘Hongyi’: A New Columnar Ornamental Crabapple

Zhang, Lulu; Yin, Yijun; Mao, Yunfei; Liu, Yeping; Pang, Huiling; Su, Xiafei; Hu, Yanli; Shen, Xiang

doi:10.21273/hortsci16064-21

Cited by 4 publications

(3 citation statements)

References 16 publications

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“…In addition, current research on Chaenomeles mainly focuses on its fruits and leaves rather than its flowers. Since 2002, intensive selective breeding of new Chaenomeles cultivars has been practiced in China 11 , 12 , and some research has been conducted on the mechanisms underlying flower color changes 13 and leaf color changes 14 .…”

Section: Introductionmentioning

confidence: 99%

Flower opening dynamics, pollen-ovule ratio, stigma receptivity and stigmatic pollen germination (in-vivo) in Chaenomeles speciosa (Sweet) Nakai

Wan,

Sun,

Gao

2024

Sci Rep

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Although Chaenomeles is widely used in horticulture, traditional Chinese medicine and landscape greening, insufficient research has hindered its breeding and seed selection. This study investigated the floral phenology, floral organ characteristics, palynology, and breeding systems of Chaenomeles speciosa (Sweet) Nakai. The floral characteristics of C. speciosa were observed both visually and stereoscopically. The microstructures of the flower organs were observed using scanning electron microscopy. Pollen stainability was determined using triphenyl tetrazolium chloride staining. Stigma receptivity was determined using the benzidine-H2O2 method and the post-artificial pollination pollen germination method. The breeding system was assessed based on the outcrossing index and pollen–ovule ratio. The flowers of C. speciosa were bisexual with a flowering period from March to April. The flowering periods of single flowers ranged from 8 to 19 d, and those of single plants lasted 18–20 d. The anthers were cylindrical, with the base attached to the filament, and were split longitudinally to release pollen. The flower had five styles, with a connate base. The ovaries had five carpels and five compartments. The inverted ovules were arranged in two rows on the placental axis. The stigma of C. speciosa was dry and had many papillary protrusions. In the early flowering stage (1–2 d of flowering), the pollen exhibited high stainability (up to 84.24%), but all stainability was lost at 7 d of flowering. Storage at – 20 °C effectively delayed pollen inactivation. The stigma receptivity of C. speciosa lasted for approximately 7 days, and the breeding system was classified as outcrossing with partial self-compatibility.

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Section: Introductionmentioning

confidence: 99%

Flower opening dynamics, pollen-ovule ratio, stigma receptivity and stigmatic pollen germination (in-vivo) in Chaenomeles speciosa (Sweet) Nakai

Wan,

Sun,

Gao

2024

Sci Rep

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“…After many years of continuous hybridization and selection work, more and more new varieties of excellent ornamental crabapples have been introduced to the market, including 'Zi Yan' (He et al 2017), 'Chang Hui' (Hu et al 2018), 'Duo Jiao' (Zhang et al 2019), and 'Jingxiu Hong' (Sha et al 2021). The breeding trend for flowering crabapples continues to be new varieties with unusual flower shapes, double petals, and novel flower colors.…”

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confidence: 99%

‘Yunjuan Yunshu’ Flowering Crabapple

Chen

Zhang

et al. 2023

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Ornamental crabapples (Malus sp.), which are shrubs or small trees in the rose family (Tang et al. 2015), have a long history of cultivation and are well-known as the "national beauty" in China (Pang 2008). The plants are popular ornamentals because of their diversity of habit, including columnar, fastigiate, upright, spreading, drooping, and weeping; various flower colors, such as white, pink, red, and purple; colorful foliage, such as yellow-green, green, gradient, red-brown, purple; and gorgeous autumn and winter fruit

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“…such as M. 'Dai Long' (Yin et al 2021) and M. 'Hong Yi' (Zhang et al 2021). And some double flowering cultivars including M. 'Yangzhi Yu' (Jiang et al 2020) and M. 'Zi Dieer' (Zhou et al 2020).…”

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confidence: 99%

‘Yanyu Jiangnan’ Crabapple

Sun

Chen

Zhang

et al. 2023

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Ornamental crabapple is a multipurpose woody plant of the Malus in the Rosaceae's family, which is an attractive small tree or shrub with beautiful flowers, colorful fruits, and various tree habits (Rong et al. 2022). Ornamental crabapple is recognized as one of the "four unique spring flowers," together with peony, plum, and orchid (Xu et al. 2021). In the 18th century, crabapples from China were introduced to Europe and America and hybridized with native crabapple cultivars (Fan et al. 2023;Fiala 1994). Previous studies have recorded more than 1200 genotypes of crabapple germplasm (Fiala 1994), most of them with white, pink, and red flowers. There were few transitional color flowers under subtropical monsoon climatic conditions, in which the flower color changed from dark to light or from one color to another slowly.At present, nearly a thousand crabapple germplasms have been cultivated through long-term breeding and selection (Dirr 2010; Jiang et al. 2020), including many white and pink flowering crabapples with single petals

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‘Hongyi’: A New Columnar Ornamental Crabapple

Cited by 4 publications

References 16 publications

Flower opening dynamics, pollen-ovule ratio, stigma receptivity and stigmatic pollen germination (in-vivo) in Chaenomeles speciosa (Sweet) Nakai

Flower opening dynamics, pollen-ovule ratio, stigma receptivity and stigmatic pollen germination (in-vivo) in Chaenomeles speciosa (Sweet) Nakai

‘Yunjuan Yunshu’ Flowering Crabapple

‘Yanyu Jiangnan’ Crabapple

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