Morphological diversity of naturally grown Crataegus monogyna (Rosaceae, Maloideae) in Central Iran

Khadivi, Ali; Karimi, Somayeh; Kameli, Mehdi

doi:10.1007/s40415-015-0187-1

Cited by 8 publications

(7 citation statements)

References 15 publications

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“…There are typically five to eight fruits per corymb, each drupaceous pome bearing one nutlet (Bojňanský & Fargašová, 2007). Khadivi-Khub et al (2015) provided data on number of nutlets ranging from one to four (mean 3.11) in Iran. These counts have to be regarded with suspicion as the pictures of leaves, fruit and nutlets of the studied plants presented suggest that some were probably incorrectly allocated to C. monogyna.…”

Section: Seed Production and Dispersalmentioning

confidence: 99%

Biological Flora of the British Isles: Crataegus monogyna

Fichtner

Wissemann

2021

Journal of Ecology

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This account presents information on all aspects of the biology of Crataegus monogyna Jacq. (Hawthorn) that are relevant to understanding its ecological characteristics and behaviour. The main topics are presented within the standard framework of the Biological Flora of the British Isles: distribution, habitat, communities, responses to biotic factors, responses to environment, structure and physiology, phenology, floral and seed characters, herbivores and disease, history and conservation. Crataegus monogyna is native to the British flora, occurring frequently in hedgerows, scrubs, thickets and woodland. It can be found throughout almost all of Europe, on all soils of medium conditions regarding pH value, nutrient and water supply. Crataegus monogyna is a deciduous shrub or rarely a small tree of 2–8 m. Its twigs and branches bear sharp thorns about 1 cm long. Crataegus monogyna is of both ornamental and ecological value. During flowering in May and June, shrubs may appear white through a multitude of flowers, presenting pollen and nectar to a variety of different insects. Starting in August, almost the whole shrub can become dark red with the huge number of small red berries (pomes) produced during fruiting. The fruit are a preferred food for many birds. Although hybridizing freely and frequently with the other native species, Crataegus laevigata (Poir.) DC., the two species are easily recognizable in natural stands in the British Isles. Elsewhere, and with the occurrence of horticultural naturalizations and many intermediate forms of hybrid origin with closely related Crataegus species (especially the similar looking one‐styled species Crataegus rhipidophylla Gand. s.l. and Crataegus × subsphaerica Gand. s.l.) expert knowledge is required to avoid misidentifications and thus inaccurate understanding of frequency and distribution–not only on continental Europe but also increasingly in the British Isles. Identification in the field is further complicated by inbreeding of horticultural stock, which suffers from a myriad of descriptions and given names at different hierarchical levels. Cultivars are commonly planted in hedges and along roadsides or for ornamental purposes. The origin of this stock is not always known, so genetic exchange with the natural populations may lead to introgression and thus genotypes that are more adapted than the local genotypes in a changed environment.

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Section: Seed Production and Dispersalmentioning

confidence: 99%

Biological Flora of the British Isles: Crataegus monogyna

Fichtner

Wissemann

2021

Journal of Ecology

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“…This negative correlation advocates that oil-to-bunch ratio is negatively influenced by these traits. Based on the present result it may be concluded that these variables can be utilized in breeding programmes (Khadivi-Khub et al, 2015). By using path analysis, the direct and indirect effects of various bunch traits on oil-to-bunch ratio were estimated (Table 4).…”

Section: O N L I N E C O P Ymentioning

confidence: 76%

Evaluation of bunch quality components in Dura x Dura progenies of Zambia and Camaroon sources of oil palm germplasm

Pedapati¹,

Mathur²,

Ravichandran³

et al. 2021

JEB

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Aim: The present study was conducted to evaluate oil palm dura progenies developed from Zambia and Cameroon germplasm sources for bunch components for the selecting of high oil yielding mother palms. Methodology: Total 77 dura genotypes were evaluated by considering 15 different bunch components. Bunch analysis data were collected from tenth year onwards after planting. The genetic diversity, Principal component analysis, correlation and path analysis of the genotypes were estimated. Results: Study revealed that oil-to bunch ratio depends on fruit-to-bunch ratio and mesocarp-fruit ratio. The ANOVA value showed a significant variability among the genotypes for most of the bunch traits and the identified genotype P35 (24.53 %) was highest oil yielder. Positive significant correlation (p≤ 0.01) of mesocarp-to-fruit ratio and oil-to-dry mesocarp with oil-to-bunch ratio were noted in this study. Based on path analysis, the information obtained from this study is the oil-to-wet mesocarp ratio (0.697) showed the highest significant positive direct effect on oil-to-bunch ratio followed by mesocarp-to-fruit ratio (0.570). Interpretation: This study may support for the future selection of mother palms to utilize in oil palm improvement programmes. Introgression into existing breeding materials and breeding for seed production utilising selected palms.

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“…Established relationships between some traits can help breeders in setting objectives for parental partner selection and breeding (Khadivi-Khub et al, 2015). The results of our correlation analysis between the plant morphological characteristics of the 57 Chinese hawthorn cultivars are shown in Table 5.…”

Section: Correlation Analysis Among Plant Morphology Traitsmentioning

confidence: 99%

“…According to the guidance from the UPOV and previous studies conducted by Christensen (1992), Albarouki and Peterson (2007), and Khadivi-Khub et al (2015), 30 neutral-like traits were selected for analysis of phenotypic variation and classification. The measurement methods of these plant morphological traits followed the UPOV guidelines and the references mentioned above.…”

Section: Plant Morphology Measurementsmentioning

confidence: 99%

“…According to Judd et al (1999), the genus Crataegus comprises 265 species. Other researchers supposed that regarding nearly all geographically and morphologically deviating groups as different species resulted in an even higher number of species (Albarouki and Peterson, 2007;Khadivi-Khub et al, 2015). The most acceptable viewpoint is that the genus compromises approximately 150-1200 species (Christensen, 1992;Albarouki and Peterson, 2007;Wrońska-Pilarek et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Classification and phylogenetic analysis of Chinese hawthorn assessed by plant and pollen morphology

2016

Genet. Mol. Res.

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ABSTRACT. The Chinese hawthorn (Crataegus pinnatifida Bge. var. major N.E.Br.) is uniquely originated in northern China. The ecological and horticultural importance of Chinese hawthorn is considerable and some varieties are valued for their fruit or medicine extracts. Its taxonomy and phylogeny remain poorly understood. Apart from general plant morphological traits, pollen is an important trait for the classification of plants and their evolutionary origin. However, few studies have investigated the pollen of Chinese hawthorn. Here, an analysis of plant and pollen morphological characteristics was conducted in 57 cultivars from the Shenyang region. Thirty plant morphological characters and nine pollen grain characters were investigated. The plant morphological analysis revealed that the coefficient of variation for 13 traits was >20%, which indicates a high degree of variability. We also found that the pollen grains varied greatly in size, shape (from prolate to perprolate), and exine pattern (striate-perforate predominantly). The number of apertures was typically three. Based on these findings, we suggest that pollen morphology associated with plant morphological traits can be used for classification and phylogenetic analysis of Chinese hawthorn cultivars. In sum, our results provide new insights and constitute a scientific basis for future studies on the classification and evolution of Chinese hawthorn.

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Morphological diversity of naturally grown Crataegus monogyna (Rosaceae, Maloideae) in Central Iran

Cited by 8 publications

References 15 publications

Biological Flora of the British Isles: Crataegus monogyna

Biological Flora of the British Isles: Crataegus monogyna

Evaluation of bunch quality components in Dura x Dura progenies of Zambia and Camaroon sources of oil palm germplasm

Classification and phylogenetic analysis of Chinese hawthorn assessed by plant and pollen morphology

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