Variation of agronomic and qualitative traits and local adaptation of mountain landraces of winter rye (Secale cereale L.) from Val Venosta/Vinschgau (South Tyrol)

Peratoner, G.; Seling, Simone; Klotz, Christian; Florian, C.; Figl, U.; Schmitt, Armin O.

doi:10.1007/s10722-015-0245-3

Cited by 21 publications

(17 citation statements)

References 24 publications

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“…), rye (Secale cereale), potatoes (Solanum tuberosum), and barley (Hordeum spp.) [48,[61][62][63]. As shown by this study, most of the landraces that are part of the Fabaceae family are cultivated in hilly and sub-mountain areas and 70% are beans (Figure 8).…”

Section: Resultsmentioning

confidence: 89%

The Analysis of Italian Plant Agrobiodiversity Databases Reveals That Hilly and Sub-Mountain Areas Are Hotspots of Herbaceous Landraces

et al. 2021

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Landraces are an agri-food and historical-cultural heritage but are undergoing losses worldwide. Italy is taking action to counteract this problem by following European guidelines. One of the most important measures is the Agrobiodiversity National Register (ANR), but 12 Italian regions currently appear without any landraces and around 80% of the landraces listed are trees, with less detailed data on herbaceous species. The aim of this study is to investigate the situation for Italian herbaceous landraces preserved on farms (in situ) by merging and analyzing data contained in the main databases on plant agrobiodiversity in Italy. Data were georeferenced, organized by botanic families and Italian regions, and analyzed by GIS and R. A total of 1615 herbaceous landraces were found (versus the 416 recorded in the ANR). Poaceae, Fabaceae, and Solanaceae together comprise 70% of all herbaceous landraces and are mostly preserved/grown in areas between 150 and 800 m a.s.l. Some hilly and sub-mountain areas of the Apennines and the Alps are hotspots of herbaceous landraces due to anthropic and environmental factors. The results of this research will be useful to enrich the ANR and trigger actions of characterization, conservation, and promotion of these plant resources.

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Section: Resultsmentioning

confidence: 89%

The Analysis of Italian Plant Agrobiodiversity Databases Reveals That Hilly and Sub-Mountain Areas Are Hotspots of Herbaceous Landraces

et al. 2021

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“…Most accessions were characterized by light green and green leaf color. The presence of leaf lobe Leaf length-width ratio (LWR) The ratio of leaf length to leaf width (5) Petiole length (PL) Length of leaf stalk (cm) (6) Days to 50% flowering (50 FLR) Number of days from sowing to 50% flowering (7) Number of primary branches (PB) Number of branches from main stem (8) Number of secondary branches (SB) Number of branches from the secondary stem (9) Plant canopy (PC) Plant width taken at widest point (cm) (10) Flower diameter (FD) The width of an open flower (mm) (11) Pedicel length (PEDL) The stalk of the flower (mm) (12) Fruit length (FL) Length of mature fruit excluding the pedicel (13) Days to first mature pods (DMP) Number of days from sowing to first mature pod (14) Harvest index (HI) Ratio of total harvestable leaves to total weight of the plant (15) Number of leaves (NL) Counted from individual plant during flowering (16) Biomass yield (BY) Total weight of the plant above the ground surface (gm) (17) Number of pods/plant (NPP) Counted from individual plant at maturity stage (18) Weight of 1000 seeds (W1000S) Measured in weighing balance after counting (19) Seeds per pod (SP) Counted from individual pod (20) Cotyledon color (CC) (3) Light green, (5) green, (7) purplish green (21) Stem color (ST) (3) Brown, (5) green, (7) red-purple (22) Leaf color (LC) (1) Light green, (3) green, (5) dark green, (7) purple, (9) dark purple (23) Leaf lobe (LL) (0)Absent, (1) present (24) Setae (S) (1) Small, (2) large (25) Leaf shape (LS) (1) Ovate, (3) elliptical, (5) cordate, (7) palmate (26) Leaf base (LB) (1) Rounded, (3) sagittate, (5) acute (27) Leaf apex (LA) (1) Acuminate, (3) caudate, (5) acute, (7) pale brown (67%), brown (11.7%), and dark brown (21.3%). The accessions were also highly variable in terms of stipule color and petiole color.…”

Section: Variation In Qualitativementioning

confidence: 99%

“…Characterization of genetic diversity among accessions of different germplasms by using phenotypic traits is an initial step towards crop improvement [16][17][18]. The variation in these traits can be used to classify materials into different groups.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Morphological Diversity of Jute Mallow(Corchorus spp.)

Ngomuo

Stoilova

Feyissa

et al. 2017

International Journal of Agronomy

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Jute mallow is a traditional leaf vegetable that is an important part of daily diet for the majority of people in rural areas in sub-Saharan Africa. Here we employed quantitative and qualitative phenotypic traits to assess the morphological diversity of 90 accessions using univariate and multivariate analyses. Field experiments were conducted for two seasons to identify accessions suitable for leaf yield. The accessions were significantly variable in all traits. Highest variability among accessions was found in harvest index, biomass yield, and weight of 1000 seeds. The traits that significantly correlated with biomass yield include plant height ( = 0.448), petiole length ( = 0.237), primary branches ( = 0.319), and number of leaves per plant ( = 0.333). Principal component analysis showed that the first five PCs with eigenvalues ≥1 explained 72.9% of the total variability in the accessions. Pods per plant, primary branches, secondary branches, and number of leaves per plant accounted for highest variability in PC1. Cluster analysis grouped the accessions into five major clusters mainly based on their origin. Thus, the collection displayed high variation in morphological traits, particularly those related to leaf yield. These accessions are therefore useful in breeding for the improvement of the crop and germplasm management.

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“…Whereas, accessions in the opposite side, SA001, SA002, and SA004 are associated , widest plant canopy, high leaf length-leaf width ratio and number of pods per plant. Accession AV007 shared most characteristics with its fellow WVC accessions but slightly differed with regards to days to 50% flowering and leaf width.DiscussionMorphological characterisation of plant species is an important step in crop improvement programmes as it permits breeders to identify and select superior lines for further crop advancement(Adebola and Morakinyo 2006;Das and Kumar 2012;Julia et al 2016;Peratoner et al 2016;Ngomuo et al 2017). In this study, the Corchorus accessions were evaluated in the field for agro-morphological traits and revealed huge variability in days to 50 % flowering, plant height, canopy width, leaf length, leaf width, petiole length, stem and pod diameter, pod length, number of leaves, branches and pods per plant, number of seeds per pod, and fresh and dry mass as shown inTable 2.…”

mentioning

confidence: 99%

Characterisation of agro-morphological traits ofcorchorusaccessions

Dube

Marais

Mavengahama

et al. 2018

Acta Agriculturae Scandinavica, Section B — Soil & Plant Sc

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The genus Corchorus includes nutrient rich indigenous leafy vegetables often grown or harvested in the wild in Africa. It has potential to contribute to food security, but there is need to improve it as a crop through plant breeding. However, not much is known about the genetic variability among Corchorus species. The aim of this study was thus to characterise the available germplasm of Corchorus accessions and investigate heritability of their agro-morphological traits. Materials and methods: Eleven Corchorus accessions (4 South African and 7 from the World Vegetable Center) were evaluated in a field study at Roodeplaat, South Africa, for their morphoagronomic traits using a randomised complete block design with three replications across two seasons (2015/2016 and 2016/2017). Data were subjected to ANOVA, principal component analysis and cluster analysis. Broad sense heritability, genetic advance, genetic parameters and correlations were determined among the accessions and traits. 1 Results and conclusions: The Corchorus accessions showed significant (P<0.05) differences in all the quantitative traits evaluated. The data showed significant variability among the studied Corchorus accessions in their agro-morphological traits for exploitation in future breeding programs that in turn can contribute to the improvement of this crop.

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Variation of agronomic and qualitative traits and local adaptation of mountain landraces of winter rye (Secale cereale L.) from Val Venosta/Vinschgau (South Tyrol)

Cited by 21 publications

References 24 publications

The Analysis of Italian Plant Agrobiodiversity Databases Reveals That Hilly and Sub-Mountain Areas Are Hotspots of Herbaceous Landraces

The Analysis of Italian Plant Agrobiodiversity Databases Reveals That Hilly and Sub-Mountain Areas Are Hotspots of Herbaceous Landraces

Characterization of Morphological Diversity of Jute Mallow(Corchorus spp.)

Characterisation of agro-morphological traits ofcorchorusaccessions

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