Genome-Assisted Improvement Strategies for Climate-Resilient Carrots

Bolton, Adam; Klimek-Chodacka, Magdalena; Martin-Millar, Emily; Grzebelus, Dariusz; Šimon, Petr

doi:10.1007/978-3-319-97415-6_6

Cited by 4 publications

(6 citation statements)

References 166 publications

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“…Relatively little has been published on the mechanisms underlying abiotic stress tolerance in carrot (Bolton et al., 2020). The purpose of this study was not to examine abiotic stress tolerance but several studies have examined biochemical and molecular mechanisms underlying tolerance in carrot.…”

Section: Resultsmentioning

confidence: 99%

“…Relatively little research has been reported for abiotic stress tolerance in carrot (Bolton, Klimek‐Chodacka, Martin‐Millar, Grzebelus, & Simon, 2020; Grzebelus, 2019). In the most extensive studies, Vieira et al.…”

Section: Introductionmentioning

confidence: 99%

“…Relatively little research has been reported for abiotic stress tolerance in carrot (Bolton, Klimek-Chodacka, Martin-Millar, Grzebelus, & Simon, 2020;Grzebelus, 2019). In the most extensive studies, Vieira et al (1983) evaluated carrot seed germination under heat stress (35˚C) in a collection of diverse germplasm, finding wide variation for heat tolerance (Nascimento, Vieira, Silva, Reitsma, & Cantliffe, 2008;Pereira, Nascimento, & Vieira, 2007;Vieira, Cruz, Nascimento, & Miranda, 2005).…”

Section: Introductionmentioning

confidence: 99%

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Wild carrot diversity for new sources of abiotic stress tolerance to strengthen vegetable breeding in Bangladesh and Pakistan

et al. 2020

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Crop wild relatives (CWRs) of carrot (Daucus. carota L.) including 64 germplasm accessions of D. carota L. subsp. carota, D. carota L. subsp. capillifolius (Gilli) Arbizu, and D. carota L. subsp. gummifer (Syme) Hook. f., as well as two accessions of another 18‐chromosome species, D. syrticus Murb., were grown in field trials to flowering under conditions of heat, drought, and salinity stress in Bangladesh and Pakistan. Plant growth before floral initiation was evaluated and plants were allowed to progress to flowering to evaluate seed production. A wide range of response was observed among entries ranging from no germination or plant death early in development to vigorous growth. Carrot grown under optimal conditions in the greenhouse served as a useful control to estimate tolerance indices in the field. New sources of heat and drought tolerance in subsp. carota and subsp. capillifolius accessions were identified with similar performance in both countries. Ecogeographic analysis demonstrated that environmental parameters at the collection location of germplasm were associated with heat and drought tolerance observed in field trials. Plants evaluated for tolerance were allowed to flower and seed was produced on selected plants with abiotic stress tolerance to develop populations or breeding pools and to initiate the development of carrot better adapted to climatic abiotic stress.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wild carrot diversity for new sources of abiotic stress tolerance to strengthen vegetable breeding in Bangladesh and Pakistan

et al. 2020

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“…sativus var. atroburens), whose color ranges from yellow to dark purple (black carrot), accumulates anthocyanins as major pigments, whereas Western carrot varieties appear white to orange due to the accumulation of carotenoids [1,2]. Molecular approaches have located Central Asia as the origin for the carrot, with a rapid domestication process that spread carrots into North Africa, Anatolia, Asia and later into Europe by the 14th century [1,3].…”

Section: Introductionmentioning

confidence: 99%

“…Different lowercase letters within the columns indicate statistical significance according to Tukey's test (p ≤ 0.05). Accession identification(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12) is shown in Table1. DW: dry weight.…”

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confidence: 99%

Comparative Characterization of Eastern Carrot Accessions for Some Main Agricultural Traits

Acosta‐Motos¹,

Díaz‐Vivancos²,

Becerra-Gutiérrez³

et al. 2021

Agronomy

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Background: Unevaluated open-pollinated germplasm represents a promising source of variability to face the problems of worldwide food production under a changing environment. In carrots, this is particularly true for black carrot accessions, which are the most relevant among Eastern carrot germplasm due to their high anthocyanin content and, concomitantly, antioxidant capacity. Methods: In the present work, a comparative characterization was conducted for the first time on 11 Eastern carrot landraces and Night Bird ‘F1’ as the reference cultivar, grown under glasshouse conditions at temperatures up to 33 °C. Results: Some landraces showed their potential for ulterior evaluation in terms of plant and taproot size, plant compactness, specific leaf area and leaf area ratio, among other traits. The highest anthocyanin and flavonoid contents were found in the reference cultivar, whereas remarkable differences in these variables were observed for the rest of accessions, which in turn may correlate with very distinct coloration patterns. Premature bolting and taproot shape abnormalities were also recorded. Mineral composition analysis showed the nutritional potential of Eastern carrot leaves, which displayed higher concentration than taproot tissue for several macro- and micronutrients. Moreover, several accessions had higher nutrient concentrations than the reference cultivar, which also highlights their profitability. Conclusions: This work contributes to the knowledge on Eastern black carrot germplasm by characterizing some of its main agricultural traits, and opens up the prospect for complementary evaluation on high-yield accessions.

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Genomic Designing for Abiotic Stresses in Carrot (Daucus carota L.)

Selvakumar

Kalia²

2022

Genomic Designing for Abiotic Stress Resistant Vegetable Crops

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Genome-Assisted Improvement Strategies for Climate-Resilient Carrots

Cited by 4 publications

References 166 publications

Wild carrot diversity for new sources of abiotic stress tolerance to strengthen vegetable breeding in Bangladesh and Pakistan

Wild carrot diversity for new sources of abiotic stress tolerance to strengthen vegetable breeding in Bangladesh and Pakistan

Comparative Characterization of Eastern Carrot Accessions for Some Main Agricultural Traits

Genomic Designing for Abiotic Stresses in Carrot (Daucus carota L.)

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