Determination of Resistance in Winter Wheat Genotypes to the Dryland Root Rots caused by Fusarium culmorum in Turkey

Orakci, Gul Erginbas; Morgounov, Alexey; Dababat, A. A.

doi:10.24180/ijaws.414501

Cited by 12 publications

(4 citation statements)

References 19 publications

(26 reference statements)

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“…Using resistant genotypes of high yielding potential is the most effective and economical way to control soil borne pathogens, especially the drought subjected areas. Researchers have been focused on Quantitative Trait Loci (QTLs) for crown rot around the world to find out resistance source (Erginbas Orakci, 2018). However, only few sources were identified with partial resistance (Wallwork et al, 2004;Collard et al, 2005;Ma et al, 2009;Li et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

RESISTANCE SOURCES OF WHEAT GENOTYPES FOR ROOT AND CROWN ROT DISEASE CAUSAL ORGANISM Fusarium culmorum (W.G. SMITH)

Imriz¹,

Özdemir²,

Taş³

et al. 2019

J. Glob. Innov. Agric. Soc. Sci

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Fusarium culmorum is a soil-borne fungus able to cause crown and root rot on different small-grain cereals, particularly in wheat and barley. For controlling such diseases, application of fungicides is inadequate in some cases besides their hazardous effects for environment and living organisms. As an alternative solution to chemicals, development and screening the resistant wheat genotypes has been emphasis in the recent plant defense studies. In the present study, totally 90 bread wheat genotypes developed for rainfed area were included in the experiment to be evaluated for resistance to F. culmorum in controlled conditions. The experiment was set up according to randomized complete block design with 4 replications for each entry. The wheat seeds were sown in the soil contaminated with F. culmorum, for control the seeds were sown in uncontaminated soil. The plants were kept in plant growth chamber at 23±2°C and 80% humidity for 8 weeks. The resistance levels of genotypes to F. culmorum were determined considering the 0-10 scale. The plant genotypes based on scale values were divided into 3 groups that were susceptible (≥3 scale value), moderately resistant (scale values between 1-3), and resistant (≤1 scale value). As a result, 2 genotypes were grouped as resistant, while 11 of genotypes were moderately resistant against F. culmorum. The rest of genotypes were taken to susceptible group with scale values above 3.

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Section: Resultsmentioning

confidence: 99%

RESISTANCE SOURCES OF WHEAT GENOTYPES FOR ROOT AND CROWN ROT DISEASE CAUSAL ORGANISM Fusarium culmorum (W.G. SMITH)

Imriz¹,

Özdemir²,

Taş³

et al. 2019

J. Glob. Innov. Agric. Soc. Sci

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“…S usceptibility to Rhizoctonia was similar for T. monococcum and T. durum , as well as certain T. aestivum cultivars, whereas other cultivars of T. aestivum were more sensitive ( Oros et al, 2013 ). Differences in tolerance to G. graminis ( Golizadeh et al, 2017 ), root-infecting Fusarium graminearum ( Wang et al, 2018 ), foot, crown and root rot-causing Fusarium culmorum ( Erginbaş Orakcı et al, 2018 ) and Pythium ( Higginbotham et al, 2004 ) occurred among T. aestivum cultivars. Wheat is also affected by parasitic nematodes, with cultivar-level differences in susceptibility of T. aestivum to cereal cyst nematodes Heterodera spp.…”

Section: Functional Diversity Of the Wheat Microbiomementioning

confidence: 99%

Significance of the Diversification of Wheat Species for the Assembly and Functioning of the Root-Associated Microbiome

2022

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Wheat, one of the major crops in the world, has had a complex history that includes genomic hybridizations between Triticum and Aegilops species and several domestication events, which resulted in various wild and domesticated species (especially Triticum aestivum and Triticum durum), many of them still existing today. The large body of information available on wheat-microbe interactions, however, was mostly obtained without considering the importance of wheat evolutionary history and its consequences for wheat microbial ecology. This review addresses our current understanding of the microbiome of wheat root and rhizosphere in light of the information available on pre- and post-domestication wheat history, including differences between wild and domesticated wheats, ancient and modern types of cultivars as well as individual cultivars within a given wheat species. This analysis highlighted two major trends. First, most data deal with the taxonomic diversity rather than the microbial functioning of root-associated wheat microbiota, with so far a bias toward bacteria and mycorrhizal fungi that will progressively attenuate thanks to the inclusion of markers encompassing other micro-eukaryotes and archaea. Second, the comparison of wheat genotypes has mostly focused on the comparison of T. aestivum cultivars, sometimes with little consideration for their particular genetic and physiological traits. It is expected that the development of current sequencing technologies will enable to revisit the diversity of the wheat microbiome. This will provide a renewed opportunity to better understand the significance of wheat evolutionary history, and also to obtain the baseline information needed to develop microbiome-based breeding strategies for sustainable wheat farming.

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“…The SBP group also works on dryland crown rot (Fusarium culmorum) resistance and has screened a large number of genotypes. In the recent study 141 genotypes and breeding lines from 19 different countries, provided by IWWIP were screened for resistance to a local isolate of F. culmorum under three different environmental conditions (growth room, greenhouse and field) in Turkey in 2012 [17] . The best genotypes in terms of resistance were then rescreened in 2013 for resistance validation.…”

Section: Research Highlightsmentioning

confidence: 99%

International Winter Wheat Improvement Program: history, activities, impact and future

Morgounov¹,

Özdemir²,

Keser³

et al. 2019

Front. Agr. Sci. Eng.

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International Winter Wheat Improvement Program (IWWIP) was established in 1986 between the Government of Turkey and CIMMYT with three main objectives: (1) develop winter/facultative germplasm for Central and West Asia, (2) facilitate global winter wheat germplasm exchange, and (3) training wheat scientists. ICARDA joined the program in 1991 making it a threeway partnership that continues to work effectively. The germplasm developed by IWWIP as well as the winter wheat cultivars and lines received from global cooperators are assembled into international nurseries. These nurseries are offered annually to public and private entities (IWWIP website) and distributed to more than 100 cooperators in all continents. IWWIP impact has primarily been in new winter wheat cultivars combining broad adaptation, high yield potential, drought tolerance and disease resistance. A total of 93 IWWIP cultivars have been released in 11 countries occupying annually an estimated 2.5-3.0 Mha. IWWIP cooperation with researchers in Turkey, Central and West Asia and several US universities has resulted in a number of publications reviewed in this paper. Important IWWIP impacts include national inventories of wheat landraces in Turkey, Tajikistan and Uzbekistan, their collection, characterization, evaluation and utilization.

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Determination of Resistance in Winter Wheat Genotypes to the Dryland Root Rots caused by Fusarium culmorum in Turkey

Cited by 12 publications

References 19 publications

RESISTANCE SOURCES OF WHEAT GENOTYPES FOR ROOT AND CROWN ROT DISEASE CAUSAL ORGANISM Fusarium culmorum (W.G. SMITH)

RESISTANCE SOURCES OF WHEAT GENOTYPES FOR ROOT AND CROWN ROT DISEASE CAUSAL ORGANISM Fusarium culmorum (W.G. SMITH)

Significance of the Diversification of Wheat Species for the Assembly and Functioning of the Root-Associated Microbiome

International Winter Wheat Improvement Program: history, activities, impact and future

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