Yield gain due to fungicide application in varieties of winter wheat (Triticum aestivum) resistant and susceptible to leaf rust

Morgounov, Alexey; Akın, Beyhan; Demir, L.; Keser, Mesut; Кохметова, Алма; Martynov, S. P.; Orhan, Şinasi; Özdemir, Fatih; Özseven, İzzet; Sapakhova, Zagipa; Yessimbekova, Minura

doi:10.1071/cp14158

Cited by 19 publications

(20 citation statements)

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“…On a national level, Turkey's southern spring wheat belt contributes substantially to total crop production; yields are 15%-20% higher than the national average (http:// www.officialstatistics.gov.tr) and the crop is less vulnerable to abiotic stresses like drought and cold. In concurrence with Morgounov et al (2015), this study has demonstrated that leaf rust represents a major threat to spring wheat, substantially reducing grain yield if fungicide protection is not applied. This study focused on three main spring wheat environments and their respective breeding programs.…”

Section: Discussionsupporting

confidence: 70%

“…Despite its location in a rust hot spot, the MRS-Adapazarı breeding program needs to enhance resistance for all three rusts. There are recent arguments (Morgounov et al, 2015) for utilizing fungicide protection to control rusts and other pathogens, increase yield, and extend the durability of resistance. Many farmers growing spring wheat in Turkey routinely apply fungicides, but there remains a pressing need to incorporate durable and diverse resistance into new varieties.…”

Section: Discussionmentioning

confidence: 99%

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Genetic gains in grain yield in spring wheat in Turkey

Akın¹,

Sohail²,

Ünsal³

et al. 2017

Turk J Agric For

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Genetic gain for grain yield was evaluated in 35 Turkish spring wheat varieties released between 1964 and 2010. The germplasm comprised varieties developed by the East Mediterranean Agricultural Research Institute (ARI) in Adana, the Maize Research Station in Adapazarı, and Aegean ARI in İzmir. Out of 34 varieties studied, 24 were selected from CIMMYT germplasm. The trials were conducted during 2009-2013 at the same three sites. Average yearly genetic gain for all varieties was 30.9 kg/ha or 0.62%. The top five highest yielding varieties were all released after 1998: Ziyabey, Menemen, and Meta (İzmir), and Karatopak and Ceyhan (Adana). Plant height had a clear tendency to decrease over time. Genetic gain in yield was associated with genetic gains in harvest index (0.51%), the number of spikes/m2 (0.29%), and the number of grains/spike (0.26%). Kernel size and biomass did not change over time and represent traits to be explored in the future. The newest varieties combined higher yield with yield stability. Resistance to leaf rust contributed greatly to yield genetic gain. Turkish breeders made a substantial impact on national grain supply and food security. Future breeding strategies shall combine the utilization of CIMMYT germplasm, a diverse modern gene pool, and genetic resources in an integrated national breeding program.

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Section: Discussionsupporting

confidence: 70%

Section: Discussionmentioning

confidence: 99%

Genetic gains in grain yield in spring wheat in Turkey

Akın¹,

Sohail²,

Ünsal³

et al. 2017

Turk J Agric For

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“…Increasing application of fungicides on wheat in the region and globally inspired experiments in Turkey and Kazakhstan to evaluate response to fungicide protection in winter wheat germplasm with variable degrees of resistance [9] . The yield loss of genotypes susceptible to leaf rust varied from 30% to 60% depending on the environment and severity of infection.…”

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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“…La incidencia de estas enfermedades provoca pérdidas en el rendimiento de grano de 7.3 a 28.6% (Hortelano-Santa Rosa et al, 2016) o hasta de 60% por presencia de roya amarilla (Huerta-Espino y Singh, 2000), de 5.5 a 25.9% por roya de la hoja (Leyva-Mir et al, 2003). Asimismo, la incidencia de enfermedades foliares afectan la calidad física del grano, las características reológicas de la masa y la calidad panadera (Morgounov et al, 2015;Castro y Simón, 2016;Castro y Simón, 2017;Fleitas et al, 2018).…”

Section: Introductionunclassified

La incidencia de roya amarilla y la calidad industrial del grano y la masa en trigo harinero

Martínez-Crúz

Buendía-Ayala

Mir

et al. 2019

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Dado que la incidencia de la roya amarilla en trigo afecta la calidad física del grano, así como el de la harina y masa. El objetivo de ésta investigación fue evaluar el efecto de la roya amarilla en la calidad física del grano y de la masa en función de la presencia y ausencia de la enfermedad en genotipos de trigo harinero. Los genotipos se sembraron bajo temporal en un diseño experimental de bloques al azar con dos repeticiones en un arreglo de parcelas divididas, en la parcela grande estuvieron los tratamientos con y sin fungicida y en las chicas las variedades. La incidencia de roya amarilla fue natural y el fungicida utilizado fue Folicur®. En campo se estimó el porcentaje de incidencia de roya amarilla y en el laboratorio la calidad física evaluó: el porcentaje de granos llenos y chupados, su largo y ancho, el peso de mil granos, peso hectolítrico, así como dureza de grano, rendimiento harinero, proteína en harina, volumen de sedimentación y tiempo de amasado. Se realizó un análisis de varianza y correlaciones de Pearson y las medias se compararon con la prueba de Tukey. La roya amarilla disminuyó la calidad física del grano y el rendimiento harinero. Los genotipos con incidencia menores al 20 % de roya con y sin la aplicación del fungicida presentaron menores pérdidas en porcentaje de granos llenos, peso de mil granos, peso hectolítrico y rendimiento harinero. Mientras que en la mayoría de los genotipos el contenido de proteína en harina y las variables evaluadas en la masa no mostraron diferencias con y sin la presencia de la enfermedad. Por lo que el uso de genotipos tolerantes a la roya amarilla se relacionó con una mayor calidad física del grano, pero no con la de harina y masa.

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Yield gain due to fungicide application in varieties of winter wheat (Triticum aestivum) resistant and susceptible to leaf rust

Cited by 19 publications

References 13 publications

Genetic gains in grain yield in spring wheat in Turkey

Genetic gains in grain yield in spring wheat in Turkey

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

La incidencia de roya amarilla y la calidad industrial del grano y la masa en trigo harinero

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