Evaluation of Different Wheat Genotypes Reaction to Stripe Rust (Puccinia striiformis f.sp. tritici) under Field Conditions in Ardabil Province

Hk, Khiavi; Aa, Mirak; Akrami, Mahmoud; Khoshvaghtei, Hossein

doi:10.4172/2157-7471.1000426

Cited by 3 publications

(2 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For this reason, artificial disease inoculation was conducted using the PstS7 race in Ankara and the effect of the local stripe rust population was examined in Izmir. The artificial inoculum of the PstS7 race was sprayed with a water mist containing a mixture of urediniospores and talcum powder (1:20) in the early evening times, at the boot stage of wheat genotypes planted in Ankara (Khiavi et al, 2017). Two different differential sets were sown at both locations to control whether there is a different stripe rust race contamination from outside of Ankara and to learn about population structure in Izmir.…”

Section: Adult Plant Stage Testsmentioning

confidence: 99%

“…Disease evaluations were performed two times at both locations. The genotypes were evaluated at the flag leaf stage when the disease was developed well on susceptible control based on the method presented by Khiavi et al (2017). Infection type and disease severity of the genotypes were used to calculate the coefficient of infection (CI).…”

Section: Adult Plant Stage Testsmentioning

confidence: 99%

See 1 more Smart Citation

Identification of genetic immunity to the warrior race and local population of stripe rust using conventional techniques in winter wheat genotypes

KOÇ¹,

Turgay²,

KOZVEREN³

et al. 2023

Harran Tarım Ve Gıda Bilimleri Dergisi

View full text Add to dashboard Cite

Wheat stripe rust caused by the Puccinia striiformis f. sp. tritici (Pst) is a major and devastating biotic stress inducing notable product losses in wheat (Triticum spp.). Possibility of the breakdown of important genes conferring resistance against to stripe rust and the threat of emergence of new aggressive races remain a concern in all wheat growing areas around the world. Therefore, breeding programs must continue screening of wide genetic diversity to improve new varieties with different gene combinations against race changes. Within this scope, 140 wheat genotypes obtained from various countries and programs were evaluated in terms of their reactions to stripe rust at both seedling and adult-plant stages in 2020 and 2021 growing seasons. The adult-plant stage evaluations of these genotypes were conducted under artificial inoculation of PstS7 (Warrior) race at Haymana location of Field Crops Central Research Institute in Ankara and under naturally occurring local stripe rust population at Menemen location of Aegean Agricultural Research Institute in Izmir. Whereas the seedling stage tests were carried out using the PstS7 race under controlled conditions at Pest and Disease Resistance Unit of the Field Crops Central Research Institute. More than 80% of the genotypes tested at both locations exhibited immune, resistant, and moderately resistant reactions at the adult-plant stage, while only 36.4% of the genotypes exhibited resistance reactions at the seedling stage. The coefficients of infection (CI) of the genotypes were calculated by using the stripe rust reaction and disease severity of each genotype. Following scales were used for classification of the genotypes based on the CI: 0 = Immune; 0.1-5.0 = Resistant; 5.01-20.0 = Moderately Resistant; 20.1-40.0 = Moderately Susceptible; 40.1-100 = Susceptible. In conclusion, 101 genotypes (72.1%) evaluated at both locations were found to be immune, resistant, and moderately resistant to both the PstS7 race and local stripe rust population. These genotypes have been proposed as resistance gene sources for cultivars to be developed.

show abstract

Section: Adult Plant Stage Testsmentioning

confidence: 99%

Section: Adult Plant Stage Testsmentioning

confidence: 99%