Yazar "Sahin, C. B." seçeneğine göre listele

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    Effect of Leaf Damage Ratios on Peanut ( Arachis hypogaea L.) Production and Quality
    (Tarbiat Modares Univ, 2024) Yilmaz, M.; Sahin, C. B.; Isler, N.
    This study was carried out to determine the effects of leaf damage rates at different growth stages of peanut ( Arachis hypogaea L.) cultivars under Eastern Mediterranean conditions of Turkey (Osmaniye Province). The study was conducted in completely randomized design in split -split -plots with three replications, in 2020 and 2021. Cultivars NC 7 and Halisbey were in the main plots, growth stages (R1, R2 and R3) in sub -plots, and leaf damages (control, 25, 50, and 75%) in the sub -sub -plots. Yield and various quality parameters were measured and recorded. The highest value of the number of pods per plant was obtained from the Halisbey (24.5 +/- 0.4) cultivar, the R2 period (23.5 +/- 0.6), and the control (25.7 +/- 0.6) treatment. The number of pods per plant decreased when the leaf damage increased. The highest pod yield was obtained from NC 7 cultivar (2302 +/- 8.2 kg ha(-1)) and R1 period (2041 +/- 9.1 kg ha(-1) ). The order of leaf damage treatments in terms of yield was as the control (2536 +/- 8.8 kg ha(-1)), 25% LD treatment (2011 +/- 8.0 kg ha(-1)), 50% LD treatment (1906 +/- 11.9 kg ha(-1)), and 75% LD (1481 +/- 7.6 kg ha(-1)). Thus, it was determined that the selection of cultivars and integrated control against diseases and pests are important in order to reduce the effect of leaf damage on the quality and yield of peanuts in Osmaniye conditions.
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    GENOTYPE BY ENVIRONMENT INTERACTION AND GGE BIPLOT ANALYSES IN DURUM WHEAT UNDER WATERLOGGING STRESS
    (Pakistan Agricultural Scientists Forum, 2023) Tiryakioglu, M.; Akcali, C. T.; Sahin, C. B.; Karanlik, S.; Ergun, N.
    Waterlogging is one of the major limitations that reduce productivity in wheat all over the world. The present study aimed to identify waterlogging-tolerance in durum wheat genotypes. Thirty-two durum wheat genotypes were screened under aerobic and anaerobic conditions using randomized complete block design with three replications. High-purity nitrogen gas was used to provide and maintain waterlogging stress, while the control group was aerated with the air. Growth and physiological parameters i.e., shoot dry weight gain, root dry weight gain, total dry biomass weight gain, plant leaf area, dry leaf weight, specific leaf weight, chlorophyll content, carotenoid content, and their tolerance indices were determined. Durum wheat seedlings grown under anaerobic conditions had significantly lower shoot dry weight, total dry biomass weight, specific leaf weight, chlorophyll a, and chlorophyll a + b content. Results further revealed that the tolerance indices varied depending on wheat cultivars for the investigated parameters. Harran 95 under aerobic condition and Eminbey under anaerobic condition had the highest tolerance indices for shoot dry weight gain and total dry biomass weight gain. However, Kiziltan 91 had the highest tolerance indices for root dry weight gain under these two conditions. For these reasons, Kiziltan 91 came to forefront position with its stability and could be used in durum wheat breeding. For identifying the correlation of tolerance index with seed yield and potential genotypes to be used as a selection criterion, further studies are needed under field conditions.