Akademik Veri Yönetim Sistemi
Analele Universitatii din Oradea, Fascicula Biologie, cilt.27, sa.2, ss.187-194, 2020 (Scopus)
© 2020, Analele Universitatii din Oradea, Fascicula Biologie. All rights reserved.This study aimed to explain the effects of different concentrations of calcium (0, 40, 80 and 120 ppm Ca), which showed an antagonistic effect on toxic levels of boron (0, 15, 30 and 45 ppm B), on growth and soluble carbohydrate levels in the seedlings of Triticum durum Desf. cv Kiziltan-91, which was sensitive to B toxicity, and Triticum aestivum L. cv Giin-91, which was tolerant to B toxicity. Compared to the control, all B concentrations treated alone caused a decrease in root length in Giin-91, all of them except for B45 resulted in increased root length in Kiziltan-91and B30 and B45 treatments reduced shoot length and shoot fresh weight in both cultivars. The longest shoot length was determined in Ca80 treatment in both cultivars. Among the B+Ca treatments, B15 + Ca120 and B45 + Ca120 increased shoot length in Giin-91, while B30 + Ca80 treatment increased shoot length in Kiziltan-91 when compared to all B concentrations treated alone. In both cultivars, the highest root fresh weight was found in Giin-91 treated with b15 + Ca120. B45 treatment decreased shoot dry weight and relative water content (RWC) in both cultivars and root dry weight in Kiziltan-91. The inhibitory effect of 45 ppm B on RWC was reduced by the presence of Ca in both cultivars. Compared to all B treatments, B45+ Ca40 was determined as the common treatment that increases RWC in both cultivars. The highest RWC value was determined in Ca40 treatment in Kiziltan-91. The lowest glucose level was determined in the B45 treatment in Giin-91 when compared to the control, and the same treatment led to decreased fructose amounts in both cultivars. The toxic effect on glucose of 30 and 45 ppm B was observed to be alleviated by calcium application, particularly at 120 ppm in both cultivars. Compared to all B treatments, B30+ Ca120 was determined as the common treatment that increases both glucose and fructose amounts in both cultivars. Findings show that the treatment of appropriate Ca concentrations might be useful in reducing B toxicity.