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The Effect of Leaf Extracts in Different Growth Periods of Bituminaria bituminosa (L.) C.H. Stirt. on Some Germination and Seedling Development Parameters of Wheat

2019    Acar, Zeki; Leblebici, Sema; Gulumser, Erdem; Can, Mehmet; Ayan, Ilknur

The aim of this study was to determine the effect of Bituminaria bituminosa (L.) C.H. Stirt. leaf extracts obtained at beginning of growth, budding and beginning of flowering on germination and seedling growth characteristics of wheat (Tritkum aestivum L.). In the study, 12 B. bituminosa genotypes leaf extracts (G) were used, and the control group was consisted of distilled water. In the study, germination percentage, root and shoot length, root and shoot fresh-dry weight, root and shoot biomass and seedling vigor index were investigated. The highest germination percentage was found in G1 as 99.55%, and the lowest was found in G2 with 93.93%. The root and shoot length ranged from 6.49-16.28 and 7.58-12.67 cm, respectively. The highest seedling vigor index was found in G5 (2813.50), G9 (2619.74). G11 (2657.05) and G12 (2657.71), while it was lowest control group (1343.71). As a result, the G9, G10, and G11 showed higher performance in terms of investigated traits. Resides, the B. bituminosa genotypes leaf extracts obtained at the budding stage were higher and had positive allelopathy effect compared to the other growth stages.