Effects of substrates and temperatures on Cynara cardunculus L. seed germination
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The aim of this study was to determine the effects of substrates and temperatures on Cynara cardunculus seed germination. The tests encompassed the following substrates - filter paper, sand and compost. The follow-ing temperature regimes were applied on each substrate used for germination tests: 20/30°C (T 1), 20°C (T 2) and 25°C after 10-day chilling at 10°C (T 3). The analysis of variance showed that there were statistically significant differences between the first counts and the total seed germination, depending on the substrate type, tempera-ture regime and medium × temperature regime interaction The highest germination was detected on filter paper, whereas the lowest was on sand. Furthermore, the highest germination was determined at a constant temperature of 20°C (T 2), while the lowest, at a temperature regime of 25°C after 10-day chilling at 10°C (T 3).