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Öğe Investigation of the factors affecting first flowering time of Tulipa gesneriana by path analysis(2020 Aralık) Çığ, Arzu; Mikail, NazireCorrelation coefficients have shown that first flowering time of Tulip was positively and significantly correlated with flower length and negatively and significantly correlated with leaf number. The path analysis has shown that just flower length had the positive significant direct effect to the first flowering time. These parameters may be useful as predictors of the best first flowering time. Path analysis has an important role in revealing the relationships between variables in multivariate analysis and calculating their direct and indirect relation shares with the predicted variable. In agricultural sciences, the direction and amount of the relationships between the characteristics studied in natural phenomena, as well as the calculation of the impact shares in the total relationship are very important in future predictions or finding the best yield. For this reason, estimation of first flowering time, which is an important feature in ornamental plant cultivation, or determining the factors affecting its shortening, will ensure that this feature is kept under control by the cultivator.Öğe The Effects of Different Planting Times and Vermicompost Applications on The Some of Morphological Properties of The Hyacinth (Hyacinthus orientalis "Fondant") Growing in The Siirt Ecological Conditions(Uluslararası Bilim ve Mühendislik Sempozyumu, 20-22 Haziran 2019/Siirt/Turkey, 2019-07) Koçak, Arzu; Çığ, ArzuIn this study, Hyacinthus orientalis “Fondant” hyacinth variety bulbs grown in Siirt ecological conditions were planted in 2016 at 15 days each between 14 November (1PT), 01 December (2PT) and 16 December (3PT). The study was carried out with 3 replications according to the “randomized block test design” in the experimental area of the Siirt University Faculty of Agriculture. Earthworm fertilizer (V) (vermicompost) were applied to the planting pits of the bulbs planted at different planting times with 100 g/bulb In addition, control plots (C) which are not fertilized were formed. In the course of morphological observations, as a result of interactions of planting time and fertilizer application,the lowest and the highest average values were obtained, respectively, 7.980-8.540 unit for leaf number (3PTxC-3PTxV), 154.633-191.873 mm for leaf length (1PTxV-3PTxC), 20.990-30.683 mm for leaf width (2PTxC-1PTxV), 215.106-232.376 mm for plant height (1PTxC-2PTxV) and 13.106-14.886 mm for stem thickness (3PTxC-2PTxC). Among these mean values, only the difference between mean stem thickness and planting times were taken into consideration, the difference between the average value of leaf length were was found to be statistically significant (p<0.01). At the end of the study, it was determined that vermicompost had a more favorable effect on the parameters than the control and the 2 and 3. planting times were more suitable for the cultivation of hyacinths.
