Abstract
A field experiment was conducted during the winter season 2021-2022 in Fallujah - Anbar Governorate located at 43 east longitude and 33 north latitude, in order to study the effect of three planting dates (15/11, 1/12 and 15/12) and three concentratin of kinetin (0, 75 and 150 mgl−1) on some growth and flowering characteristics of Fennel. were studied according to the split plot design according to the randomized complete block design (RCBD) and with three Replications, sowing dates occupied the main plot, while the concentrations of kinetin occupied the secondary plot. The results showed that there was a significant effect of planting dates, where the second date (1/12) was superior to giving it the highest average of plant height, number of branches per plant, leaf chlorophyll content, plant dry weight, and number of primary and secondary inflorescences per plant. Also, spraying with cyanine at a high concentration of 150 mg L−1 improved the characteristics of vegetative growth (plant height, number of branches per plant, leaf content of chlorophyll, dry weight of the plant) and flowering characteristics (primary and secondary inflorescences). The interaction between the study factors was the behavior of the individual factors in their effect on most of the studied traits, where the positive effect was in the interaction treatment between the second date and the concentration of 150 mg L−1 by giving it the highest average number of main inflorescences in the plant (96.01 inflorescences−1).
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