عنوان مقاله [English]
Marigold is an ornamental and medicinal plant and has also industrial in cosmetalogical uses. To evaluate the effects of vermicompost and seaweed fertilizers on some morpho-physiological properties of the plant, a factorial experiment based on a randomized complete block (RCB) design with three replications was conducted in pot in Mianeh. In this experiment, the first factor was vermicompost fertilizer at four levels (0, 5, 10 and 15 t.ha-1) added to the pot soil and the second factor was for levels of liquid seaweed fertilizer (0, 1, 2 and 3 percent) sprayed on foliage. The assessed traits were leaf, root and stem dry weights, root volume, number of secondary shoots, plant height, leaf number, flowering period, number of flowers, flower diameter, dry weight of flowers, leaves electrolyte leakage, leaf area (LA) and essential oil percentage and yield. The results showed that application of vermicompost increased some traits, including plant height (18.58 cm), number of branches (4.3 branches), root volume (3.4 cm³) and leaf area index (65.55 cm2). Using 3 percent of liquid seaweed fertilizer was also effective. In general, application of 5 tons per hectare of vermicompost with 3 percent of liquid seaweed fertilizer resulted in highest flower and stem dry weights.
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