Abstract
An experiment to assess the effect of different rates of nitrogen and potassium on morphological traits of Zinnia was conducted at the Sindh Agriculture University, Tandojam during the year 1997. The fertilizer treatments comprised 20-10, 20-15, 40-10, 40-15, 60-10 and 60-15 g NK/4mz. The maximum plant height (74.50cm), branches per plant (16.05), leaves per branch (17.75), blooming period (55.00 days), flowers per plant (15.05) and flower weight (13.25g) were recorded with the application of 60 g N+15 g KZ05/4mz .Mean squares attributable to treatments differed highly significantly for all the quantitative traits showing the importance of fertilizer treatments in influencing morphological characteristics of Zinnia plant.
