Effect of nitrogenic fertilizer and seaweed extract (fitoalg)‎ in some green growth and total yield on the plant coriander, Coriandrum sativum L.

الملخص EN

This research was done in the Department of Biology/ Education College for Girls/ University of Mosul during the period from 2nd October/2012 till 25th March/ 2013 on the (Coriandrum sativum L.) for studying the response of the plant to fertilizing with the nitrogen fertilizer with three levels which are: zero, 50 and 100Kg.h-1 and the spraying with the Seaweed extract (Fitoalg) in three concentrations which are: zero, 1 and 2 cm3.L-1 experiment was carried out by designing the factorial experiment conducted in a Randomized Complete Block Design..

The results showed that the nitrogen fertilization in its two used concentrations has a significant effect in recording highest values for the properties of plant height, number of leaves, leafy area, stem diameter and the dry and fresh weights for the total chlorophyll besides total height of the Coriander.

The spraying of the plant with the seaweed extract in 1cm3.L-1 had a significant effect in recording highest values for the properties of plant height about 34.33cm and leaves area 62.84cm2.plant-1 and fresh weight 26.57g and concentration each of chlorophyll and carotene about 17.31mg.100g-1 fresh weight and 6.32mg.100g-1 fresh weight successively.

The results of the interaction between the factors referred that the best values were recorded for the most studied properties when the factors interaction with each other especially at the fertilization with the level 50Kg.h-1 with concentration about 1cm3.L-1.