EFFECT OF NUMBER OF APLLICATION AND LEVELS OF SEAWEED (SEA FORCE 1) ON THE FLOWERING AND FRUITY GROWTH OF TWO SQUASH CULTIVARS Cucurbita pepo L.

This study was Conducted in the vegetable farm research , College of agriculture , Duhok university Three levels of Seaweed extract : Sea Force 1 (ie zero, 2, 3ml /L) as a foliar application in two squash Cultivars: Mullah Ahmed and Zucchini at Spring and autumn growing season / 2009 had been used. Plants were sprayed once at the beginning of flowering and twice (at the beginning of flowering and the second after, 15 days from the first spraying). Results indicated that Sea Force 1 twice caused a significant increase in the number of pistillite flower which reached 13.36 , 13.33 at the two seasons respectively, while no significant effects on the number of staminate flowers at the two growing season. We concluded that spraying with Sea Force1 twice at 3ml/L gave the best results .