Popis: |
This research carried out in AL-Shallal nursery which located at Mosul city / Iraq, during the period from 15th September 2003 to the first of May 2004. Two weight of freesia corms, big (6-9) g and small 1.5g from two varieties (Freesia corona and Freesia Prominence) were planted at four different dates (15th Sept 6th Oct , 27th Oct , and 17th Nov , 2003) in clay pots (25 cm in a diameter) which filled with three different agriculture media as following : 1. Site soil + manure of sheep + building sand at a rate of 3 : 1 : 1 . 2. Site soil + peat moss + building sand at a rate of 3 : 1 : 1 . 3. Site soil + manure of sheep + peat moss at a rate 3 : 1/2 : 1/2 . Result of this study could summaries as following : Planting the big size of corms in 6th of October 2003 was one of the best treatment, which differ from all other treatment and caused a significant increase in flowering stage and the flowing feature of freesia corms . This study refers that planting the small size of corms on 15th of September 2003 was the best treatment as a highest flower stem and large number of flowers stem and the greatest diameter . At the some times the small size of corms which planted at 27th November 2003 had the a significant effect on vegetative growth and number of new corms per plants . Using the first agriculture media had a significant effect on some of the corms and cormels yield features of both varieties . Result showed that there are significant differences between two varieties in the period of growing the flowerets shoot and a pearing the distinguished the period needs to open and according to these results corona variety is considered an earlier on caparison with prominence variety . |