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EFFECT OF SPRAYING WITH YEAST SUSPENSION ON VEGETATIVE, FLORAL GROWTH CHARACTERS AND VASE LIFE OF FREESIA. | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 40, Issue 1, 2009, Pages 110-119 | ||
| Author | ||
| Abstract | ||
| This search contained two experiments, field and Lab. vase life of Freesia flowers. The Field study was undertaken in the lathhouse of the Dept of Horticulture .College of Agriculture .Univ of Baghdad in spring 2007 to investigate the effect of foliar spraying with yeast suspension with concentrations 4,8and10gr/l water in addition spraying with distilled water on vegetative, flowering growth characters and vase life of plants. the plants were sprayed for three times between spray and other ten days, The first spray was after one month of corms planting. A randomized complete block design with three replications. The vase life experiment was factorial with complete block design of four concs, and four preservative solutions (water, limon1%, sucrose5% and 8HQS2%) with three replications. The results of spraying with yeast suspension significantly increased plant height with cons 8and 10gm/l 39.7 and 37.3cm ,leaf number 8.8 and 7.5, chlorophyll content in leaves,743.4 and 732mg/m2.The floral characters also increased significantly compared with control in number of floret plant, first floret diameter for both cons 4 and 10 g/l, flower stalk tall for all concentration of yeast suspension. All concs of yeast suspension reduced number of days for flowering with average ten days, also increased significantly longevity of flowers on plants compared with control. We found from the results there was no significant effect for yeast suspension only on the vase life of Freesia. It was also found that the preservative solutions had significant effects in vase life. The longest vase life was preserved only in water 12.7 days, and the lowest vase life was preserved in 8HQS (8.9) days. The vase life differed significantly in between the effect of yeast concentration and preservative solutions reached maximum 14 days in treatment (T2 ×W)whereas minimum vase life (8 days) was in combination (T3×S) and (T0×8HQS) as compared with control (10.7 days). | ||
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