Dept. of Floriculture. Ornamental Horticulture and Garden Design, Faculty of Agriculture, Alexandria University, Alexandria, Egypt.
Abstract
Two experiments were conducted in the Floriculture and Ornamental Horticulture Research Garden, at El-Shatby. during the seasons of 20002002 and 200212003, to study the effect of cycocel 0n the vegetative growth and the keeping quality of a local cultivar of Mofucceffa faevr's L. plants. Each experiment included two application methods of Cycocel, as a foliar spray or as a soil drench, using the rates at 0.500100020003000 and 4000 ppm. Generally. all cycocel treatments were significantly effective in controlling the plant height. compared with the control, but the effect of the soil drench was significantly more than that of the foliar spray in reducing the plant height. The minimum plant height was recorded at the highest cycocel concentration of the soil drench {4000 ppm) followed by the same concentration of foliar spray in the first and second seasons respectively. The control plants significantly had the maxrmum mean of the leaf area. compared with cycoc‘el treated plants. The leaf area decreased with increasing cycocel concentrations. Cycocel significantly decreased the shoot dry weight, compared with the control. The lowest mean was recorded at the highest cycocel concentration applied as a soil drench. The leaf chlorophyll contents were significantly increased in the treated plants, compared with the untreated ones in both application methods. Cycocel significantly increased the vase life compared with the control. The maximum vase tife (12.8, 12.2 days) were recorded by the treatments at (4000 ppm) as foliar spray followed by the treatment of the same concentration as soil drench in the first and second seasons respectively. Water uptake of plants were improved by all cycocel treatments. however, the differences among treatments were not significant. The maximum water uptake was obtained by the treatments of 3000 ppm followed by 2000 ppm cycocel as foliar spray. in the first and second seasons respectively.
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