The study was undertaken with a view to establish a protocol for in vitro plant regeneration from shoot tip explants of banana. Different concentrations of BAP
An experiment was conducted at Rooftop Garden under 2abotech lab, Department of Horticulture, Sher-e-Bangla Agricultural University, Bangladesh during November 2012 to July 2013 to find out growth and yield performance of potted Gerbera against foliar application of different concentration of Gibberelic acid (GA 3). Three varieties viz. V 1 (red), V 2 (brick red), V 3 (pink) and four GA 3 concentrations viz. G 0 : 0 ppm, G 1 : 100 ppm, G 2 : 150ppm, G 3 : 200 ppm were evaluated in the experiment. Maximum number of flower (22.1), flower bud diameter (3.6 cm), peduncle length (29.3 cm), peduncle diameter (1.9 mm) and flower head diameter (8.6 cm) were found from V 2 while G 2 provided maximum number of flower (24.0), longest peduncle (28.3), maximum peduncle diameter (1.7) but G 2 and G 3 both provided maximum flower bud diameter (3.1 cm) and flower head diameter (8.1 cm). V 2 G 2 was found as the best treatment combination.
An experiment was conducted to evaluate the postharvest life of cut gerbera cultivars under the different preservative solutions. Three (yellow, magenta and orange) cut gerbera cultivars were placed on nine different preservative solution viz. ) following completely randomized design. Yellow gerbera provided the maximum petals water content (52.4%) when placed in T9 and also provided 8.0 days more vase life compared to the control. For magenta and orange gerbera, maximum petals water content (magenta: 56.3% and orange: 63.0%) in T8 and also 6.9 days more vase life than control.
An experiment was conducted to evaluate the growth and flowering performance of chrysanthemum cultivars. Thirty two chrysanthemum cultivars coded from V1 to V32 were used in the experiment. Plant height, number of branch per plant, leaf area, number of leaf per branch, chlorophyll content, days to flower bud initiation, days to first petal spread, days to final bloom, number of flower bud per plant, number of flower per branch, number of flower per plant, bud diameter at initiation stage, bud diameter at mature stage, flower head diameter, stalk length and flower durability in plant (days to 50% flower senescence) for different cultivars varied significantly. Number of flowers per plant ranged from 4.3 to 194.6, flower head diameters varied from 2.8 to 17.6 cm and stalk lengths were from 4.4 to 20.1 cm. Amongst the chrysanthemum cultivars V15 (BARI chrysanthenum1) was the maximum flower producing cultivar, while V1 produced the largest flowers and flowers from the V21 had the longest shelf-life. These variations might help in classifying chrysanthemum, for pot cultivation and cut flower, based on their flowering quality which will be beneficial for growers.
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