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Performance of Some Promising Gladiolus Genotypes for Cut Flowers

K. A. Ara

F. N. Khan

S. M. Sharifuzzaman

Abstract/ Executive Summary:

A study was conducted at Floriculture Field, Horticulture Research Centre, BARI, Joydebpur, Gazipur during the period from November 2013 to May 2014 to evaluate the performances of ten gladiolus lines. It was revealed from the study that GL-002, GL-012, GL-031 and GL-037 found as promising genotypes for selection on the basis of its flower characters such as attractive colour, early flowering, maximum number of florets, longest spikes and rachis, highest weight of spike, longest shelf life, etc.

Keywords: Gladiolus lines, Florets, Spike, Rachis

Location: Floriculture Field, Horticulture Research Centre, BARI, Joydebpur, Gazipur

Start Date: 00-11-2013

End Date: 00-05-2014

Program Area: Variety and Species

Commodity: Gladiolus

Objectives:

To evaluate the performance of different genotypes of gladiolus in order to select promising genotypes in respect of flower production.

Methodology:

The study was conducted at the Floriculture Field of Horticulture Research Centre, BARI, Joydebpur, Gazipur during the period from November 2013 to May 2014. The experimental field was manured and fertilized by adding 10 t cowdung and @ 200 Kg N, 50 Kg P, 150 Kg K, 20 Kg S, 2 kg B and 3 kg Zn /ha. Cowdung, P, K, B, S and Zn were applied as basal and N was top-dressed in two equal splits at 4 leaf stage and spike initiation stage. The experiment was laid out in RCB design with 3 replications. Gladiolus genotypes were collected from different places and nurseries of Jessore and Dhaka District and were given the accession numbers, GL-001 (V1), GL-002 (V2), GL-003 (V3), GL-005 (V4), GL-012 (V5), GL-031 (V6), GL-037 (V7), GL-038 (V8), GL-042 (V9) and BARI Gladiolus-1 (V10) was used as check . All corms were thoroughly dusted with Bavistin and planted on Rabi season 2013 to 2014 at 20 x 20 cm spacing in 2.0 × 1.5 m sized plot. Intercultural operations like weeding, watering, spraying, etc. were done as and when necessary. Data on disease incidence was scored like: 0-1= Tolerant, 2=Moderately tolerant, 3=Susceptible, 4=Highly susceptible. The spikes were cut when lower 2-3 florets showed their blushes of colour. Corms and cormels were lifted three months after cutting flower and treated with Bavistin (0.2%) for 30 minutes to prevent incidence of leaf blight disease (Sahni, 1980 and Shah et al., 1983). Data recorded on different parameters were analyzed statistically and the mean separation was done by DMRT. These were maintained at the Landscape, Ornamental and Floriculture Division of the Horticulture Research Centre, BARI, Joydebpur for further use.

Source of Information: Annual Research Report on Flower Development (2013-2014), Landscape, Ornamental and Floriculture Division, HRC, BARI, Joydebpur, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was revealed from the study that GL-002, GL-012, GL-031 and GL-037 was found as promising genotypes for selection in consideration of their flower characters such as attractive colour, early flowering, floret number, spike length, rachis length, spike weight, shelf life etc.

Knowledge Management: Report/Proceedings