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Effect of Row and Plant Spacing on Corm and Cormel Production of Gladiolus

F. N. Khan
Horticulture Research Centre, BARI, Joydebpur, Gazipur, Bangladesh.

S. A. Chowdhury
Horticulture Research Centre, BARI, Joydebpur, Gazipur, Bangladesh.

M. S. Mollah
Horticulture Research Centre, BARI, Joydebpur, Gazipur, Bangladesh.

K. A. Ara
Horticulture Research Centre, BARI, Joydebpur, Gazipur, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted to determine the optimum row and plant spacing for higher and quality yield of corm and cormels or gladiolus. Four row spacings (15, 20. 25 and 30 cm) and four plant spacings (10, 15, 20 and 25 cm) were given in thc experiment. Rowand plant spacings both had significant effect on most of the characters studied. The row spacing 15 cm and plant spacing 10 cm produced the highest corm yield (6.66 t/ha and 7.52 t/ha, respectively). But the quality corms in respect of heavier and bigger sized corms were produced by wider row (30 cm) and (25 cm) spacings. Cormel yield, appeared highest yield per plant in the wider row (30 cm) and plant (25 cm) spacing. The response due to di ffcreru combinations or row and plant spacing was statistically insigni ficant on yield and yield attributes of corm and eormel.

Keywords: Gladiolus, Spacing, Corm, Cormel

Location: Research Station of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur.

Start Date: 00-00-1995

End Date: 00-00-1997

Program Area: Crop-Soil-Water Management

Commodity: Gladiolus

Objectives:

To determine optimum row and plant spacing for higher and quality yield of seed corm and cormels of gladiolus.

Methodology:

The experiment was conducted at the central Research Station of Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during two consecutive rabi seasons of 1995-96 and 1996-97. Four levels of row spacings viz. 15, 20, 25 and 30 cm and four levels of plant spacings e.g. 10, 15, 20 and 25 cm with a well cultivated red flowered gladiolus cultivar were used in this trial. The experiment was laid out in RCB factorial design with 3 replications. The unit plot size was 3 x 3 m. The healthy and uniform sized (dia. 3.5-4.0 cm) corm at the rate of one corm per hill were planted in the spacings as per treatment. within the first week in each year. The land was manured with 10 ton cowdung and fertilized with 200 kg urea, 225 kg triple super phosphate (TSP) and 190 kg muriate of potash (MP) per hectare. Cowdung, TSP and MP were applied as basal and urea was top dressed in two equal splits at 4 leaf stage and at spike initiation stage followed by irrigation. The data on plant height, corm and cormel growth, number of cormel and yield of cormel per plant were recorded from ten randomly selected samples in each plot. Corm yield per hectare was recorded on the whole plot basis. All recorded data were analyzed statistically and the mean differences were adjudged by Duncan's Multiple Range test (DMRT). The results of both the year (1995-96 and 1996-97) were consistent to each other, therefore, only the results of 1996-97 trial has been presented and discussed in the present report.

Source of Information: Progress. Agric. 13(1 & 2) : 67-69, 2002, ISSN 1017-8139

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Based on the above finding it is clear that the row spacing 30 cm and plant spacing 25 cm individually and in combination were suitable tor quality production of seed corm and cormels. The row spacing of 15 cm and plant spacing of 10 cm individually and in combination. however. was higher corm yielder but is not acceptable because of lower quality daughter corm.

Knowledge Management: Journal