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Effect of Planting Date and Spacing on the Seed Yield of Cabbage

M. T. Rahman
Horticulture Research Centre, BangLadesh Agricultural Research Institute , Joydebpur, Gazipur

S. R. Saha
Horticulture Research Centre, BangLadesh Agricultural Research Institute , Joydebpur, Gazipur

M. A. Rashid
Horticulture Research Centre, BangLadesh Agricultural Research Institute Joydebpur, Gazipur

A. E. Hossain
Horticulture Research Centre, BangLadesh Agricultural Research Institute , Joydebpur, Gazipur

S. Ahmad
Horticulture Research Centre, BangLadesh Agricultural Research Institute , Joydebpur, Gazipur

Abstract/ Executive Summary:

An attempt was made for seed production of cabbage where 30 days old cabbage seedlings cv. Probhati were transplanted at an interval of 15 days starting from 1 October upto 16 December at six spacings (60cm x 60cm, 60cm x 45cm, 60cm x 30cm, 45cm x 4Scm, 4Scm x 30cm and 30cm x 30cm). The highest seed yield per hectare was obtained from 16 November planting. Seed yield per plant increased gradually with the increased spacing, while seed yield per hectare was higher in closer spacings. However, when the date of transplanting was taken into account, the highest seed yield (570 kg/ha) was obtained from 16 November planting at the closest spacing (30cm x 30cm) followed by the yield that of 1 November planting (551.6 kg/ha) at the same spacing and 16 November planting with 45cm x 30cm spacing.

Keywords: Planting date, Spacing, Seed yield, Cabbage

Location: Citrus and Vegetable Seed Research Centre, Bangladesh Agricultural Research Institute, Gazipur

Start Date: 00-09-1990

End Date: 00-03-1991

Program Area: Crop-Soil-Water Management

Commodity: Cabbage

Objectives:

To find out the optimum time of planting and spacing for the seed production of the cabbage cv. Probhati under Bangladesh conditions.

Methodology:

The present study was conducted at the farm of central research station of the Citrus and Vegetable Seed Research Centre, Bangladesh Agricultural Research Institute, Gazipur during the period from September 1990 to March 1991. There were six dates of planting, such as 1 October, 16 October, 1 November, 16 November, 1 December and 16 December and six spacings: 60cm x 60cm, 60cm x 45cm, 60cm x 30cm, 45cm x 45cm, 45cm x 30cm and 30cm x 30cm. Altogather there were 36 treatment combinations. The seeds were sown on six different dates at an interval of 15 days starting from 1 September with 30 days old seedlings in each planting. The experiment was laid out in split plot design with three replications. The spacing treatments were assigned to the main plots and the date of planting treatments were assigned to the sub-plots. The unit plot size was 3.6m x 1.8m. Recommended fertilizer doses and crop management practices for cabbage were followed. During the second week of February 1991, the heads of the cabbage plants were incised to facilitate easy emergence of flower stalks. The seed crop was harvested at the last week of March 1991, when 80% of the seed pods attained maturity (Yellow stage). Ten plants were selected at random from each plot to record data on plant height, number of flower stalks per plant, number of seed pods per plant, number of seeds per pod and yield per plant. Days to pod maturity from planting were also recorded.

Source of Information: Bangladesh Hort. 20(2) : 9-15, 1992; ISSN 0379-4288

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The highest seed yield per hectare was obtained from 16 November planting. Seed yield per plant increased gradually with the increased spacing, while seed yield per hectare was higher in closer spacings. However, when the date of transplanting was taken into account, the highest seed yield (570 kg/ha) was obtained from 16 November planting at the closest spacing (30cm x 30cm) followed by the yield that of 1 November planting (551.6 kg/ha) at the same spacing and 16 November planting with 45cm x 30cm spacing.

Knowledge Management: Journal