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Effect of Size of Mother Bulb on Seed Yield of Onion

Md. Ferdous Mondol
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

Md. Shahidul Hoque Choudhury
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

Abstract/ Executive Summary:

An experiment was conducted at the Horticulture Farm, Bangladesh Agricultural University, Mymensingh with a view to studying the effect of bulb size on seed yield of onion. Three sizes of bulbs, viz., 3.8, 2.5 and 1.8cm in diameter were used in this experiment. Each increase in size of mother bulb was accompanied with an increase in the number of seed heads and seed yield per plant as well as seed yield per hectare of land. But from the economic point of view, the smaller bulbs were found to be more suitable in this experiment.

Keywords: Mother bulb size, Seed yield, Onion

Location: Horticulture Farm, Bangladesh Agricultural University, Mymensingh

Start Date: 00-00-1979

End Date: 00-00-1980

Program Area: Seed Technology

Commodity: Onion

Objectives:

To study the effect of size of mother bulbs on yield of onion seeds.

Methodology:

The experiment was conducted at the Horticulture Farm, Bangladesh Agricultural University, Mymensingh in the year 1979-80 to evaluate the effect of bulb size on seed yield on onion. The soil was silty-loam in nature and the pH of the soil 6.1. The crop was fertilized with manures and chemical fertilizers as per recommendation. Irrigation, weeding and other cultural operations were performed as and when required. The experiment was laid out in the randomized block design with three replications. The treatments were randomly assigned to the unit plots, each measuring 3.05 x 2.44m. The cultivar of onion used in this experiment was Faridpur Bhati. Three sizes of bulbs, viz., 3.8, 2.5 and 1.8cm in diameter were planted on 22nd October, 1979 following single row system of planting giving a spacing of 30.5 x 20cm. Ten plants were randomly selected from each unit plot for collecting data. The collected data were analyzed for statistical significance.

Source of Information: Bangladesh Horticulture, 8(2):21-23,1980

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results indicates that the higher investment through the use of larger bulbs did not increase the return proportionately. Thus the use of larger bulbs will possibly have little importance on the economic point of view. Moreover at the market value of agricultural products including onion seed is not predictable and stable in Bangladesh, an increased investment through larger mother bulbs may be of risk.

Knowledge Management: Journal