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Root and Shoot Pruning of Radish Stecklings on the Production of Seeds

Md. Serajul Islam
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

Md. Azizul Haque
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

Abstract/ Executive Summary:

To study the effect of root and shoot pruning on the production of seeds, seven pruning treatments were given to the radish stecklings of the cultivar "Red Bombay" before transplanting in the eve of flowering. Pruning significantly increased the number of pods per plant, seeds per pod, weight of 1000 seeds, seed yield per plant, and the germination percentage of seeds at 1 per cent level of probability. For all these characters the performance of the plant with one-half root and three-fourth shoot was found to be the best. The control plant with full root and full shoot exhibited the poor performance in all respects.

Keywords: Radish, Seeds, Root and Shoot

Location: Horticultural Farm of Bangladesh Agricultural University, Mymensingh.

Start Date: 00-11-1977

End Date: 00-04-1978

Program Area: Seed Technology

Commodity: Radish

Objectives:

To study the effect of root and shoot pruning on seed production in radish under Bangladesh condition.

Methodology:

The experiment was carried out at the Horticultural Farm of Bangladesh Agricultural University, Mymensingh during the period from November, 1977 to April, 1978. The cultivar "Red Bombay" which is commonly grown in Bangladesh was used in the experiment. The seeds were sown on 17th November, 1977 in 30.50 cm apart rows for raising the radish plants. The plants of 60 days old having marketable roots were selected for transplanting to produce seeds. Seven treatments i. e. full root and full shoot (T_l), full root and one- half shoot (T₂), full root and no shoot (T₃) three-fourth root and three-fourth shoot (T₄), three.fourth root and one-half shoot (T₅) one-half root and one-half shoot (T₆), one-half root and three-fourth shoot (T₇) were given soon after uprooting the radishes. These were transplanted immediately in randomised block design with four replications. Eighteen plants were accommodated in a plot maintaining a spacing of 45.70 cm x 30.50 cm. The crop was harvested on 14th April, 1978 when most of the pods were matured. The data on the number of branches per flower stalk. pods per plants. seeds per pod. weight of 1000 seeds. seed yield per plant. and the germination percentage of seeds were recorded.

Source of Information: Bangladesh Journal of Agriculture, Vol-4, Pag:143-150, Dec:1979

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The germination percentage of the seeds was found to have influenced by different pruning treatments.The highest percentage of germination (90 per cent) was observed in the seeds from the plants with one-half root and three-fourth shoot (T₇) which was closely followed by T_4,T₅, and T₆. The lowest percentage of germination (78.5 per cent) was found in the seeds obtained through unpruned plants (T₁). It was clear from the result that higher percentage of germination was associated with higher seed weight. This was probably because of heavier seeds having more reserved food, and better physio- logical potentiality for germination.

Knowledge Management: Journal