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Performance of Air Layering of Different Citrus Species

M. M. Islam
MS Student
Department of Horticulture, BAU, Mymensingh

Md. Siddiqure Rahman
Senior Scientic Officer
Crop Physiology Division, BINA

M. Waliullah
Farm Superentendent
BAU, Mymensingh

S. Roy
Senior Scientic Officer
Plant Breeding Division, BINA, Mymensingh

Abstract/ Executive Summary:

The experiment was conducted at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during the period from May to September 1999. Nine different species of citrus, namely Sarbati, Satkara, Jamir, Kalamunshi, Varigated, Semi-seedless lemon, Kagzi, Pummelo and Scented Elachi were used in the experiment to study their performance and the propagation, namely air layering was tested for rooting and shooting. Data were recorded on % root initiation, number of shoots per layer, number of leaves per layer, number of roots per layer, height of stock and percent of success of air layering. Considering all the parameters studied as influenced by air layering of different citrus species it may be concluded that the species Sarbati, Jamir and Scented Elachi performed better i.e these species can be propagated successfully by air layering producing better results of almost all the parameters mentioned above. On the other hand, Satkara and Pummelo can not be propagated by air layering.

Keywords: Air layering, Citrus species, Root and shoot initiation, Leaves

Location: Horticulture Farm Bangladesh Agricultural University, Mymensingh

Start Date: 00-05-1999

End Date: 00-09-1999

Program Area: Crop-Soil-Water Management

Commodity: Lemon

Objectives:

To investigate the performance of air layering in different citrus species

Methodology:

The experiment was conducted at the Horticulture farm of the Bangladesh Agricultural University, Mymensingh. Nine different species of citrus, namely Sarbati, Satkara, Jamir, Kalamunsi, Varigated, Semi-seedless lemon, Kagzi, Pummelo and Scanted Elachi were used in the experiment. Land was prepared by ploughing and cross ploughing to obtain a good tilth. Only well rotten cowdung (20 tons/ha) was applied at the time of land preparation. A single factor randomized complete block design was followed with three replications. Healthy, disease free lateral shoots approximately one-year-old were selected. Soil and well decomposed cowdung were taken (1:1 ratio) and mixed thoroughly for rooting media. In the month of July 1999 air layering was done by removing 4 cm long bark cylinder and then scrapping the exposed wood to remove the cambium layer from them. The treated wood was then covered with moistened rooting media. A piece of clean polythene sheet was used to cover the mixture (rooting media) completely. The wrapping material was then tied up thoroughly at both the ends with rope. The layers were separated from the mother after plenty of root initiation. After detachment of the layer from the mother, they were planted in nursery bed. On completion of air layering, observation was made and related data on percentage of success in rooting, percentage of root initiated layering, number of roots per layer, number of shoots per plant, number of leaves per layering, height of layering. Data were analyzed statistically.

Source of Information: Bangladesh J. Agril. Sci. 30(2): 339-344.

Article Link (Online Journal):

Funding Source:

1. University Grant Commission

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The species Sarbati, Jamir and Scented Elachi performed better i.e these species can be propagated successfully by air layering producing better results. On the other hand, Satkara and Pummelo can not be propagated by air layering.

Knowledge Management: Journal