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Effect of Iba Concentration and Layering Time for Alubokhara Propagation

Monira
Student
Dept. of Environmental Science, Jagannath University, Dhaka

S. Kabir
Assistant Professor
Dept. of Environmental Science, Jagannath University, Dhaka

S. N. Mozumder
Senior Scientific Officer
RSRC, BARI, Gazipur

Abstract/ Executive Summary:

Experiments were conducted at the Regional Spices Research Center, BARI, Gazipur located in about 40 km North to Dhaka city with 23⁰59′29″ North latitude and 90⁰24′50″ East longitude and an elevation of 8.50m from the sea level during January 2013 to August 2014 to evaluate the performance and propagation of plums under the environmental condition of Bangladesh. Air layering was done in four layering time (Mid-June, Mid-July, Mid-August and Mid September) with six levels of IBA (0, 500, 1000, 1500, 2000 ppm and dusting). Layering time and IBA concentration showed significant effect on rooting and success rate of layers. The number of successful layer was significantly higher in June (14.3, 57.33%) and July (13.3, 53.33%) layering with 2000 ppm IBA application and the success was nil (0.0) in September layering without or lowest (500 ppm) concentration of IBA.

Keywords: IBA, Layering, Time, Rooting, Vegetative propagation

Location: Regional Spices Research Center,BARI, Gazipur

Start Date: 01-05-2013

End Date: 30-06-2014

Program Area: Crop-Soil-Water Management

Commodity: Garlic

Objectives:

To identify suitable dose of IBA and time of air layering for successful propagation of Alubokhara..

Methodology:

Experiments were conducted at the Regional Spices Research Center, BARI, Gazipur located in about 40 km North to Dhaka city with 23⁰59′29″ North latitude and 90⁰24′50″ East longitude and an elevation of 8.50m from the sea level during January 2013 to August 2014 to evaluate the performance and propagation of plums under the environmental condition of Bangladesh. Air layering was done in four layering time (Mid-June, Mid-July, Mid-August and Mid September) with six levels of IBA (0, 500, 1000, 1500, 2000 ppm and dusting). 20 layers of BARI Alubokhara-1 was considered for each unit treatment. Data on death of layers, rooting and leaf production due to layering time with IBA concentrations were recorded and analyzed properly using MSTAT program.

Source of Information: MS Thesis, Dept. of Environmental Science, Jagannath University, Dhaka

Article Link (Online Journal):

Funding Source:

1. Government	Budget: 15,000/-
2.	Budget: 15,000/-

Total Budget (Tk.) : 15,000/-

Achievement/Findings:

Significant variations on death of layers, rooting and leaf production due to layering time with six IBA concentrations (0, 500, 1000, 1500, 2000 ppm and dusting). Layering time and IBA concentration showed significant effect on rooting and success rate of layers. Layering time and IBA concentration significantly influence on the success and rooting of layers under Bangladesh condition. Layering time and IBA concentration showed significant effect on rooting and success rate of layers. The number of successful layer was significantly higher in June (14.3, 57.33%) and July (13.3, 53.33%) layering with 2000 ppm IBA application and the success was nil (0.0) in September layering without or lowest (500 ppm) concentration of IBA. June to August layering with 2000 ppm IBA treatment found better for successful air layering for vegetative propagation of plums in Bangladesh. Further study can be undertaken using increased IBA concentration such as 3000, 4000 or 5000 ppm.

Knowledge Management: Thesis