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Effect of Artificial Defoliation and Stalks Binding on the Cane Quality

M. A. S. Miah
Sugarcane Research & Training Institute, Ishurdi, Pabria. Bangladesh.

M. A. A. Sarkar
Sugarcane Research & Training Institute, Ishurdi, Pabria. Bangladesh.

Abstract/ Executive Summary:

An experiment was undertaken at the Sugarcane Research & Training Institute Farm following split design with three replications to study the effects of artificial defoliation and stalks binding on the cane quality. Varieties isd. 16 and Co. 1158 were used for the present investigation. Differences were observed in different treatments in respect of number of millable cane, yield and recoverable sugar per cent. Higher yield may be obtained if 50% leaves are removed and staIks are not tied up or 25% leaves are removed and stalks are tied up together once in the month of July.

Keywords: Artificial defoliation, Stalks binding, Cane quality

Location: Sugarcane Research & Training Institute Farm

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Sugarcane

Objectives:

An experiment was carried out to determine the effects of artificial defoliation and stalks binding on the cane quality.

Methodology:

An experiment was conducted at the Sugarcane Research & Training Institute Farm following split plot design with three replications. Varieties Co.1158 and ISd. 16 were used for the present investigation. Varieties were considered in the main plots and treatments in the sub-plots. Plants were raised in a plot size 6mx 4.2m maintaining row to row distance 1.05 m. Recommended doses of fertilizers were applied and intercultural operations were practiced as and when necessary. Following six treatments were given:- To-No removal of leaves and stalks not tied up together (control). T_I-No removal of leaves and stalks tied up together. T₂-25% leaves removed and stalks not tied up together. T₃-25% leaves removed and stalks tied up together. T₄-50% leaves removed and stalks not tied up together. T₅-50% leaves removed and stalks tied up together. Defoliation and stalks binding were practiced once in a crop year in the month of July at the age of approximately eight months from the date of planting. In all the cases of defoliation, lower leaves were removed. The % mortality was calculated. Chemical analysis was carried out in the month of November and December, 1981 at an interval of 30 days taking a sample of five randomly selected stalks for each replication. Statistical analysis of data was done on number of millable canes, yield and recoverable sugar.

Source of Information: Bangladesh J. Sugarcane July, 1982

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion, it can be stated that defoliation and stalks binding have some effects on the cane quality particularly in respect of number of mil/able cane, yield, per cent recoverable sugar etc. Effect, however, varies depending on the level of defoliation and the condition under which the stalks binding is done though it also varies with the varieties due to the varietal characteristics. Higher yield may be obtained if 50% leaves are, removed and stalks are not tied up or 25% leaves removed and stalks are tied up together once in the month of July.

Knowledge Management: Journal