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Assessment of Losses Due to Wilt (cephalosporium Sacchari Butler) in Sugarcane

S. Rahman
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

S. M. N. Nahar
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

A. K. M. Kabir
Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

Abstract/ Executive Summary:

All experiment was conducted for consecutive two years with nine sugarcane clones, namely, Isd. 1153, Isd. 16, Isd.17; L.Jaba-C, Co.1148. Nagarbari, Isd. 18, Isd.19 and 1.41175 to quantify losses due to wilt disease. All the nine clones showed reductions in germination, millable canes and weight of canes ranging from 3.4 to 24.4%, 5.8 to 55.2% and 3.5 to 53.6% while mean reductions were 12.8, 19.0 and 23.0 percent respectively. The clone Isd-18 resulted the highest reduction in all the yield contributing factors like germination, number of millable canes and weight of millable canes.

Keywords: Yield loss, Wilt, Artificial inoculation, Bangladesh conditions.

Location: Sugarcane Research & Training Institute, Ishurdi, Pabna, Bangladesh.

Start Date: 00-00-1987

End Date: 00-00-1988

Program Area: Pest Management

Commodity: Sugarcane

Objectives:

To assess the extent of losses due to wilt in some varieties by artificial inoculation under Bangladesh environmental conditions.

Methodology:

Nine cultivars, viz. Isd. 1/53, Isd.16, Isd.17, L.Jaba-C, Co. 1148, Nagarbari, Isd.18, Isd.19 and 1.41/75 were selected for this study. The experiment was conducted for consecutive two years. In the first year (1987) two-budded thirty setts, and in the second year (1988) fifty setts were used both for healthy and diseased canes for each clone. In both the years to ensure diseased setts, 15 days old sporulated culture of Cephalosporium sacchari, the wilt organism was inoculated in the middle of 2-budded setts before planting in the field. Healthy setts were also planted in the same day without inoculation. Healthy and diseased setts of each clone were planted in a separate single row of 15 and 25 meters in the first and second year respective. Variety to variety, and sett to sett distances were 100 cm and 50 cm respectively. Data were collected on germination, millable canes, and weight of canes. Final germination count was recorded 60 days after planting. Harvesting was done on December 4, 1987 and January 18,1989 for the 1st and 2nd year respectively.

Source of Information: Bangladesh J. Sugarcane, 10: 55-58, July, 1988

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that wilt disease caused by Cephalosporium sacchari Butler reduces germination, number of millable canes and yield of sugarcane.

Knowledge Management: Journal