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Bulking Behaviour of Promising Potato Varieties and Clones

Mst. Sajeda Akhter
Principal Scientific Officer
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

M.W. Rahman
Scientific Officer
BSPC, Debigonj, Panchaga

Abstract/ Executive Summary:

The experiment were conducted at TCRC, Joydebpur, Gazipur and BSPC, Debigonj, Panchaga, during 21 November 2011 to February 2012 to find out the suitable time of harvest for getting desirable yield of potato varieties. Four harvestings were done at 10 days interval started from 60 DAP and continued up to 90 DAP. Four varieties were included in the study. Yield varied significantly between varieties and locations, Tuber yield and percent large tuber increased up to 90 DAP in all the varieties. The highest tuber yield was recorded in the Sagitta (29.12 t/ha) and Esprit (27.97 t/ha). The lowest tuber yield were obtained from Laey Rosetta (23.90 t/ha) and Courage (24.64 t/ha). There were no significant difference between 90 DAP and 80 DAP harvesting time on yield

Keywords: Bulking Behaviour, Promising Potato varieties, Clones

Location: Gazipur, Debigonj

Start Date: 21-11-2011

End Date: 21-02-2012

Program Area: Crop-Soil-Water Management

Commodity: Potato

Objectives:

i) To know the bulking behaviour of promising potato varieties

ii) To identify early variety

iii) To find out optimum time of harvesting for maximum production of large tubers required for processing.

Methodology:

The experiment was conducted at TCRC, Joydebpur, Gazipur and BSPC, Debiganj, Panchagar. The treatment of the experiments consisted of four varieties viz. Esprit (V1), Lady Rosetta (V2), Courage (V3) and Sagitta (V4) and four harvesting time viz. 60, 70, 80 and 90 DAP (Days after Planting). The two factor experiment was set in RCBD with 3 replications. The whole tubers of all varieties were planted on November 21 and 27 November 2011 at Debigong and Joydebpur respectively. The unit plot size was 1.8m x 3m with a spacing of 60 cm x 30 cm. Harvesting was done according to maturity of the crop. Fertilizers, irrigation and necessary intercultural operations were done as per TCRC recommendation. Data on different growth, yield and yield contributing characters were recorded and were analyzed statistically.

Source of Information: TCRC Annual Report-2011-12, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/=

Total Budget (Tk.) : 20,000/=

Achievement/Findings:

Among the locations and varieties, yield varied significantly between varieties and locations, Tuber yield and percent large tuber increased up to 90 DAP in all the varieties. The highest tuber yield was recorded in the Sagitta (29.12 t/ha) and Esprit (27.97 t/ha). The lowest tuber yield were obtained from Laey Rosetta (23.90 t/ha) and Courage (24.64 t/ha). There were no significant difference between 90 DAP and 80 DAP harvesting time on yield.

Knowledge Management: Report/Proceedings