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Performance of BARI Sp-8 and BARI Sp-9: the Newly Released High Yielding Sweet Potato Varieties from Bangladesh

M. K. R. Bhuiyan
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur, Bangladesh

M. Hossain
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur, Bangladesh

P. C. Golder
Bangladesh Agricultural Research Council, Farmgate, Dhaka, Bangladesh

M. S. Alam
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur, Bangladesh

S. Attaluri
International Potato Centre (CIP), SWCA, New Delhi, India

Abstract/ Executive Summary:

This article reports the yield performance in the regional and farmer's field trials of two sweet potato genotypes viz., 'CIP-440025' and 'CIP-440074-2' introduced from International Potato Centre (CIP) which were released as 'BARI SP-8' and 'BARI SP-9' respectively by the National Seed Board (NSB) of Bangladesh in 2008. The leaf of BARI SP-8 is entire and semi elliptic. The mature leaf is green with pigmented edge. Tuber is medium sized with pink skin and creamy white flesh. The leaf of BARI SP-9 is serrated, three lobed, semi elliptic and green ventral veins. Tuber is medium sized with white skin and cream color flesh. The tuber yield potential of two varieties varied between 40 and 45 t ha^-1 and was superior to previously released varieties in Bangladesh.

Keywords: Performance, Varieties, Sweet potato, Bangladesh

Location: Joydebpur, Jessore, Pahartali, Bogra and Jamalpur

Start Date: 00-00-2004

End Date: 00-00-2007

Program Area: Variety and Species

Commodity: Sweet potato

Objectives:

To observe the yield potential and some desirable characteristics of these two recently released varieties.

Methodology:

The selected four advanced clones, CIP-440025, CIP-40074-2, CIP-1870 16.2, and CIP -440186 collected from CIP were tested at five diverse locations namely, Joydebpur, Jessore, Pahartali, Bogra and Jamalpur during 2004-05 to 2006-07. BARl SP-5 was used as the check. The experiment was laid out in randomized complete block design with three replications. The unit plot size was 3.0 x 3.0 m each accommodating 50 plants in four rows at 60 x 30 cm spacing. The experiment was planted on mid - November and harvested on 2^ndweek of April in both the seasons. The crop was fertilized at the rate of 10 tones of FYM, 140 kg of urea, 80 kg of TSP and 150 kg of MP per hectare. These genotypes were also evaluated in four on-farm trials at different locations viz. Chandpur, Munshiganj, Bogra and Jamalpur through farmer's participation. Data were recorded from 10 randomly selected plants from each plot. Organoleptic test was performed by a panel considering taste, sweetness, softness and physical appearance after boiling. Data were analyzed statistically using MSTATC programme.

Source of Information: J. of Root Crops, 2009, 35 (2): 148-152, Indian Society for Root Crops , ISSN 0378-2409

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The leaf of BARI SP-8 is entire and semi elliptic. The mature leaf is green with pigmented edge. Tuber is medium sized with pink skin and creamy white flesh. The leaf of BARI SP-9 is serrated, three lobed, semi elliptic and green ventral veins. Tuber is medium sized with white skin and cream color flesh. The tuber yield potential of two varieties varied between 40 and 45 t ha^-1 and was superior to previously released varieties in Bangladesh.

Knowledge Management: Journal