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Performance of Potato Varieties Against Post Harvest Disease Under Both Natural and Cold Storage Conditions

M. Hossain
Chief Scientific Officer
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur,

T,K, Dey
Tuber Crops Research Centre, BARI,Joydebpur, Gazipur,

N, Sultana
Tuber Crops Research Centre, BARI,Joydebpur, Gazipur,

Abstract/ Executive Summary:

Twenty six varieties were studied for their storability under natural and cold storage condition. After 180 days variety Bintje lowest percent of rottage tuber followed by Granola. Heera. Patrones and Diamant and it was highest in variety Monster (67.67%). In case of over all performance, variety Ailsa showed best (9) followed by Granola, Raja and Rodeo at 180 days after storing ant natural conditions. In case of cold storage conditions, maximum weight loss was observed in variety Metadore (17.78%). Average mean weight reduction was 7.89% and this is seems to be very high. Percent tuber rottage by weight was maximum in variety Metadore (13.51%) at 25hrs after cold store.

Keywords: Potato, Post harvest , Disease, Natural, Cold storage .

Location: Joydebpur, Gazipur.

Start Date: 00-00-2004

End Date: 00-00-2005

Program Area: Pest Management

Commodity: Potato

Objectives:

To evaluate the performance of potato different varieties against post harvest disease under both natural and cold storage conditions at Joydebpur.

Methodology:

In case of natural storage, 26 varieties were preserved in the processing shed under netted wooden rake under ambient temperature at TCRC, Joydebpur. Each Variety contained 5-kg tubers with different sizes. Data on tuber rottage due to diseases and high temperature, weight loss and sprouting were taken with 30 days interval and continued up to 180 DAS (days after storage). Over all performance of different varieties were graded 180 days after storing following 1-9 scale, where 1 means very worse and 9 means best performance. For cold storage trial, a total of twenty high yielding varieties were preserved under cold storage conditions in BADC cold store at Kashempur, Gazipur. Ten kilograms tubers of each variety were kept in gunny bags 15 days after harvest during last season (2004-05). They were observed after taken out from the cold storage during planting season of 2005-06 (31 October 2005). Data on percent weight loss and weight of rottage tubers were taken within 24 hrs. (Brought out from cold storage). Percent tuber rottage was also taken 17 days after taken out from cold storage during sprouting period.

Source of Information: TCRC, Annual Report-2005-06,BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/=

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

Achievement/Findings:

After 180 days variety Bintje lowest percent of rottage tuber followed by Granola. Heera. Patrones and Diamant and it was highest in variety Monster (67.67%). In case of over all performance, variety Ailsa showed best (9) followed by Granola, Raja and Rodeo at 180 days after storing ant natural conditions. In case of cold storage conditions, maximum weight loss was observed in variety Metadore (17.78%). Average mean weight reduction was 7.89% and this is seems to be very high. Percent tuber rottage by weight was maximum in variety Metadore (13.51%) at 25hrs after cold store.

Knowledge Management: Report/Proceedings