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Present Status of Field Disease and Morphological Characteristics of Recommended Potato Varieties in Bangladesh

M. Hossain
Senior Scientific Officer
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh.

M. S. Ali
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh.

M. I. Akhtar
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh.

Z. N. Huq
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh.

A. E. Hossain
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh.

Abstract/ Executive Summary:

A experiment was conducted to determine the present status of ten recommended potato varieties in Bangladesh. It was found that incidence of potato leaf roll virus (PLRV), potato Y potyvirus (PYV), scab, tuber rot and cutworm were significantly different in different varieties. Similarly, dry matter and starch percentage, number of tuber per plant and yield per plant varied significantly with the varieties. The variety Ailsa showed lowest infection of PLRV followed by Dheera and Cardinal and the highest infection was recorded in Patrones. The varieties Arinda, Chamak, Dheera, Heera and Kuroda were free from PYV infection. Whereas, Multa showed the highest infection of PYV. Lowest infection of scab was recorded in the variety Dheera and it was highest in Ailsa. The appearance of foliage was good looking in all varieties except the varieties Multa, Patrones and Ailsa. Varieties Ailsa, Chamak and Dheera showed late maturity as compared to other varieties. The highest dry matter and starch content were recorded in variety Dheera and it was lowest in Kuroda. The highest yield per plant was obtained from Chamak followed by Ailsa, Dheera, Heera and Cardinal and it was lowest in variety Patrones. Considering all aspects in both the seasons, two varieties namely, Chamak and Dheera were noted best performers in terms of disease severity, plant growth and yield.

Keywords: Morphological characteristics, Potato varieties

Location: Joydebpur, Bangladesh

Start Date: 00-00-1997

End Date: 00-00-1998

Program Area: Pest Management

Commodity: Potato

Objectives:

To investigate on the present status of field diseases and storability of the varieties recommended for cultivation.

Methodology:

Ten recommended potato varieties namely, Cardinal, Diamant, Ailsa, Dheera, Heera, Arinda, Multa, Kuroda, Chamak and Patrones were planted in the field at Joydebpur on November 18 and 5 respectively, in 1997 and 1998. The experiment was laid out in RCBD and the unit plot size was 3 x 3m² and the plant spacing was 60 x 25cm². Recommended doses of fertilizers were applied in the field before planting. Furadan 3G was used against cutworm. Irrigation, weeding and other agronomical practices were done as and when necessary. Data on incidence of PLRV, PYV, late blight, scab, tuber rot were recorded. Appearance of foliage growth (1-3 scale), tuber shape and tuber appearance (1-4 scale), tuber colour, over all grading in the natural store (1-9 scale), number of tuber and yield per plant, dry matter and starch percentage were recorded.

Source of Information: Pakistan Journal of Plant Pathology, 1(1): 20-22, 2002

Article Link (Online Journal): DOI: 10.3923/ppj.2002.20.22; URL: http://scialert.net/abstract/?doi=ppj.2002.20.22

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the tuber yield, disease incidence, cut worm attack and storage performance, the varieties Chamak and Dheera were found to perform better and were comparable to the popular varieties Cardinal and Diamant.

Knowledge Management: Journal