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Evaluation of Some Exotic Potato Germplasm in Northern Region of Bangladesh

Md. Zaherul Islam
Bangladesh Wheat and Maize Research Institute, Nashipur, Dinajpu

Md. Shafiqul Islam
Bangladesh Agricultural Research Institute, Gazipur

Md. Eakramul Haque
Bangladesh Agricultural Research Institute, Gazipur

Md. Mahfujur Rahman
Department of Agricultural Extension, Ministry of Agriculture, Bangladesh.

Bimal Chandra Kundu
Bangladesh Agricultural Research Institute, Gazipur

Abstract/ Executive Summary:

An experiment was conducted at Breeder Seed Production Centre, Bangladesh Agricultural Research Institute, Debigonj, Panchagoarh during rabi (winter) season of 2010-11 to test comparative potentiality of four exotic variety for releasing as a variety in the country. The tested materials were Redfantasy, Bellini, Redbaron and Omega along with two checks of popular varieties Diamant, and Cardinal. All the genotypes under the study expressed excellent plant vigor showing above seven (at 1-10 rating scale) except Redbaron. The highest number of stem/hill was counted at Cardinal (7.93) which was statistically similar to Diamant, and lowest was counted at Redbaron (4.20). The highest number of tuber/hill was counted at Diamant (15.23) which was statistically significant and lowest was found in Red fantasy (8.96). The highest yield was harvested at Redfantasy (43.08 t/ha) which was statistically similar to all other varieties except Omega (38.43 t/ha). Regarding yield at 90 DAP the varieties may be arranged in order to descending as; Redfantasy (43.08 t/ha), Bellini (41.17 t/ha), Cardinal (40.46 t/ha), Redbaron (40.18 t/ha), Diamant (39.81 t/ha) and Omega (38.43 t/ha). When tubers were graded and expressed in percentage, all the varieties produced maximum seed tubers both by number and weight within grade of 28-55 mm. based on overall performances, Redfantasy performed better as compared to check variety Diamant and Cardinal.

Keywords: Potato, Exotic potato germplasm, Yield

Location: Breeder Seed Production Centre, Bangladesh Agricultural Research Institute, Debigonj, Panchagarh

Start Date: 00-00-2010

End Date: 00-00-2011

Program Area: Socio-economic and Policy

Commodity: Potato

Objectives:

The current study was undertaken with some exotic varieties to determine their suitability as a variety in Bangladesh condition.

Methodology:

The experiment was conducted at Breeder Seed Production Centre, Bangladesh Agricultural Research Institute, Debigonj, Panchagarh during rabi season of 2010-11 to test comparative potentiality of four exotic material for releasing as a variety in the country. The tested materials were Redfantasy, Bellini, Redbaron and Omega along with two check popular varieties Diamant, and Cardinal. According to the soil test report, doses of manures and fertilizers viz. Cow dung 10 t/ha, Urea 350 kg/ha, TSP 250 kg/ha, MP 275 kg/ha, Gypsum 120 kg/ha, Magnesium sulphate, Zinc sulphate 10 kg/ha and boric acid 5 kg/ha were applied in the field. Cow dung, half of the dose of Urea, TSP, MOP, Gypsum, Magnesium sulphate, Zinc sulphate and Boric acid were used as basal. The remaining half of the dose of Urea was applied during earthing up. Irrigation and other intercultural operations were done as and when necessary. The experiment was laid out randomized complete block design (RCBD) having three replications. The unit plot size was 3m x 3m, maintaining 60 cm x 25 cm spacing between two rows and from tuber to tuber. Well sprouted whole tubers were planted on 22.11.10. Weeding was done by manually as and when necessary to keep the plots free from weeds. For easy aeration and to conservation of soil moisture the soil was mulched by breaking the crust. First irrigation was done after 30 days after planting and subsequently 3 irrigations were done at 20 days interval after first application. Two earthing up was done during the growing period. The first earthing up was done at 30 day of planting along with urea and second one after 45 days of planting. Percent emergence was measured by recording the emergence of tubers at 30 DAP out of 60 tubers planted and converting it to percentage. The height of the plant sample was measured in centimeter from the ground level to the tip of the longest shoot. Percent foliage coverage was recorded by eye observation at 60 days after planting. Plant vigor was also measured by eye estimation. It was scored up to 8. Higher the vigor higher was the score. Number of Stem/hill were recorded at 60 days after planting. Number of Tuber/hill, Tuber weight/hill was taken during final harvest. Yield data were recorded two times, one at 65 and another at 90 days after planting. Yield data was taken from the whole plot. Disease Severity caused by Phytophthora infestans was recorded at 60 days after planting following 1-9 rating scale (Henfling 1979) by selecting 10 plants randomly from each unit plot. Percentage of disease reaction on stem canker, potato leaf roll virus, Potato mosaic virus and common scab were also observed at 60 days after planting. The data obtained for yield contributing character and yield were statistically analyzed to find out the significance of differences among the treatments. The mean values of all the characters were evaluated and analysis of variance was performed by MSTAT software package (Gomez and Gomez 1984). The significance of the differences among pairs of treatment means was calculated by DMRT.

Source of Information: J. Biosci. Agric. Res. 19(02): 1652-1657

Article Link (Online Journal): https://doi.org/10.18801/jbar.190219.200

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the results of the present research, it can be concluded that the performance of Redfantasy is better in respect of yield and yield contributing characters and disease reaction. Although Bellini produced higher yield than both check varieties, but it showed higher infection of potato leaf roll virus, potato mosaic virus and common scab. Therefore,based on overall performances, Redfantasy performed better as compared to check variety Diamant and Cardinal.

Knowledge Management: Journal