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Selection of Exotic Potato Genotypes for Export and Processing Purposes in Bangladesh

Bimal Chandra Kundu
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Md. Nurul Amin
Breeder Seed Production Centre, Panchagarh-5020, Bangladesh

Maruf Mostofa*
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Sauda Naznin
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Md. Manik Ali
Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Md. Harunor Rashid
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Mohammad Monirul Hasan Tipu
Department of Pathology, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Md. Babul Anwar
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore-7400, Bangladesh

Nizam Uddin Ahmed
Tuber Crops Research Sub Centre, Bangladesh Agricultural Research Institute, Munshiganj-1500, Bangladesh

Md. Matiar Rahman
Regional Agricultural Research Station, Bangladesh Agricultural Research Institute, Jessore-7400, Bangladesh

Md. Khorshed Alam
Tuber Crops Research Sub Centre, Bangladesh Agricultural Research Institute, Munshiganj-1500, Bang

Md. Zulfiker Haider Prodhan
Tuber Crops Research Sub Centre, Bangladesh Agricultural Research Institute, Bogura-5800, Bangladesh

Md. Harun-or-Rashid
Tuber Crops Research Centre, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh

Abstract/ Executive Summary:

Six exotic potato genotypes named Actrice, Cereza, Margarita, Messi, Picobella, and Sunred, along with four check varieties, were evaluated at different locations (agroecological region) of Bangladesh in three consecutive years, 2016-17 to 2018-19 respectively to find out some stable genotypes for commercial cultivation in Bangladesh. Combined analysis of variance showed a highly significant difference among the genotypes, locations, and GEI for all the characters studied. None of the genotypes were found suitable for early harvesting (65 DAP), but when the full maturity was considered, significant variations were found for different tuber qualities and yield. During the third year, the mean highest yield was observed in Sunred (39.86 t ha-1 ), closely followed by Margarita (37.57 t ha-1 ). All the tested genotypes yielded more than 30 t ha-1 and were better than the checks. Dry matter content was the highest in the check variety Lady Rosetta (20.09%). None of the tested genotypes were better than the check varieties in dry matter content, quite unsuitable for processing. Sunred produced a very large-sized uniform and smooth tubers with a medium-high dry matter. If its dry matter content can be increased by 2-3% giving intensive agronomic management, this variety may be suitable for French Fry production. All the exotic genotypes were suitable as table potatoes. Picobella was the most stable, but the average yield is low. Considering the yield and other qualities, Sunred, Margarita, Cereza and Actrice may be further evaluated in large plots for commercial cultivation before releasing as variety.

Keywords: Dry matter; Exotic genotypes; Solanum tuberosum; Stability; Yield

Location: In Bangladesh

Start Date: 00-00-2016

End Date: 00-00-2019

Program Area: Variety and Species

Commodity: Genetic resources, Potato

Objectives:

The study was undertaken to evaluate some exotic genotypes over the years under different agro-ecological conditions to identify stable genotypes suitable for export and processing to boost up our national economy and farmer's socio-economic condition.

Methodology:

The experiment was conducted at six agroecological locations (environment) of the country, namely Bogura, Debiganj, Gazipur, Jamalpur, Jashore, and Munshiganj during the Rabi (winter) season of three consecutive years, 2016-17 to 2018- 19. Six exotic potato genotypes, namely Actrice, Cereza, Margarita, Messi, Picobella, and Sunred received from different certified sources, and four check varieties BARI Alu-7 (Diamant), BARI Alu13 (Granola), BARI Alu-25 (Asterix), and BARI Alu-28 (Lady Rosetta) were included in the study. All experiments were laid out in a randomized complete block design (RCBD) with three replications. The unit plot size was 3 m × 3 m. Plant to plant and row to row spacing was 25 cm and 60 cm, respectively. Whole seed tubers were collected and distributed to different experimental locations from Breeder Seed Production Centre, Debiganj, Panchagarh. Well sprouted seed tubers were planted at different locations during the last week of November in the winter season. Manures and fertilizers were applied as per TCRC, BARI recommendation (Kundu et al. 2018). Half of Urea and a full dose of other fertilizers were applied immediately before planting the seed in furrows and mixed properly with the soil. The rest amount of Urea was applied as side-dressing at 35 days after planting. Necessary intercultural operations such as irrigation, weeding, earthing up and plant protection measures were done as per TCRC, BARI recommendation. The crop was harvested at 65 and 95 DAP (days after planting). Data were taken on days to start of emergence, emergence percentage at 30 DAP, plant vigor at 60 DAP, foliage coverage at 60 DAP, plant height at 60 DAP, number of stem per hill at 60 DAP, tuber no per hill at 95 DAP, tuber weight per hill at 95 DAP, dry matter percentage at 95 DAP, tuber grading by number & weight, marketable tuber yield at 65 DAP and marketable tuber yield at 95 DAP. Data were analyzed statistically and means were separated by using DMRT through R & RStudio statistical computer program. AMMI was done through R & RStudio statistical computer program.

Source of Information: Azarian J. Agric. VOL (7) ISSUE 4, 2020: 112-120

Article Link (Online Journal): http://dx.doi.org/10.52547/azarinj.036

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

At 65 DAP, some exotic genotypes performed better than the checks, but not exactly suitable for early harvesting. Considering marketable yield potentiality at 65 DAP, Margarita can be selected as an early variety. At final harvesting (full maturity), considering the marketable yield potentiality, Sunred, Margarita, Cereza, and Actrice were suitable for maincrop varieties as commercial cultivation due to its higher tuber yield potentiality at 95 DAP harvesting. Variety Sunred produces very large sized uniform and smooth tubers, its dry matter is medium high, if its dry matter content can be increased up to 20 or 21% giving intensive agronomic management, this variety may be suitable for French Fry production. All the exotic genotypes can be selected for table potato purposes. These genotypes should be tested further in large plots at on-station and on-farm for confirmation.

Knowledge Management: Journal