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Effect of Cultivar, Seed Size and Seed Source on the Yield and Quality of Potato

S. M. Rezaul Karim
Division of Rice Cropping Systems, Bangladesh Rice Research Institute, Joydebpur, Dhaka.

S. M. Altaf Hossain
Department of Agronomy, Bangladesh Agricultural University, Mymensingh.

Abstract/ Executive Summary:

An experiment was carried with (a) three potato cultivars such as Arka, Multa and patrones, (b) three seed sizes, namely, small (28.3mm) .medium (35-45mm) and large (45.55mm) and (e) two seed sources, home-grown and imported to see their effects 011 the yield and quality of harvest. Tuber yield was not affected by the cultivars tried. Only the large seed had yield advantage over the small one. The performance of imported seed was better than home-grown seed. The tuber specific gravity and tuber dry matter remained unaffected by the seed size and seed source while the cultivar had significant effects upon the characters.

Keywords: Cultivar, Yield, Seed size, Seed source, Performance, Potato

Location: Bangladesh Agricultural University Farm, Mymensingh

Start Date: 00-11-1976

End Date: 00-03-1977

Program Area: Quality and Nutrition

Commodity: Potato

Objectives:

To see the comparative performance of home-grown and imported seed potatoes obtained from two different production environments

Methodology:

The experiment was conducted in the Bangladesh Agricultural University Farm, Mymensingh in 1976-77 during November to March. The soil of the experimental area was sandy loam with pH 6.5. The experiment included the following treatments were cultivar- Arka, Multa and Patrones; seed size- small (28.35mm), medium (35.45mm) and Large (45 55mm); seed source- home-grown, imported. The home-grown seeds were properly stored in the cold storage after harvest in March, 1976. The imported seeds were obtained from the Netherlands through the Bangladesh Agricultural Development Corporation. Harvesting of the imported seeds was done in August, 1976. The experiment was laid out in split plot design by assigning cultivar in the whole plot, seed size in the subplot and seed source in the sub-subplot. The experiment was replicated thrice. The size of of sub-subplot i.e. unit plot was 3.7m x 3m. The experimental land was prepared well and fertilized with cowdung at the rate of 9000kg ha during its general preparation. The crop was also fertilized with N, P, K at the rate of 50, 123 and 116 kg/ha through urea, triple superphosphate and muriate of potash, respectively. Half amount of urea and full amount of triple superphosphate and muriate of potash were applied at the time of final land preparation. The rest half of urea was top dressed at the time of first and second earthing up. Seeds were planted on 4th December, 1976 in furrows of 7.5cm depth and 75cm x 30cm spacing. AU intercultural operations like weeding, earthing up, irrigation etc. were done uniformly in all the plots. The crop was harvested after 94 days of planting. Data collected on different growth characters, yield, tuber specific gravity and tuber dry matter were analyzed statistically. Tuber specific gravity was deter. mined from the under water weight of 5 kg tubers. Tuber dry matter was determined by oven dry method.

Source of Information: Bangladesh Horticulture,8(1):25-29,1980

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The performance of imported seed was better than home-grown seed. The tuber specific gravity and tuber dry matter remained unaffected by the seed size and seed source while the cultivar had significant effects upon the characters. The home-grown seed after 9 months of storage lost a certain degree of juvenility, whereas the imported seed with 4 months of age was in full juvenile state as manifested in the crop characters of the present study.

Knowledge Management: Journal