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Influence of Imported and Locally Produced Seeds and Time of Planting on the Yield of Four Potato Cultivars

M. A. Siddique
Department of Horticulture, Bangladesh Agricultural University,Mymensingh.

A. M. Farooque
Department of Horticulture, Bangladesh Agricultural University,Mymensingh.

M. A. Rahim
Department of Horticulture, Bangladesh Agricultural University,Mymensingh.

Abstract/ Executive Summary:

The locally produced second generation potato seed tubers of CV. Patrones and Diamant gave higher yield than the directly imported first generation seed. However, the directly imported seed of cv, Multa out-yielded the locally produced seed. Planting of locally produced second generation seed 15 days after November 20, resulted 23, 22, 16 and 14% reduction in yield in cv. Cardinal, Patrones, Multa and Diamant, respectively. The early planted crop produced higher proportion of large tubers.

Keywords: Potato cultivars, Time of planting, Yield

Location: Bangladesh Agricultural University, Horticulture Farm

Start Date: 00-00-1983

End Date: 00-00-1984

Program Area: Variety and Species

Commodity: Potato

Objectives:

To assess the relative performance of directly imported first generation and locally produced second generation potato seeds of cv. Cardinal, Patrones, Multa and Diamant
To reveal the influence of late planting on the yield of the same four cultivars.

Methodology:

The experiments were conducted at the Bangladesh Agricultural University Horticulture Farm during the winter season of 1983-84, Experiement 1 was carried out to assess the relative performance of directly imported first generation and locally produced second generation potato seeds of cv. Cardinal, Patrones, Multa and Diamant. The cultivars are of Holland origin. The seed tubers were planted on December 5, 1983. Experiment 2 was conducted to reveal the influence of late planting on the yield of the same four cultivars. The seed used for this experiment were the locally produced second generation tubers. Tubers were planted on November 20 and December 5, 1983. Seeds for both the experiments were obtained from the Bangladesh Agricultural Development Corporation, Dhaka.Both the experiments were laid out in the randomized complete block design with three replications. The unit plots were 3.0 m x 2.4m in size. The soil of the experimental site was sandy loam in texture. Seeds were sown at a spacing of 60 cm x 30 cm. Cowdung, mustard oilcake and triple superphosphate at the rates of 9 t, 350 kg and 230 kg/ha, respectively, were applied as basal dose. Urea and muriate of potash at the rates of 340kg and 280 kg/ha were applied in two equal installments, after 22 and 51 days of planting. Irrigation, weeding and other intercultural operations were done as and when needed. The crops raised from directly imported and locally produced seeds in Experiment 1 (planted on December 5, 1983) were harvested on March 8 and 15, 1984 respectively, And the crops planted on November 20 and December 5 in Experiment 2 were harvested on February 20 and 29, 1984 respectively. The crops in both the experiments were harvested when they showed symptoms of maturity.

Source of Information: Bangladesh Horticulture,12(2):33-37, 1984

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Patrones and Diamant gave higher yield than the directly imported first generation seed. However, the directly imported seed of cv, Multa out-yielded the locally produced seed. Planting of locally produced second generation seed 15 days after November 20, resulted 23, 22, 16 and 14% reduction in yield in cv. Cardinal, Patrones, Multa and Diamant, respectively. The early planted crop produced higher proportion of large tubers.

Knowledge Management: Journal