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Regional Yield Trial of Clonal Hybrids of Potato

B. C. Kundu
TCRC, BARI

M. A. Kawochar
TCRC, BARI

S. Naznin
TCRC, BARI

M. M. Hossain
TCRC, BARI

M. M. Sheikh
TCRC, BARI

A. T. M. T. Islam
TCRC, BARI

M. M. Rahman
TCRC, BARI

M. B. Anwar
TCRC, BARI

N. D. Ahmed
TCRC, BARI

M. M. Rahman
TCRC, BARI

S. C. Halder
TCRC, BARI

K. U. Ahmed
TCRC, BARI

M. A. Hossain
TCRC, BARI

B. K. Goswami
TCRC, BARI

M. J. Uddin
TCRC, BARI

Abstract/ Executive Summary:

Six clonal hybrid of potato namely 8.11, 8.37, 8.46, 8.73, 8.102 and 8.117 along with check varieties BARl Alu-7 (Diamant), BARl Alu-8 (Cardinal) and BARl Alu-28 (Lady Rosetta) were evaluated at six different agro ecological environment/locations during 2013-14 cropping season in RYT Combined analysis was done to see the genotype location interaction. The significant influence was observed of different environmental factor of different locations on the expression of different characters of potato. The clonal hybrid 8.37 yielded the highest (24.17 t/ha) followed by 8.11 (22.29 t/ha), 8.102 (22.01 t/ha), 8.73 (21.52 t/ha) and 8.117 (21.49 t/ha) at 65 DAP. At 90 DAP all hybrid clones yielded higher than the all check varieties in case of genotype means over locations. All the six hybrid clones found promising. So, considering the yield in farmers' field trial, post-harvest, processing, disease and insect data all clonal hybrids were recommended for the release as commercial variety (s).

Keywords: Clonal hybrids, Potato, Varieties

Location: Joydebpur, Munshigonj, Bogra, Jamalpur, Jessore and Debigonj

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Variety and Species

Commodity: Potato

Objectives:

To see the genotype location interaction.

Methodology:

Six clonal potato hybrids namely 8.11, 8.37, 8.46, 8.73, 8.102 and 8.117 selected from last six consecutive years (TCRC, 2008-2013) along with check varieties BARI Alu-7 (Diamant), BARI Alu-8 (Cardinal) and BARI Alu-28 (Lady Rosetta) were evaluated at Joydebpur, Munshigonj, Bogra, Jamalpur, Jessore and Debigonj during 2013-14 cropping season in RCB design with three replications in each location. The unit plot size was 3m x 3m. Whole tubers (BSPC, Debigonj source) were planted with a spacing of 60 cm x 25 cm. Planting was done during November 19 to 28, 2013. Fertilizers were applied @ 325-220-250-120 kg/ha of urea, TSP, MP and gypsum respectively. Necessary intercultural operations were done as per TCRC recommendation. The crop was visited by the Regional Technical Committee of NSB (National Seed Board) two times and harvested at 65 DAP (Days After Planting) one/two line per plot and rest at 90 DAP in presence of them. Data on yield, yield contributing characters and tuber grading were taken and combined analysis was done over location and their means were compared by DMRT by using computer based statistical software MSTATC. Tuber grading percent by number and weight was computed average mean over six locations. Tuber characters was also collected as per DUS descriptor/cataloge .

Source of Information: Annual Research Report 2013-14, TCRC, BARI, September 2014, pp: 33-40.

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Results of the present study clearly indicated six clonal hybrid of potato namely 8.11, 8.37, 8.46, 8.73, 8.102 and 8.117 produced the higher yield than check varieties. Moreover, satisfactory dry matter was produced by all the hybrid clone. So, the six hybrid clone could be advanced to release as variety considering the result of PVS, disease, insect, postharvest and processing.

Knowledge Management: Report/Proceedings