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Participatory Ayt of Cip Potato Germplasm for Salinity Tolerance

B. C. Kundu
TCRC, BARI

M. Hossain
TCRC, BARI

A. A. Mahmud
TCRC, BARI

B. K. Goswami
TCRC, BARI

M. M. Hasan
TCRC, BARI

E. H. M. S. Rahaman
TCRC, BARI

M. A. Rahman
TCRC, BARI

M. M. A. Patwary
TCRC, BARI

M. H. Rahman
TCRC, BARI

G. N. Hasan
TCRC, BARI

M. A. Kawochar
TCRC, BARI

E. Haque
TCRC, BARI

M Kadian
TCRC, BARI

B. Merideth
TCRC, BARI

M. J. Uddin
TCRC, BARI

Abstract/ Executive Summary:

Five CIP potato clones along with 2 check varieties Diamant and Asterix were evaluated at Patia, Chittagong, Kuakata, Patuakhali & ARS, Satkhira during 2013-14 cropping season for their suitability of salt tolerance. It was observed that tuber yield and other yield contributing characters like; plant vigor, foliage coverage, and plant senescence at 60 days after planting were varied significantly among the tested clones/varieties. At planting, the highest salinity level was recorded Chittagong (6.00 dS/m) and the lowest was at Patuakhali (1.65 dS/m). During harvesting time, highest level was recorded at Satkhira (10.81 dS/m) and the lowest was at Chittagong (8.70 dS/m. Mean highest yield was observed in CIP 139 (22.71 t/ha) followed by ClP 102 (19.84 t/ha) and was lowest in Diamant (15.85 t/ha). Based on tuber yield and senescence percent, under saline conditions at three locations, CIP-139 showed best performance, while the check Diamant showed the lowest performance in saline condition. Finally, in the trial, among 5 clones C1P-139 (C 396311.1) and CIP-102 (301029.18) may be recommended to include in the regional yield trial release as saline tolerant variety(s) in next cropping season.

Keywords: Potato, Germplasm, Salinity Tolerance

Location: Patia, Chittagong, Kuakata, Patuakhali & ARS, Satkhira

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Variety and Species

Commodity: Potato

Objectives:

To find out the suitable potato clones tolerance to salinity in the coastal areas of Bangladesh.

Methodology:

In 2011-12, 15 CIP potato clones were evaluated for tolerance to salinity and out of those 8 clones were selected for trial in 2012-13 and the trial was conducted at Satkhira, Patuakhali and Chittagong. In 2013-14 five selected clones [CIP-102 (301029.18), CIP 111 (380583.8), CIP 112 (380606.6), CIP 130 (393617.1) and CIP 139 (396311.1)] from out of 5 with two checks BARI Potato-7 (Diamant) and BARI Potato-25 (Asterix) were evaluated in the same locations. Salinity level of soil at the experimental fields was collected before planting and during different cropping stage by using EC meter. The tubers were planted on 25^thNovember at Patia, Chittagong, 2^nd December at Satkhira and 3^rd December at Patuakhali in replicated (3) plots of 3 x 3m size. Plant spacing was 60 x 25 cm. Fertilizers were applied @ 160-44-132-15 kg/ha of N, P, K and S, respectively. Full amount of P, K and S and 50% of N were applied as basal and the remaining amount of urea was top dressed at 35 days after planting. Weeding, irrigation, earthing-up and other intercultural operations were done as and when necessary. All the yield and yield contributing characters data were recorded and were statistically analyzed. Plant vigor and senescence was recorded on 1-5 scale, where 1 is very poor vigor and 5 is highly vigorous while 5 greenish i.e. is very poor senescence and 1 is highly senescence. Salinity level of experimental plots soil was analyzed. The level of soil salinity was measured in different stages of plant growth and it was ranged from 1.65 to 10.81 dS/m. Comparatively higher level of salinity was recorded at Patia, Chittagong and it was the lowest in Patuakhali at planting time. Again, at harvest higher salinity was recorded in Satkhira and lowest in Chittagong. Weather data of all locations were presented.

Source of Information: Annual Research Report 2013-14, TCRC, BARI, September 2014, pp: 94-100

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Based on tuber yield and senescence percent, under saline conditions at three locations, CIP-139 showed best performance, while the check Diamant showed the lowest performance in saline condition. Finally, in the trial, among 5 clones C1P-139 (C 396311.1) and CIP-102 (301029.18) may be recommended to include in the regional yield trial release as saline tolerant variety(s) in next cropping season.

Knowledge Management: Report/Proceedings