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Selection of Heat Tolerant Potato Variety for Early Planting

M. M. Sheikh
TCRC, BARI

B. C. Kundu
TCRC, BARI

M. A. Kawochar
TCRC, BARI

M. M. Hossain
TCRC, BARI

M. M. Rahman
TCRC, BARI

A. Hussain
TCRC, BARI

B. K. Goswami
TCRC, BARI

M. J. Uddin
TCRC, BARI

Abstract/ Executive Summary:

Selection of heat tolerant yield trial was conducted at BSPC, Debigonj during rabi season 2013-2014 and 25 germ plasm of BARl released potato variety, advanced breeder line and exotic germ plasm were included. Genotypes 5.9 produced highest tuber per plant 5.183 produced maximum tuber weight per plant (0.70 kg). Highest tuber yield (38.78 t/ha) was recorded from the variety sagitta and lowest in Laura (16.54 t/ha). Hybrid clone 4.26R produced highest dry matter (20.36%) and lowest in provento (15.30%). Considering yield production (t/ha) among the tested genotypes 16 (yield more than 25 t/ha) germ plasm were selected for further evaluation in next year.

Keywords: Varieties, Heat tolerant, Potato, Early planting

Location: BSPC, Debigonj

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Variety and Species

Commodity: Potato

Objectives:

To select heat tolerant potato variety for early planting

Methodology:

At BSPC, Debigonj most of the BARI released potato varieties including exotic and TCRC & C advanced lines were planted (25 germplasms) on 10 October 2013 in a single line of 3m long seed to seed 25 cm apart. Fertilizers were applied @ 325-220-250-120 kg/ha of urea, TSP, MP gypsum, respectively. Necessary intercultural operations were done as per TCRC recommendation. The crop was harvested at 90 DAP. Data were recorded on plant emergence, foliage coverage, pI height, Plant vigour, number of stem/plant, number of tuber/plant, weight of tuber/plant and yield. Data were calculated using Microsoft excel program. Superior genotypes marked at vegetative stage and final selection was made after harvest on the basis of yield production (t/ha).

Source of Information: Annual Research Report 2013-14, TCRC, BARI, September 2014, pp: 85-87

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

All the genotypes except Laura gave more than 80% emergence at 30 DAP and more than 90% foliage coverage at 60 DAP. Among the tested genotypes highest plant height was observed in the variety Dheera (106.1 cm) and lowest in exotic germ plasm Elgar (70.73 cm). Most of them were low in plant vigour condition due early heat in their cultivation season. Variety Provento and Bellini produced more stem (6.0) than the other genotypes in this study. Hybrid clone 5.9 produced highest tuber number per plant (13.13). Tuber weight per plant was found lowest in Billini and highest in 5.183 (0.70 kg) Genotypes 5.9 produced highest tuber per plant 5.183 produced maximum tuber weight per plant (0.70 kg). Highest tuber yield (38.78 t/ha) was recorded from the variety Sagitta and lowest in Laura (16.54 t/ha). Hybrid clone 4.26R produced highest dry matter (20.36%) and lowest in provento (15.30%).

Knowledge Management: Report/Proceedings