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Screening of Potato Varieties Against Nacl Salinity Stress.

S. Akhter
Principal Scientific Officer
Tuber Crops Research Centre, BARI,Joydebpur, Gazipur.

M..J. Hossain,
Scientist
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

M.M. Hossain
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

F. Begum
Tuber Crops Research Centre, BARI, Joydebpur, Gazipur.

Abstract/ Executive Summary:

Ten potato varieties were evaluated against 100, 150 and 200mM NaCl concentrations. The average tuber yield of the potato varieties was 230.87g per plant under control treatment while it was 36.35g for 100mM, 36.18g for 150 mM and 24.04g for 200mM Nacl. Varieties Ultra and Asterix were found better salt tolerance than others.

Keywords: Potato, NaCl, stress.

Location: Joydebpur, Gazipur.

Start Date: 10-12-2005

End Date: 10-03-2006

Program Area: Variety and Species

Commodity: Potato

Objectives:

To screen 10 potato genotypes against salinity levels.

Methodology:

Ten potato varieties namely, ULTRA, DURA, V-37, MARKIIS, ESPIRIT, RODIO, FABULA, VOYAGER, ASTERIX and AKIRA were included in this experiment. One 28-45 mm sized tuber was planted in a pot. Ten kg soil was used in each pot. Four levels of NaCl namely, T₀= Control (plain water), T₁=100 mM(milimole) NaCl solution, T₂=150 mM NaCl solution and T₃=200mM NaCl solution were used. The experiment was set up in randomized complete block desing relicated thrice. Each replication included three pots. Thus, in total, there were 10 variety x 4 NaCl levels x 3 rep x 3 unit/rep=360 pots. The tubers were planted on 10 December, 2005. The pot was irrigated with NaCl solution as and when necessary. The experiment was irrigated eight times. Each NaCl level had 90 pots, which were irrigated by 75 liter of solution each time. Fertilizer were calculated out from the standard dose as recommended by TCRC for potato and applied in each pot. During the period of the experiment no rain occurred. The experiment was harvested 80 days after planting.

Source of Information: TCRC, Annual Report-2005-06, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/=

Total Budget (Tk.) : 20,000/=

Achievement/Findings:

The average tuber yield of the potato varieties was 230.87g per plant under control treatment while it was 36.35g for 100mM, 36.18g for 150 mM and 24.04g for 200mM Nacl. Varieties Ultra and Asterix were found better salt tolerance than others.

Knowledge Management: Report/Proceedings