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Performance of BARI Ghom–26 Under Saline Stressed Condition

M. A. A. Al-Musa
FMO, IFDC Bangladesh

M. S. Islam
SAU, Dhaka

M. M. Moniruzzaman
SAU, Dhaka

M. S. Islam
Res. Officer, (Agric), Bangladesh Water Dev. Board

S. Nasrin
Res. Officer, (Agric), Bangladesh Water Dev. Board

Abstract/ Executive Summary:

A pot experiment was carried out to study the performance of BARI ghom–26 under saline stressed condition in order to find out the optimum salinity level for cultivation. The study was consists of three salinity stressed levels viz. 4.0, 8.0 and 12.0 dS m^-1 together with a control 0.0 dSm^-1 for the observing the field performance under saline stressed condition of Patuakhali while salinity was applied in 45 Days After Sowing (DAS). This study also revealed plant height, leaf area index, stem dry weight pant^-1, shoot dry weight pant^-1, root dry weight pant^-1, total dry matter pant^-1 , number of effective tillers hill^-1 , length of spike (cm), ,number of grain spike^-1 , 1000 grain weight (g), grain yield plant^-1, shoot yield plant^-1, yield ha^-1, harvest index and grain nutrient percentage were gradually decreased with continuing increased in salinity levels. Grain Na percentage reveled the antagonistic salinity effect on N P K absorbance. On the other hand, 4.0 dSm^-1 salinity found to be the considerable tolerance level for cultivating the BARI ghom–26 under saline stressed condition of Patuakhali.

Keywords: BARI ghom–26 (wheat), Salinity stressed, Non–saline ecosystem

Location: Department of Agricultural Botany, Patuakhali Science and Technology University (PSTU),Patuakhali

Start Date: 00-11-2010

End Date: 00-04-2011

Program Area: Risk Management in Agriculture

Commodity: Wheat

Objectives:

1. To find out the considerable tolerance level of salinity for cultivating the BARI ghom–26 under saline stressed condition of Patuakhali.

Methodology:

A pot experiment was conducted at the net house of the Department of Agricultural Botany, Patuakhali Science and Technology University (PSTU), Patuakhali during the period from November 2010 to April 2011. The soil was collected from the field laboratory of the PSTU. The experiment was laid out in RCBD with three replications. The variety BARI ghom-26 was used as planting materials and three salinity stressed levels viz. 4.0, 8.0 and 12.0 dS m^-1 together with a control 0.0 dSm^-1 were also used while salinity was applied in 45 DAS. The soil, fertilizer (100, 60, 40 and 7.5 kg ha^-1 of N, P, K and Zn respectively in the form of Urea, TSP and MoP and ZnSO₄) and cowdung were mixed before putting the soil into the pots. Each pot was filled with 18 kg of mixture soil. After germination, healthy ten plants were selected for further study and four plants were collected from each pot for sampling and collecting the data on various morpho–physiologies at 100 DAS namely plant height in cm; shoot, root and total dry matter weight in g plant^–1; LAI; and effective tillers hill^–1. Other plant were grown for collecting the data on yield and yield contributing characters at harvest such as 1000 grains weight in g at 12% moisture, grain and yield in g plant^-1 and harvest index in %. Analysis of variance (ANOVA) and mean were done with the help of computer package M-STATC and mean differences among the varieties were adjusted with Duncan's Multiple Range Test (DMRT) at 5% level of significance.

Source of Information: J. Environ. Sci. & Natural Resources, 7(1): 127 – 130, 2014; ISSN 1999-7361

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

This study also revealed plant height, leaf area index, stem dry weight pant^-1, shoot dry weight pant^-1, root dry weight pant^-1, total dry matter pant^-1 , number of effective tillers hill^-1 , length of spike (cm), ,number of grain spike^-1 , 1000 grain weight (g), grain yield plant^-1, shoot yield plant^-1, yield ha^-1, harvest index and grain nutrient percentage were gradually decreased with continuing increased in salinity levels. Grain Na percentage reveled the antagonistic salinity effect on N P K absorbance. On the other hand, 4.0 dSm^-1 salinity found to be the considerable tolerance level for cultivating the BARI ghom–26 under saline stressed condition of Patuakhali.

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