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Seed Germination and Seedling Growth of Different Jute Cultivars Under Different Levels of Sodium Chloride Salinity

Md. Najmus Sadat Ratna
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

Md. Monirul Islam*
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

Md. Sarwar Jahan
Agrotechnology Discipline, Khulna University, Khulna 9208, Bangladesh

Md. Masudul Haque
Soil Science Discipline, Khulna University, Khulna 9208, Khulna 9208, Bangladesh

Abstract/ Executive Summary:

Six jute cultivars viz. CVL-1, CC-45, CVE-3, D-154, BINA-1, and BINA-2 were tested under six salt concentrations, viz. S0 = deionized water (control), S1 = 4 dS m-1 , S2 = 8 dS m-1 , S3 = 12 dS m-1 , S4 = 16 dS m-1 and S5 = 20 dS m-1 . Different parameters of germination and seedling growth were found variable with the varieties and also with the various concentrations to sodium chloride salts. Overall better performance of germination, as well as seedling growth parameters, was found with the variety D-154 followed by CC-45 although the percentage of germination and seedling growth decreased with the increase in salinity level in almost all the cases.

Keywords: Jute, Seeds, Germination, Growth, Salinity

Location: In Bangladesh

Start Date:

End Date:

Program Area: Risk Management in Agriculture

Commodity: Jute, Soil salinity

Objectives:

The major objective of this study is to observe the effect of different levels of NaCl salinity on seed germination, seedling growth and dry matter production of jute cultivars under laboratory conditions.

Methodology:

The experiment was laid out in a Completely Randomized Design (CRD) with five replications. Two factors were considered in this experiment. Factor A: six jute varieties viz. CVL-1, CC-45, CVE-3, D-154, BINA-1, and BINA-2 and factor B: six salinity (NaCl) levels viz. S0 = 0 dS m-1 , S1 = 4 dS m-1 , S2 = 8 dS m-1 , S3 = 12 dS m-1 , S4 = 16 dS m-1 and S5 = 20 dS m-1 . Twenty five seeds for each variety were placed in each petridish. The experiment was kept at 25⁰C for 14 days under laboratory condition.

Germination (%) = Number of seeds germinated / Total number of seeds placed in petridish x 100

Germination energy = Percentage of seeds germinated at 72 h

Germination capacity = Percentage of seeds germinated at 168 h

Speed of germination (%) = Number of seeds germinated at 72 h / Number of seeds germinated at 72 h x 100

Growth parameters: Data were collected from each replicated petridish after 14 days of experiment. Five samples were collected from each petridish and the mean were calculated for shoot and root length. The dry weight of shoot and root were collected after oven drying at 70° C for 48 hours.

The collected data were analyzed for variance (ANOVA) with MSTAT-C programme. Differences between the treatment means were compared according to Duncan’s Multiple Range Test (DMRT).

Source of Information: Khulna University Studies Volume 11 (1&2) and 12 (1&2): December 2013

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Germination parameters are negatively affected with increasing salinity. D-154 and CC-45 were the best varieties among six jute cultivars for germination parameters. Among the jute cultivars CVL-1 and D-154 showed the best performance in growth parameters. Considering all the parameters observed in the experiment D-154 could be considered the best salt tolerant variety.

Knowledge Management: Journal