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Effect of Nacl Salt on Vegetative Growth and Yield of Sixteen Tomato Lines

I. H. Shiam
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

A. F. M. Jamal Uddin
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

H. Mehraj
Dept. of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

K. Momena
Advanced Seed Research and Biotech Center, ACI Limited, Dhaka, Bangladesh

A. S. M. Nahiyan
Advanced Seed Research and Biotech Center, ACI Limited, Dhaka, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Sher-e-Bangla Agricultural University, Bangladesh to evaluate influence of salt (NaCl) on sixteen tomato lines. Sixteen lines coded from V₁ (Line-01) to V₁₆ (Line-16) were executed under different NaCl salinity conditions (S₀: Control; S₁: 12dS/m and S₂: 16 dS/m) following completely randomized design with three replications. Apart from control, V₈ provided tallest plant in 12 dS/m (43.7 cm) and in 16 dS/m (38.4 cm) salinity level at 60 days after transplanting which was statistically similar with the V₉ tomato line. V₈ line provided the maximum number of leaves per plant except control (24.2 and 21.1 in 12 dS/m and 16 dS/m respectively). V₉ line produced maximum leaf area (123.7 cm² and 97.6 cm² in 12dS/m and 16 dS/m respectively) under saline conditions which was followed by V₈ line (112.7 cm² and 92.6 cm² in 12dS/m and 16 dS/m respectively). Maximum number of bunch per plant was observed from V₉ line (10.7 and 9.3 in 12 dS/m and 16 dS/m respectively) followed by V₈ line (9.3 and 9.3 in 12 dS/m and 16 dS/m respectively) except control. Maximum yield was found from V₉ line (0.923 kg/plant) followed by V₂ line (0.493 kg/plant) in 12 dS/m salinity level and maximum yield was found from V₉ line (0.593 kg/plant) which was closely followed by V₈line (0.407 kg/plant) in 16 dS/m salinity level. Tomato line-09 was found the best tomato cultivar for salt affected areas in Bangladesh.

Keywords: Tomato lines, Salinity, Growth and Yield attributes

Location: Horticultural Farm, Sher-e-Bangla Agricultural University, Bangladesh

Start Date: 00-11-2012

End Date: 00-03-2013

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To evaluate the ability of tomato lines under different saline conditions and screen out for salinity tolerant lines.

Methodology:

The experiment was conducted at Horticultural Farm, Sher - e - Bangla Agricultural University, Bangladesh during the months of November 2012 to March 2013. Sixteen tomato lines coded from V₁ (Line-1) to V₁₆ (Line-16) were executed under different salinity levels (S₀: Control; S₁: 12dS/m and S₂: 16 dS/m) using completely randomized design with three replication. In this study, 12 dS/m and 16 dS/m salinity levels were used to screen out the suitable variety for the highly saline affected areas like S₃(salinity level ranged from 8.1-12.0 dS/m) and S₄ (12.1-16.0 dS/m) regions in Bangladesh. Tomato lines were collected from local home and abroad. Seeds were sown on the regular seedbed in 5th October and seedlings were transplanted into pots on 4^th November. Firstly 4 square meter plot was prepared with 4 inches tilling depth and entire soil of that plot was weighted. Then Cowdung (10 t/ha), Urea (300 kg/ha), Triple Super Phosphate (200 kg/ha), Muriate of Potash (220 kg/ha) for 8 kg soil was calculated. The entire amount of organic manure, Triple Super Phosphate and half of the Muriate of Potash were applied during final soil preparation. The remaining half of MP and entire urea applied in three equal installments, 1^st at 15 days after planting, 2^nd at flowering and the 3^rdat fruit maturity stages. The pot was filled with 8kg soil having no salinity. Edible salt manufactured by Advanced Chemical Industries (ACI) Limited was used to create saline water. For the control plants were not exposed to salinity; whereas for the 12 dS/m and 16 dS/m salinity level 6.6 g ACI salt/L of water and 8.8 g ACI salt/L of water (the conversion rate was 1 dS/m = 0.55 g/L) were given to each pot respectively. Saline solutions were given in the plastic bowl which was placed under the pots. Data were collected on plant height, number of leaves, leaf area, chlorophyll content, number of bunch/plant, days to fruiting (visual observation), number of flower/plant, number of fruit/plant, single fruit weight and yield/plant. Electronic precision balance was used for measuring fruit weight and yield/plant respectively. Collected data were statistically analyzed using MSTAT-C program and mean was calculated. Differences of means between treatments were evaluated by Least Significance Difference (LSD) test at 5% level of significance.

Source of Information: Journal of Bioscience and Agriculture Research Vol. 03 (01): 15-27, 2015, Online ISSN 2312-7945

Article Link (Online Journal): http://www.journalbinet.com/uploads/2/1/0/0/21005390/effect_of_nacl_salt_on_vegetative_growth_and_yield_of_sixteen_tomato_lines.pdf

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Salt tolerance in crops is largely determined by their ability to exclude Na+ and Cl- from their shoots and their ability to maintain these ions. From the results it can be concluded that different levels of salinity significantly affect the performance of different tomato lines. With the increase of salinity levels the growth and yield decrease and these effect of differs among the lines. Plant growth and yield contributing characteristics also yield were changed to different according lines. However, V₉ was best variety for the both the level of 12 dS/m and 16 dS/m saline affected area that was closely followed to the V₈ concerning yield and yield contributing characters.

Knowledge Management: Journal