Abstract
A pot experiment was conducted in the Net House of “Field Laboratory of Plant Stress Management” in the Horticulture farm of Sher-e-Bangla Agricultural University, Dhaka, during the period from October 2016 to March 2017. The two factors experiment was laid out in Complete Randomized Design with five replications. Factor A is three tomato varieties viz. V<sub>1</sub>= Exotic line 1 (Korean), V<sub>2</sub>= Exotic line 2 (Taiwan) and V<sub>3</sub>= BARI tomato 14 and factor B is seed priming treatment viz. P<sub>0</sub>= No priming (Control), P<sub>1</sub>= Hydropriming (distilled water), P<sub>2</sub>= NaCl priming (50 mM) and P<sub>3</sub>= KNO<sub>3</sub> priming (200 mM). The total treatment combinations were (4×3) 12 and 8 dS/m fixed salinity maintained for all the pots. The experimental results exhibited that seed priming treatment significantly affected growth, yield and quality parameters of tomato. The highest plant height (137.10 cm), number of fruits per plant (40.92) and fruit yield per plant (585.00 g) were found from V<sub>1</sub> under 8 dS/m salinity level. In case of seed priming, the highest plant height (150.10 cm), number of fruits per plant (48.11) and fruit yield per plant (755.80 g) were recorded from P<sub>2</sub> mostly at 8 dS/m salinity level. Regarding the combined effect, the highest plant height (187.00 cm), number of fruits per plant (55.00) and fruit yield per plant (829.30 g) were found from V<sub>1</sub>P<sub>2</sub> under 8 dS/m salinity level. So, Exotic line 1 with NaCl priming (50mM) showed better performance for growth, yield and quality of tomato under saline condition.
Highlights
Tomato (Lycopersicon esculentum Mill.) is important amongst the most substantial vegetables and broadly cultivated in Bangladesh
60 experimental pots were placed in ambient air at the net house premises of “Field Laboratory of Plant Stress Management lab.”
The data on plant height of tomato plant as influenced by different seed priming treatments was presented in the Table 1
Summary
Tomato (Lycopersicon esculentum Mill.) is important amongst the most substantial vegetables and broadly cultivated in Bangladesh. It is the second biggest vegetable cultivated after potato in Bangladesh. It is considered as a significant "defensive nourishment" as a result of its exceptional nutritive value. The whole area under tomato production in Bangladesh is around 68, 366 acres of land with a yield of 3, 88, 725 tons and a productivity of 5.69 tons/acres of land [1]. In Bangladesh, it is commonly termed as "poor man's apple" and widely grown throughout the country. It is mainly cultivated as Rabi crop in Bangladesh
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