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Performances of Heat Tolerant Tomato (solanum Lycopersicum) Hybrids During Rainy Season

S. AHMAD
Principal Scientific Officer
Horticulture Research Centre, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh

M. S. ISLAM
Senior Scientific Officer
Horticulture Research Centre, Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh

Abstract/ Executive Summary:

An investigation was undertaken with a view to observing the performance of newly developed summer tomato hybrids during May 2008 to September 2008 at experimental field of Horticulture Research Centre, BARI, Gazipur. Number of fruits per plant, individual fruit weight, fruit size, etc. was significantly higher when the plants were treated with hormone. Fruit yield per plant was quite high in the hormone treated plant (1.57 kg) compared to untreated plants (0.90 kg). In general, all the hybrids performed better when treated with hormone in respect of yield compared to their corresponding untreated plants. The hybrid WP7 × C- 51 had the highest individual fruit weight (56.0 g) Among the hybrids, HT019 × WP10 had the highest fruit yield per plant (1.87 kg) closely followed by C-11 × WP10 (1.81 kg) when the plants were treated with hormone. The untreated plants of the hybrid lines C-41 × WP8, HT019 × WP10 and C-41 × WP10 produced more than 1.0 kg of fruits per plant. This indicates that there is bright scope of tomato production during summer through with and without hormone application, though application of hormone had positive effect on tomato yield.

Keywords: Performances, Heat tolerant tomato hybrids, Rainy season

Location: BARI, Gazipur

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

The present study was undertaken to evaluate the newly developed materials of F₁ generation grown with or without hormone application during summer.

Methodology:

The experiment was conducted at the experimental field of Olericulture Division, HRC, BARI, Gazipur during the summer season of 2008. The seeds of newly developed 11 F1 tomato hybrids and BARI Hybrid Tomato-3 as check were sown in the seed bed on 5 May 2008. Seedlings were transplanted in the main field on 1 June 2008. The experiment was laid out in RCB design with three replications. All the hybrids were grown with and without hormone application. The unit plot size was 4.80 m × 2.3 m accommodating 4 rows. Each row consisted of 12 plants. Spacing was maintained at 60 cm × 40 cm between row to row and plant to plant, respectively. The crop was fertilized with cowdung 10 ton, urea 550 kg, TSP 450 kg and MP 250 kg per ha, respectively. Half of the quantity of cowdung, entire TSP, and half of the MP were applied during land preparation. The remaining half of the cowdung was applied during pit preparation. The rest of MP and entire urea were applied at three equal installments at 15, 30, and 45 days after transplanting. The crop was protected from rain providing polythene tunnel. The growth regulator Tomatotone (consisting of parachlorophenoxyacetic acid) at the rate of 2% was sprayed on plants having 4-5 flower clusters at full bloom stage. Plant received three sprays at 5-6 days interval, and only blooming flower clusters were sprayed. Two rows in each plot were kept unsprayed. Irrigation, pruning, mulching weeding, and other intercultural operations were done as and when necessary. Data were recorded for yield and yield contributing characters and statistically analyzed using MSTAT software.

Source of Information: Bangladesh J. Agril. Res. 36(2) : 189-196, June 2011, ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Fruit yield per plant was quite high in the hormone treated plant (1.57 kg) compared to untreated plants (0.90 kg). In general, all the hybrids performed better when treated with hormone in respect of yield compared to their corresponding untreated plants. The hybrid WP7 × C- 51 had the highest individual fruit weight (56.0 g) Among the hybrids, HT019 × WP10 had the highest fruit yield per plant (1.87 kg) closely followed by C-11 × WP10 (1.81 kg) when the plants were treated with hormone. The untreated plants of the hybrid lines C-41 × WP8, HT019 × WP10 and C-41 × WP10 produced more than 1.0 kg of fruits per plant. This indicates that there is bright scope of tomato production during summer through with and without hormone application, though application of hormone had positive effect on tomato yield.

Knowledge Management: Journal