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Regional Yield Trial of Ty Gene Inserted Cherry Tomato Lines for Yield and Diseases Resistance (2016 – 2017)

M A Goffar
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

G.M.A. Halim
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

P. Hanson

Abstract/ Executive Summary:

A regional yield trial (RYT) was conducted at the experimental field of Olericulture Division, Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute (BARI), Gazipur during the winter season of 2016-17 to assess the yield potentiality, diseases resistance and adaptability. Two selected cherry tomato lines and one advance cherry tomato line with check BARI Tomato 11 were considered as materials. The highest fruit yield per plant was recorded from the line SL0012 (3.96 kg) followed by SL0011 (3.54 kg). The maximum fruit yield per hectare (81.89 tones) was obtained from the line SL0012. Long shelf life was observed (21-23 days) in all the cherry tomato lines. The beta-carotene content showed the highest in the line SL0012 (227μg), while the second highest recorded from the line SL0011 (204μg) and the lowest beta-carotene exhibited from the line SL0067 (113μb). The magnitude of virus infection showed that no virus infection was observed in the tomato plants. The line SL0012 has been selected for releasing as beta-carotene rich cherry tomato variety. The line SL0068 may be selected for red color cherry tomato variety and rest of the tomato lines may be maintained for further improvement of the cherry tomato varieties.

Keywords: Tomato, Variety, Adaptability, Diseases resistance, Yield

Location: Olericulture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Start Date: 00-00-2016

End Date: 00-00-2017

Program Area: Variety and Species

Commodity: Tomato, Diseases

Objectives:

To develop high yielding and diseases resistant beta-carotene rich cherry tomato variety for Bangladesh.

Methodology:

The experiment was carried out at the experimental field of Olericulture Division of HRC, BARI during winter season of 2016-17. The selected (selection was made in the year of 2012 13) AVRDC/WVC supplied tomato lines viz.: SL0011, SL0012, another advanced cherry tomato line (SL0067) were selected for this study, while BARI Tomato 11 was used as check. The seeds of above mentioned lines and variety were sown in the on 18 October, 2016. The experiment was laid out in the randomized complete block design (RCBD) with 3 replications. Four treatment combinations were randomly allotted in each block. The size of a unit plot was 4.8m × 1m, and the plant spacing was 60cmx40cm. Each unit plot contained 2 rows of plants (24 plants/ plot). Thirty days old seedlings were transplanted in the main plot on 19 November, 2016. The crop was fertilized with cow dung 10 ton, N-253 kg (urea-550 kg), P- 90 kg (TSP-450 kg), K-125 (MoP-250 kg), S-21 kg (Gypsum-116 kg), Zn-4.9 kg (Zinc Sulphate-14 kg) and B-2 kg (Boric acid-12 kg) per hectare, respectively. Half of the quantity of cow dung, entire P and half of the K, entire zinc and boron were applied during land preparation. The remaining half of the cow dung was applied during pit preparation. The rest of K and entire N were applied at three equal installments at 15, 30 and 45 days after transplanting. Plant protection, irrigation and other intercultural operations were done as and when necessary. Data on yield and yield attributing parameters with qualitative traits were recorded from 20 inner plants of each plot escaping border plants following AVRDC guide line as follows: days to first and 50% flowering, plant height at last harvest, days to maturity, number of fruit per plant, average fruit weight, fruit length and diameter, fruit yield per plant, yield per plot, yield per ha, number of seeds per fruit, shelf life, percent of virus infestation (at 45 DAS, 60 DAS and 75 DAS) and magnitude of beta carotene content (Analyzed at Centre for Advanced Research and Science (CARS), University of Dhaka) were recorded. The recorded quantitative data were analyzed statistically by F- test to find out the variation due to different treatments .Analysis of variance (ANOVA) and treatment means were compared by Least Significant Difference (LSD) test following R Software 3.1.2 (Anon., 2015).

Source of Information: Annual Research Report 2016 – 2017, Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the earliness, qualitative traits, pest and diseases reactions and yield potentials in unit area, SL0012 may be suggested to release as beta-carotene enrich cherry tomato variety and may also be recommended for growing at different agro-ecological zones of Bangladesh. Further this line may also be suitable for school gardening. The line SL0067 is also found to be promising therefore this line may be maintained for future important of the cherry tomato variety.

Knowledge Management: Report/Proceedings