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Regional Yield Trial of Ty Gene Inserted Tomato Lines for Yield and Diseases Resistance

M.A.Goffar

Ferdouse Islam

M.Moniruzzaman,

M.F. Hossauin

M.R. Karim

M.M. Rahman

M.H. Reza

G.M.A Halim

Abstract/ Executive Summary:

A regional yield trial of four selected Ty gene inserted tomato lines of AVRDC with check BARI Tomato 15 at six location of BARI which included Joydebpur, Jamalpur, Hathazari and Burirhat in the winter season of 2014-15 to evaluate the performance of selected tomato lines at different AEZ. Average fruit number, fruit yield per hectare over locations and post harvest parameters in relation to qualitative characters conducted at Joydebpur are discussed. On an average of three locations, fruit number per plant were varied from 45 (SL008) to 55 (control) while the highest number of fruits (58) were counted from the control at Joydebpur and the lowest (37) number of fruits beard in SL0010 at Hathazari. In respect of fruit yield, the highest average yield (70.10) was recorded from the line SL008 and the lowest fruit yield (59.21) was obtained from the line SL0001. Fruit yield over location indicated that the highest yield (82.96) was contributed by the line SL008 at Joydebpur.The experiment having all the Ty gene inserted lines may be repeated as regional yield trial (RYT) to confirm the yield potentiality and adaptability in different agro-ecological zones of Bangladesh.

Keywords: Regional yield trial, Ty gene, Tomato lines

Location: Joydebpur, Jamalpur, Hathazari and Burirhat

Start Date: 00-00-2014

End Date: 00-00-2015

Program Area: Variety and Species

Commodity: Tomato

Objectives:

To evaluate the performance of the AVRDC supplied selected potential tomato lines to develop high yielding and diseases resistant tomato variety, which may be used as inbred line to develop hybrid tomato varieties too.

Methodology:

The experiment was carried out with five selected Ty gene inserted tomato lines (SL001, SL003, SL008, SL009 and SL010) of AVRDC with check BARI Tomato 15 at four locations (Joydebpur, Jamalpur, Hathazari and Burirhat) of BARI during the winter season of 2014-15. The seeds of above mentioned lines and variety were sown in the on 16 October, 2014 at different location. About thirty days old seedlings were transplanted in the main plot. The experiment was laid out in RCB design with three replications having plot size of 4.8x1 m providing plant spacing of 60x40 cm. The land was fertilized with cow dung, N, P, K, S, Zn and B @ 5000, 253, 90, 125, 22, 5.4 and 2 kg/ha respectively. Half of the cow dung; entire quantity of P, S, Zn, B and 1/3rd of K were applied as basal dose during final land preparation. The remaining amount of cow dung was applied in pit as basal and K in two equal installments as split at 20 and 40 days after transplanting. The entire urea was applied in three equal installments as top dressing at 20, 40 and 60 days of transplanting. Intercultural operations were done as and when needed. 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. Data on days to first and 50% flowering, plant height at last harvest, days to maturity, number of fruit /plant, average fruit weight, fruit length and diameter, fruit yield /plant, yield/ plot, yield /ha, number of seeds per fruit, shelf life, percent of virus infestation (at 45 DAS, 60 DAS and 75 DAS) were recorded. For convenience, average number of fruits per plant and fruit yield per hectare is presented.

Source of Information: BARI HRC (Olericulture) Research Report on Horticultural Crops 2014-2015

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

On an average of three locations, fruit number per plant were varied from 45 (SL008) to 55 (control) while the highest number of fruits (58) were counted from the control at Joydebpur and the lowest (37) number of fruits beard in SL0010 at Hathazari. In respect of fruit yield, the highest average yield (70.10) was recorded from the line SL008 and the lowest fruit yield (59.21) was obtained from the line SL0001. Fruit yield over location indicated that the highest yield (82.96) was contributed by the line SL008 at Joydebpur.The experiment having all the Ty gene inserted lines may be repeated as regional yield trial (RYT) to confirm the yield potentiality and adaptability in different agro-ecological zones of Bangladesh.

Knowledge Management: Report/Proceedings