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Advanced Yield Trial of Multiple Disease Tolerant Avrdc Tomato Lines

G M A Halim

M. Saifullah

M.A. Goffar

Abstract/ Executive Summary:

The study was conducted at the experimental field of Olericulture Division, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur during the winter season of 2014-15 to evaluate selected multiple disease tolerant AVRDC tomato lines. Significant variation was observed among the lines in respect of different characters studied. A wide range of variation in number of fruits per plant was observed which varied from 28.30 to 38.50 and average fruit weight also varied from 67.00 to 96.0g. Maximum fruit yield per plant and per hectare obtained from the line AVTO1229 (3.51 kg/plant; 105.10t/ha) followed by AVTO1316 (3.48kg/plant; 103.62t/ha) and AVTO1317 (3.02kg/plant;98.55t/ha). There was no virus and late blight infection in all the lines except BARI Tomato 14 and BARI Tomato 15. The line AVTO11218, AVTO1228, AVT01229, AVTO1316 and AVTO1317 were shown virus tolerant and also high yielder. These lines may be recommended for multi-location trial for confirmation of the results.

Keywords: Tomato lines, AYT, Multiple disease tolerant, Yield

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

Start Date: 22-10-2014

End Date: 00-00-2015

Program Area: Variety and Species

Commodity: Tomato

Objectives:

To evaluate the performance of the selected tomato lines with a view to develop new variety(s) with desirable traits.

Methodology:

The experiment was conducted at the experimental field of Olericulture Division, HRC, BARI during the winter season of 2014-2015. Previously selected five tomato lines were collected from AVRDC used as experimental materials. Two released tomato variety BARI Tomato 14 and BARI Tomato 15 were used as check. The seeds of above mentioned lines/varieties were sown in the seedbed on October 22, 2014. 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 4.8 x 1 sq m providing a spacing of 60x40 cm. The crop was fertilized with cow dung 10 ton, urea 550kg, TSP 450kg and MoP 250kg per ha, respectively. Half of the quantity of cowdung, entire TSP and half of the MoP were applied during final land preparation. The remaining half of the cowdung was applied during pit preparation. The rest of MoP and entire urea were applied at three equal installments at 15, 30 and 45 days after transplanting. Irrigation, pruning, mulching weeding, plant protection and other intercultural operations were done as and when necessary. Data on days to 50% flowering, plant height at last harvest, days required for first harvest, fruit length, diameter, number of fruit per plant, individual fruit weight, fruit yield per plant, TSS (%), number of seeds per fruit and percent of virus infestation were recorded. The collected data on aforementioned parameters was statistically analyzed (Gomez and Gomez, 1983).

Source of Information: BARI HRC (Olericulture) Annual Research Report 2014-2015

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the plant growth habit, flowering, virus infection, late blight infection and quantitative traits, five lines viz. AVTO1229, AVTO1316, AVTO1218, AVTO1317 andAVTO1228 were not shown to virus and late blight infestation, moreover high yielder and promising. These 5 lines may be put into regional yield trial in the next year with a view to develop a new variety(s) of tomato.

Knowledge Management: Report/Proceedings