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Regional Yield Trial of Multiple Disease Tolerant Avrdc Tomato Lines (season of 2015-16)

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

Limu Akter
Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

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 2015-16 to evaluate five 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 30.20-42.30 and average fruit weight also varied from 79.03-92.21g. Maximum fruit yield per plant and per hectare obtained from the line AVTO1229 (3.57 kg/plant; 107.07 t/ha) followed by AVTO1316 (3.50 kg/plant; 104.98t/ha) and AVTO1317 (3.48 kg/plant; 104.48 t/ha). There was no virus and late blight infection in all the lines except BART Tomato 15. The line AVTO 1218, AVTO1228, AVTO1229, AVTO1316 and AVTO1317 were showed virus tolerant and also higher yielder. These lines may be recommended for second year multi-location trial for confirmation of the results.

Keywords: Multiple disease tolerant; Yield trial; Tomato, Disease tolerant

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

Start Date: 00-00-2015

End Date: 00-00-2016

Program Area: Crop-Soil-Water Management

Commodity: Tomato, Diseases

Objectives:

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

Methodology:

Five multiple disease tolerant variety/lines with BARI Tomato 15 as a check were evaluated at the experimental field of Olericulture Division, HRC, BARI during the winter season of 2015-16 and compared to their yield and yield contributing characters in a RCB design with three replications. The seeds of five lines/varieties AVT01218, AVT01228, AVT01229, AVT01316, AVT01317 and BARI Tomato 15 were sown in the seedbed on October 18, 2015. Thirty days old seedlings were transplanted in the main plot. The plot sizes of 4.8 x 1 sq m providing a spacing of 60x40 cm were used. The crop was fertilized with cow dung 10 ton, N-253kg (urea- 550kg), P- 90kg (TSP-450kg), K-125 (MoP-250kg), S- 21kg (Gypsum-116kg), Zn-4.9kg (Zinc Sulphate-14kg) and B-2kg (12kg) per ha, 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. 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: Annual Research Report 2015 – 2016, Horticulture Research Centre, BARI, Joydebpur, Gazipur Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the plant growth habit, flowering, virus infection, high yielding, late blight infection and other quantitative traits, the line AVTO1229 with the other four lines may be selected for regional yield trial to develop a new variety(s) of tomato.

Knowledge Management: Report/Proceedings