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Performance of Tomato Varieties Grafted with Eggplant Under Rain Shelter Condition

S. Biswas
Supreme Seed Company Ltd, Dhaka-1230, Bangladesh.

K.T.Akter
Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh-2202, Bangladesh.

A. Rakib
Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh-2202, Bangladesh.

M.S.R.Rhanom
Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh-2202, Bangladesh.

M.M. Rahman
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur-1706, Bangladesh.

S. Ahmed
Krishi Gobeshona Foundation (KGF), BARC Complex, Farmgate, Dhaka-1215, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at the experimental field of Bangladesh Agricultural Research Institute (BARI), Gazipur during 2^nd June 2013 to 1^st September 2013 to develop a new grafting technique and rootstock EG03 and to increase tomato production during the hot humid season in the country. Two varieties of tomato viz. BARI hybrid tomato-4 (V₁) and BARI hybrid tomato-8 (V₂) were grafted with EG203 (R) along with control (non grafted) (R₀) in S=Rain Shelter and S₀ = Open condition (control). Results revealed that tomato yield improved when grafted with EG203 under rain shelter. Both BARI hybrid tomato-8 (32.29 t/ha^-1) and BARI hybrid tomato-4 (30.93 t ha^-1) grafted on EG203 obtained higher yield and earliness compared to other treatments under rain-shelter conditions. But lower results were obtained when BARI hybrid tomato-8 (6.8 t/ha-1) and BARI hybrid tomato-4 (5.36 t/ha) grown under open field condition without grafting. There was a significant difference in percent bacterial wilt among the combination. The highest bacterial wilt was recorded in a combination with non-grafted BARI hybrid tomato-4 + Open condition (46.00%). These results revealed in open field conditions non-grafted plant was more susceptible than a grafted plant grown under shelter. In case of both varieties grafting and rain-shelter combinations showed better performance than other treatment combinations.

Keywords: Tomato, Grafting, Eggplant, Open field, Rain shelter

Location: Bangladesh Agricultural Research Institute (BARI), Gazipur.

Start Date: 00-06-2013

End Date: 00-09-2013

Program Area: Variety and Species

Commodity: Eggplant, Grafting, Tomato

Objectives:

To evaluate the performance of tomato varieties grafted with eggplant under open field and rain shelter conditions.

Methodology:

The experiment was carried out at the Experimental Field of Bangladesh Agricultural Research Institute (BARI), Gazipur during 2^nd June 2013 to 1^st September. The experiment was conducted following a Split plot design with scion × Rootstock as the main plot factor and rain shelter as subplot factor with 4 replications of eight treatments where plot size was 4.8m × 2.3m and Spacing was 0.6m × 0.4m. There were 48 plants per plot. BARI hybrid tomato-4 (V₁) and BARI hybrid tomato-8 (V₂) were used as the scion, R= EG203 (grafted) and R₀ = Control (Non-graft) were used as a rootstock in Factor A and S=Rain Shelter S₀=Open condition in case of Factor B in this experiment. Seeds of rootstock (EG203) were sown directly in a small plastic cup. Tomato seeds for scion were sown in a plastic tray, 7 days after sowing of rootstock seeds. At the stage of 2-3 leaves of seedling and their stem diameter were 1.6–1.8 mm at the point of excision grafting was done. . The rootstock and tomato scion were cut above the cotyledons or first true leaf at 70 - 80⁰ angle. To graft, the cut angles of the tube scion and rootstock a latex tube of an inner diameter of 2.0 mm was cut into 10 mm length & at an angle of 70 – 80⁰. Grafted seedling transplanted after hardening. Data of days to first flowering, 50% flowering, plant height, primary braches per plant, flowers per cluster, fruits per cluster, flower clusters per plant, fruit set (%), Soil plant analysis development value (SPAD): fruit weight (g), yield per plant (g), yield (t/ha), % bacterial wilt infestation. The value of fruit set (%) was calculated by the formula. % = Total number of fruits of l^st five clusters of selected plants/Total number of flowers of l^st five cluster of selected plants 100; SPAD value at Vegetative stage, at flowering stage and at fruiting stage were taken and at the time of taking data 3 types of leaves (older leaf, middle leaf, and tender leaf) were used at every stage. Data of yield was collected during harvest and disease infestation was collected on a regular basis. Data were evaluated by analysis of variance, and means were compared by the method of Duncan, using a significance level of 5 % (GOMEZ and GOMEZ 1984).

Source of Information: International Journal of Natural and Social Sciences, 2019, 6(2):63-70

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The BARI hybrid tomato 8 showed better performances when grafted on EG 203 compared to BARI hybrid tomato 4 and grafted tomato plants perform better under rain shelter than open field condition, in respect of bacterial wilt percentage, individual fruit weight, fruit yield per plant, and fruit yield per hectare.

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