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Effects of Foliar Application of Zinc and Boron on Growth and Yield of Summer Tomato

M. R. Ali
Scientific Officer
Olericulture Division, HRC, BARI, Gazipur, Dhaka, Bangladesh

H. Mehraj
The United Graduate Sc hool of Agricultural Sciences, Ehime University, Ehime, Japan

A. F. M. Jamal Uddin
Dep t. of Horticulture, Sher - e - Bangla Agricultural University, Dhaka - 1207, Bangladesh

Abstract/ Executive Summary:

To increase the yield of BARI hybrid tomato 4, cultivated in summer season of Bangladesh, foliar application of zinc and boron [T₀: control; T₁: 25-ppm ZnSO₄(Zinc Sulphate); T₂: 25-ppm H₃BO₃ (Boric Acid) and T₃: 12.5-ppm ZnSO₄ + 12.5-ppm H₃BO₃] was done. Maximum plant height (106.9 cm), number of leaves (68.9/plant), leaf area (48.2 cm₂), number of branches (11.9/plant), number of clusters (21.6/plant), number of fruits (1.8/clusters and 33.6/plant), fruit length (5.3 cm), fruit diameter (5.1 cm), single fruit weight (60.4 g) and yield (1.9 kg/plant, 25.7 kg/plot and 58.3 t/ha) were found from foliar application of 12.5-ppm ZnSO₄ + 12.5-ppm H₃BO₃ while minimum from control. Early flowering (49.3 days) and minimum diseased infested plant (9.4%) were also found from foliar application of 12.5-ppm ZnSO₄ + 12.5-ppm H₃BO₃.Combined foliar application of zinc and boron was more effective than the individual application of zinc or boron on growth and yield for summer season tomato (BARI hybrid tomato 4).

Keywords: Hybrid, Tomato, zinc, Boron, Summer tomato

Location: Olericulture Research field, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Bangladesh

Start Date: 00-05-2014

End Date: 00-09-2014

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer, Tomato

Objectives:

To evaluate the effect of foliar application of zinc and boron on tomato growth and yield of tomato cultivated at summer season in Bangladesh.

Methodology:

Experiment was conducted at Olericulture Research field, Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Bangladesh from May to September 2014 following completely randomized complete block design using three replications. Seeds were sown on the seedbed in 15^th May and seedlings were transplanted into the main field on 16^th June, 2014. BARI hybrid tomato 4 was used in the experiment. Three foliar sprays with control viz. T₀: control; T₁: 25 - ppm ZnSO₄ (Zinc Sulphate); T₂: 25 - ppm H₃BO₃ (Boric Acid) and T₃: 1 2.5 - ppm ZnSO₄ + 1 2.5 - ppm H₃BO₃ were used in the experiment . Each treatment was applied two times firstly at 15 days after transplanting (DAT) and secondly at 45 DAT. The unit plot size was 2.4 m x 1. 6 m. The plant spacing was 40 cm in rows of 60 cm plant. Each plot contains 16 plants. Cowdung (10 t/ha), urea (300 kg/ha), TSP (200 kg/ha) and MP (210 kg/ha) were applied ( BARI, 2011 ). The entire amount of organic manure, TSP and half of the MP were applied during final land preparation. The remaining half of MP and entire urea applied in two equal installments, 1^st at 15 days after planting and 2^nd at flowering. Data were collected on plant height, number of leaves, leaf area, number of branches, number of clusters, days to first flowering, number of fruits, fruit length, fruit diameter, single fruit weight, yield and percentage of disease infected plants. Collected data were statistically analyzed using MSTAT - C program, mean was calculated and analysis of variance for each of treatment was represented by F-test. Differences between treatments were evaluated by Least Significance Difference (LSD) test at 5% level of significance ( Gomez and Gomez, 1984 ).

Source of Information: Journal of Bioscience and Agriculture Research, Vol. 06, Issue 01(2015): 512-517

Article Link (Online Journal): http://www.journalbinet.com/uploads/2/1/0/0/21005390/effects_of_foliar_application_of_zinc_and_boron_on_growth_and_yield_of_summer_tomato.pdf

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was apparent that combined foliar application of boron and zinc micronutrients enhanced plant growth characteristics (plant height, number of leaves, leaf area, number of branches, number of clusters), reduce crop duration & percentage of disease infected plants and also gave highest result for yield characteristics (number of fruits, fruit length, fruit diameter, single fruit weight, yield) in BARI hybrid tomato 4. So foliar application of zinc with boron may increase yield of BARI hybrid tomato 4 in summer.

Knowledge Management: Journal