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Yield and Quality of Tomato as Influenced by Boron and Zinc Under BARI Farm Joydebpur Conditions

Mr. Md. Abdus Salam
Ph D Fellow
Department of Horticulture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

The experiment indicate that 2 kg B/ha was higher levels of TSS (5%), ascorbic acid (10.65 mg/100g) and lycopene (69 µg/100g) contents and increased shelf life (15 days). But later experiments showed that, application of 2.5 kg B and 6 kg Zn/ha in combination gave the highest yield and quality of tomato. The highest yield (93.75 t/ha), TSS(4.70%), ascorbic acid (11mg/100g) and lycopene (122 µg/100g) contents, and shelf life (18 days) were noted with 2.5 kg B and 6 kg Zn /ha. On the other hand, application of 2.5 kg B and 6 kg Zn/ha in combination with 100% recommended dose of NPK fertilizers demonstrated even higher yield (95.49 t/ha) and high levels of TSS (4.50%), ascorbic acid (10.95 mg/100g), lycopene (112 µg/100g) and shelf life (16 days). The combination of 2.5 kg B and 6 kg Zn/ha and 20 t cowdung /ha significantly increased the yield attributes, yield and quality of tomato. Further study demonstrated that the application of 2.5 kg B and 6 kg Zn/ha resulted in the highest yield and quality attributes, irrespective of varieties. The hybrid receiving 2.5 kg B and 6 kg Zn/ha gave the highest yield of tomato (101.34 t/ha), but the highest TSS (4.40%), acidity (0.34%), ascorbic acid (11.26 mg/100g) and lycopene content (140 µg/100g) were recorded from the variety BARI Tomato-14 with 2.5 kg B and 6 kg Zn/ha. On the other hand, the highest shelf life (15 days) was recorded from the variety BARI Tomato-9 receiving the stated dose of B and Zn. Economic returns, in respect of net return and BCR, suggested that the application of 2.5 kg B and 6 kg Zn/ha was the most profitable, irrespective of varieties. The highest net return (Tk 2,05,380/ha) and BCR (1.68) were recorded from the hybrid produced with 2.5 kg B and 6 kg Zn /ha. It is concluded that, high yield and good quality tomatoes can be obtained with the application of 2.5 kg B and 6 kg Zn/ha, in addition to 20 t/ha cowdung and 253 kg N, 203 kg P, and 151 kg K/ha (550 kg Urea, 450 kg TSP, and 250 kg MP/ha) under BARI farm conditions, Joydebpur.

Keywords: Yield, Boron, Zinc, Shelf life, Tomato

Location: Gazipur

Start Date: 00-00-2005

End Date: 00-00-2008

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

1. To examine the Yield and Quality of Tomato as Influenced by Boron and Zinc Under BARI Farm Joydebpur Conditions.

2. To investigate the effects of B and Zn on the yield and quality of tomato with a view to improving the micronutrient management practices for the crop.

Methodology:

The study was conducted at the Horticulture Research Centre of the Bangladesh Agricultural Research Institute, Joydebpur, Gazipur during 2005-2008 in order to investigate the effects of B and Zn on the yield and quality of tomato with a view to improving the micronutrient management practices for the crop. The tomato variety BARI Tomato-9 was used for all the experiments, while BARI Tomato-14 and a hybrid (GT016XGT017) were also used for one of the experiments. In two different experiments with varied levels of B and Zn, 2 kg B/ha and 6 kg Zn/ha were found the best. Higher doses of B and Zn resulted negative effect on the yield components, yield and quality of tomato.

Source of Information: Ph D Thesis of Mr. Md. Abdus Salam, Roll & Reg. No.: 05 (Session-2004-2005); 14852 (1986-1987),Department of Horticulture , Year 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

High yield and good quality tomatoes can be obtained with the application of 2.5 kg B and 6 kg Zn/ha, in addition to 20 t/ha cowdung and 253 kg N, 203 kg P, and 151 kg K/ha (550 kg urea, 450 kg TSP, and 250 kg MP/ha) under BARI farm conditions, Joydebpur.

Knowledge Management: Journal, Thesis