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Response of Quality Attributes of Litchi to Foliar Application of Zinc and Boron (2018-2019)

M. A. Rahman
Fruit Research Station (FRS), BARI, Binodpur, Rajshahi

M. A. Uddin
Fruit Research Station (FRS), BARI, Binodpur, Rajshahi

G. M. M. Bari
Fruit Research Station (FRS), BARI, Binodpur, Rajshahi

Abstract/ Executive Summary:

An experiment was conducted at the Fruit Research Station (FRS), BARI, Binodpur, Rajshahi during the season of 2018-2019 to develop combined fertilizer application method for efficient use of fertilizer to increase the yield and quality of BARI Litchi-1. There were seven treatment combinations viz. T₁ = Control, T₂ = Zinc @ 0.11%, T₃ = Zinc @ 0.22%, T₄ = Zinc @ 0.33%, T₅ = Boron 0. 02%, T₆ = Boron 0.04% and T₇ = Boron 0.06%. The highest fruit yield (10.28t/ha) and nutritionally improved quality litchi were recorded in T₇ followed by T₄. In T₇ treatment, shelf life, Ascorbic acid, Protein, CHO, TSS and Total sugar were increased over control treatment by 40.84%, 65.11%, 76.90%, 14.65%, 34.08% and 75.66%, respectively.

Keywords: Litchi, Litchi cultivation, Fruit, Fertilizers, BARI Litchu-1

Location: Fruit Research Station (FRS), BARI, Binodpur, Rajshahi, Bangladesh

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Litchi, Fertilizer

Objectives:

To develop combined fertilizer application method for efficient use of fertilizer.

Methodology:

The experiment was conducted at the Fruit Research Station (FRS), BARI, Binodpur, Rajshahi during 2018-2019 to develop combined fertilizer application method for efficient use of fertilizer. The crop was litchi and variety was BARI Litchu-1. There were seven treatment combinations viz. T₁ = Control, T₂ = Zinc @ 0.11%, T₃ = Zinc @ 0.22%, T₄ = Zinc @ 0.33%, T₅ = Boron 0. 02%, T₆ = Boron 0.04% and T₇ = Boron 0.06%. The experiment was conducted in a randomized complete block design with three replications. Experiment was started at November 2018. A litchi tree was treated as a unit replication. Two times weeding and necessary plant protection measures were taken. Total fruit no., individual fruit weight(g), yield(t/ha), percentage of flesh and seed weight of fruits, seed no./fruit, TSS(%), specific gravity(g/cc), total analysis of fruit for nutritional facts (sugar, acid, reducing sugar, total sugar, ascorbic acid, protein, etc.) for each treatment, pre and post analysis of soil, shelf life (days after harvest), fruit dimensions (length, diameter, size), seed index, etc. for each treatment were recorded. Data on yield and yield contributing characters were recorded and analyzed statistically using open source software R program (version 3.5.2).

Source of Information: Annual Research Report 2018-2019, Fruit Research Farm of HRC, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In T₇ treatment, shelf life, Ascorbic acid, Protein, CHO, TSS and Total sugar were increased by 40.84%, 65.11%, 76.90%, 14.65%, 34.08% and 75.66%, respectively over control treatment. BARI Litchu-1 should be treated with T₇ = Boron 0.06% and/or T₄ = Zinc @ 0.33% as foliar application method along with recommended dose of fertilizer in the litchi growing areas of Bangladesh. If the farmers adopt the use of this dose as foliar application then they will get a handsome level (7.00) of BCR. But this is the 1^st year of the experiment. It should be trialed for more 2-3 years for final recommendation.

Knowledge Management: Report/Proceedings