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Pre-harvest Factors Affecting Yield, Quality and Shelf Life of Mango Cv. Amropali

Sherajum Monira
Department of Horticulture, Faculty of Agriculture, Bangladesh Agricultural University,Mymensingh-2202, Bangladesh.

M. Abdur Rahim
Department of Horticulture, Faculty of Agriculture, Bangladesh Agricultural University,Mymensingh-2202, Bangladesh.

M. Ashraful Islam
Department of Horticulture, Faculty of Agriculture, Bangladesh Agricultural University,Mymensingh-2202, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted to investigate the effect of six pre-harvest treatments on yield, quality and shelf life of a particular Mango cv. Amropali under field condition. The experimental factors were Control, Decis and Savin @ 2 ml L^-1, Pheromone trap, Boron 2 mg L^-1 and Magic growth @ 2 ml L^-1. The plants were of age about 15 years at BAU Germplasm Centre- FTIP, Bangladesh Agricultural University (BAU), Mymensingh during January to July 2013. The experiment was laid out in a Randomized Completely Block Design (RCBD) with three replications. Amropali produced higher number of fruits plant-1 when treated with Boron @ 2 ml L-1 followed by Magic growth 2mlL^-1.Maximum number of fruits plant^-1, higher yield plant-1 and higher TSS% were recorded in the treatment Boron 2mlL^-1. Boron treatment also extended the shelf life of mango as well. The maximum shelf life was found from large sized fruits. Similar performance on yield, quality and shelf life were obtained from Magic growth treatment @ 2 ml L^-1 followed by pheromone trap treatment. Control treated fruits exhibited the minimum number of fruits per plant with lower quality but better TSS%. Smaller fruits were obtained from untreated control plants.

Keywords: Mango, Pheromone trap, Quality, TSS, Shelf life, Pre -harvest treatment

Location: Fruit Tree Improvement Program (FTIP) BAU Germplasm Centre.

Start Date: 00-01-2013

End Date: 00-05-2013

Program Area: Quality and Nutrition

Commodity: Mango

Objectives:

To find out the most important pre -harvest treatment to get the maximum fruit yield with better quality and shelf life of mango.

Methodology:

The main objective of the experimental study was to find out the most important pre -harvest treatment to get the maximum fruit yield with better quality and shelf life of mango. Experiment was carried out at the Fruit Tree Improvement Program (FTIP) BAU Germplasm Centre (GPC) during January to May, 2013. The area in under sub–tropical monsoon climate, which is characterized by high temperature and heavy rainfall during the months of April to September and scanty rainfall associated with moderately low temperature during the rest period of the year. The single factor experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Mango variety (Amropali) with pre-harvest treatments were used for this study. There were five treatments like control, chemical like Decis and Savin @ (2 ml L-1), Magic growth at 2 ml L–1, Pheromone trap and Boron (2 ml L^-1) were used for this study. Every chemical used as foliar spray eg. Decis (2 ml L^–1), Savin (2mlL^-1), Magic growth (2ml L^–1) and Boron (2 ml L^-1) dissolving in water and the supernatant used as the spray solution. The trees were treated by spray using a foot-pump sprayer. Sprays of each treatment were done at 15 days interval after flowering stage to harvest period. Another treatment of pheromone trap was used as sex trap to control fruit fly of mango. The fruits were harvested periodically at full maturity stage. Sixty mangoes from each plant were taken for further study of shelf life.Data collection was started from the first to final periodic harvesting. Fruits of selected plants of each replication were counted and then the average number of fruits for each plant was determined. Diseased and insect infested fruits were separated from the lot and fresh fruits were stored at room temperature for further study of quality and shelf life. Length and diameter of each fruits were measured by a slide calipers to determine the fruit size. Single fruit weight and total fruit weight of each at 2 days interval were recorded to report the shelf life. Total soluble solid (TSS) of 10 randomly selected fruits from each treatment was determined by a hand refractometer and the average was worked out.The recorded data on different parameters of the experiment was tabulated and analyzed using MSTAT statistical package. The treatment means were separated by least significant difference (LSD) test at the 1% and 5% levels of probability.

Source of Information: Res. Agric. Livest. Fish. ,Vol. 2, No. 2, August 2015: 279-286 (ISSN : P-2409-0603, E-2409-9325)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Amropali produced higher number of fruits plant-1 when treated with Boron @ 2 ml L^-1 followed by Magic growth 2mlL^-1.Maximum number of fruits plant^-1, higher yield plant-1 and higher TSS% were recorded in the treatment Boron 2mlL^-1. Boron treatment also extended the shelf life of mango as well. The maximum shelf life was found from large sized fruits. Similar performance on yield, quality and shelf life were obtained from Magic growth treatment @ 2 ml L^-1followed by pheromone trap treatment. Control treated fruits exhibited the minimum number of fruits per plant with lower quality but better TSS%. Smaller fruits were obtained from untreated control plants.

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