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Chemicals Used for Growth, Ripening and Storage of Lychee in Bangladesh

Luthfunnesa Bari
Department of Food Technology and Nutritional Science, Mawlana Bhashani Science and Technology University, SantoshTangail – 1902, Bangladesh

Beauty Akter*
Department of Food Technology and Nutritional Science, Mawlana Bhashani Science and Technology University, Santosh, Tangail – 1902, Bangladesh

SajibTalukder
Department of Food Technology and Nutritional Science, Mawlana Bhashani Science and Technology University, Santosh, Tangail – 1902, Bangladesh

Gowtom Kumer Shaha
Department of Food Technology and Nutritional Science, Mawlana Bhashani Science and Technology University, Santosh, Tangail – 1902, Bangladesh

Munira Khandakar Sadia
Department of Food Technology and Nutritional Science, Mawlana Bhashani Science and Technology University, Santosh, Tangail – 1902, Bangladesh

Abstract/ Executive Summary:

The study was conducted on the chemicals used in lychee of 6 different areas in Gazipur and Rajshahi regions. The selected areas are Fruit Research Station, Bangladesh Agriculture Research Institute, Binodpur, Rajshahi-6206; Horticulture Centre, Rajshahi Court, Rajshahi; Horticulture Development Centre, Bangladesh Agriculture Development Corporation, Noudapara, Rajshahi; Dactar Bari Nursery and Dillar Bari Nursery, Moytha Para, Pirojali, Gajipur Sadar, Gajipur. In these areas several chemicals used like Ripcord, Fighter 25 EC (Emulsifiable concentrate), Cymbush 250 EC (Emulsifiable concentrate), Malathion 85E (Emulsifiable), Tilt 250 EC (Emulsifiable concentrate), Regent 4 SC (Suspension concentrate), Torque, Cyper TC (Technical material) Insecticide, Sulphur and acids, or Combinations, Ethephon solution, Sulphur dioxide, Solution of Chitosan and L-glutamic acid in lychee during growth, ripening and storage period. These chemicals help to control pest, insect and unwanted weed production, by providing good environment during growth and ripening period. Chemicals which used for storage purpose stabilize the color, maintain the moisture content and improve the quality of fruits. Other chemicals like Flora, Emcogen powder, Prantivita, Vio-fata used as vitamin after flowering which helps to grow, mature the fruit also prevent from virus damage or insects. It was observed that 87.5% chemicals were permitted while 12.5% chemicals were non-permitted. Among them chemicals namely Benomyl, Okojen, Boron and Zinc, have not been recently used. Okojen contain higher amount of Urea that is harmful to environment. These prohibited chemicals have terrible effect in our body and environment.

Keywords: Lychee, Chemicals, Growth, Fruit, Insecticide

Location: Fruit Research Station, Bangladesh Agriculture Research Institute, Binodpur, Rajshahi-6206; Horticulture Centre, Rajshahi Court, Rajshahi; Horticulture Development Centre, Bangladesh Argiculture Development Corporation, Noudapara, Rajshahi; Dactar Bari Nursery and Dillar Bari Nursery, Moytha-Para, Pirojali, Gajipur-Sadar, Gajipur.

Start Date: 00-01-2015

End Date: 00-12-2015

Program Area: Postharvest and Agro-processing

Commodity: Fruit

Objectives:

Simple methods were done by the local lychee farmers to protect fruits from physical damage, insecticides during storage and transportation. Sorting and grading are carried out in shed to protect the fruits from elements. Bamboo basket, sacks are used as packaging material during handling or transportation.

Methodology:

Type of study An observational study was carried out in Rajshahi and Gajipur region of selected nursery and farms.

Selection of study areas We visited Rajshahi and Gajipur region for our experiment according to their location, large scale production and economic condition of the inhabitants, easy communication, availability of the samples, less transport cost and other relevant factors. The nursery and farms include Fruit Research Station, Bangladesh Agriculture Research Institute, Binodpur, Rajshahi-6206; Horticulture Centre, Rajshahi Court, Rajshahi; Horticulture Development Centre, Bangladesh Argiculture Development Corporation, Noudapara, Rajshahi; Dactar Bari Nursery and Dillar Bari Nursery, Moytha-Para, Pirojali, Gajipur-Sadar, Gajipur.

Basis for selection of study place Well communicated, give assurance from the authority for full co-operation and higher yield of lychee production area. Study period The survey was conducted from January 2015 to December 2015 in the selected nursery and farms both Rajshahi and Gazipur region. During this period data collection, data entry, data analysis and final report writing work completed. Development of questionnaire A standard enquires were prepared to get the relevant information about the study and 48 questions were included in questionnaire. The questionnaire was in English (Annexure) but conversation word was done in Bengali. Data verification Misinformation’s were thoroughly observed after entering all data into computers. The data was elicited if there was problem (suspicion input, false input).

Data analysis To analyze the collected data and the information, necessary statistical methods like tabulation was used. For analysis, visualization and meaning full information present MS Excel 2007 were used.

Source of Information: Annals. Food Science and Technology Volume 18, Issue 3, 2017

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Four maize varieties: D1Y (DMR-LSR-Y), An observational study was carried out to find chemicals used in lychee. Nowadays chemicals used in lychee to increase volume and red color. It is found that Fighter 25EC, Cyper TC and Ethephon solution was used higher amount in lychee during growth, ripening and storage period. Most of the chemicals used to grow fruit, improve the color and quality of lychee. They also helps to control pest, insects and prevent weed production. It was also found that 87.5% chemicals were permitted where 12.5% were non-permitted. Among them chemicals namely Benomyl, Okojen, Boron and Zinc, have not been recently used Okojen contain higher amount of Urea that is harmful to environment. Other chemicals like Flora, Emcogen powder, Pranti vita, Viofata used as vitamin after flowering which helps to grow, mature the fruit also prevent from virus damage or insects. Several nursery and farms used these non-permitted chemicals due to profit and higher yield. Some of them sprayed chemicals improperly due to lack of knowledge about the chemicals. Though these nursery and farms contact with the local agriculture officer but it is not always happening. These farmers used chemicals according to their own ways. This misuse practice of harmful chemicals is a great threat on the human health of our country. The current study was involves a small number of chemicals used in lychee. But it gives us a comprehensive picture to understand the extent and magnitude of the scenario so the government and other agencies can take necessary steps to prevent such types of chemicals used in lychee to safe guard public health.

Knowledge Management: Journal