top of page

Latest Research Articles

Tea-in-plain.jpg

Biochemical and quality parameters of BTRI released tea clones

The quantity of antioxidant, flavanols, flavonoids, polyphenols, and catechins biochemical compounds varies among the clones and varieties. Biochemical parameters of green leaves and made tea were analyzed with standard methods using UV-visible spectrophotometer.

Tea-in-plain.jpg

Comparative studies on the performances of some plant cakes and synthetic chemicals against nematodes in tea in Bangladesh

A comparative study was undertaken to evaluate the performances of plant cakes and synthetic chemicals against nematodes infesting tea at Bangladesh Tea Research Institute (BTRI) during March 2012 to June 2012.

Tea-in-plain.jpg

Determination of residue level of endosulfan in black tea in Bangladesh

The study was conducted at Bangladesh Tea Research Institute (BTRI), Srimangal, Moulvibazar, Bangladesh during 2007-08 in both dry and wet season on the mature tea to determine the residue level of Endosulfan (Thiodan 35EC) in black tea at different plucking intervals after spraying and their degradation rate in order to fix the plucking interval to keep the residue level at Maximum Residue Limit (MRL) or below.

Tea-in-plain.jpg

Determination of residues of two organophosphates and their dissipation pattern by QuEChERS method

An experiment was carried out at the main farm of Bangladesh Tea Research Institute (BTRI) to find the residue levels of commonly used two organophosphate insecticides, namely chlorpyrifos and quinalphos in green leaf and black tea, at various plucking intervals after spraying during 2017-2018.

Tea-in-plain.jpg

Development of integrated pest management strategy for tea mosquito bug (Helopeltis theivora Waterhouse) in Bangladesh

Tea is a perennial crop and grown as a monoculture on large contiguous areas. Tea plant is subjected to the
attack of several pests such as insects, mites and nematodes. Tea mosquito bug (Helopeltis theivora W.) is
one of the serious insect pests of tea in Bangladesh.

Tea-in-plain.jpg

Development of tea science and tea industry in Bangladesh and advances of plant extracts in tea pest management

Tea is a popular beverage made from the leaves of evergreen shrub Camellia sinensis, family Theaceae. It is an important cash crop as well as exportable commodity in Bangladesh. Tea produced in Bangladesh is exported in the tune of 5 million kg of made tea per annum meeting the internal domestic demand.

Tea-in-plain.jpg

Diversity of insect, mite and nematode species in tea ecosystem of Bangladesh

The study was undertaken on insect, mite and nematode species diversity in Bangladesh Tea Research Institute (BTRI) main farm, Baraoora and Phulcherra tea estates in Sreemangal, Bangladesh from the period of 2014 to 2015.

Tea-in-plain.jpg

Evaluation of some indigenous plant extracts against red spider mite, Oligonychus coffeae Nietner (Acari: Tetranychydae) in tea

An experiment was conducted to evaluate the toxicity of some locally available indigenous plants such as Bishkatali (Polygonum hydropiper), Burweed (Xanthium strumarium), Datura (Datura metel), Lantana (Lantana camara), Mahogani (Swietenia mahagoni) and Neem (Azadirachta indica) at 2.5, 5.0 and 10.0%(w/v) concentrations against red spider mite, Oligonychus coffeae under both laboratory and field conditions at Bangladesh Tea Research Institute, Srimangal, Moulvibazar during 2012–2013.

Tea-in-plain.jpg

Evaluation of some plant origin commercial biopesticides against red spider mite, Oligonychus coffeae Nietner (Acarina: Tetranychydae) in Tea

An experiment was conducted to evaluate some plant origin commercial biopesticides against red spider mite in tea under both in the Entomology Laboratory and main farm of Bangladesh Tea Research Institute (BTRI), Srimangal, Moulvibazar during the period from March 2013 to December 2014.

Tea-in-plain.jpg

Field performance and economic analysis of some commonly used insecticides against Tea mosquito bug, Helopeltis Theivora W.

A study was undertaken to evaluate the field performance and economic analysis of some commonly used insecticides against Tea mosquito bug, Helopeltis theivora Waterhouse at Bangladesh Tea Research Institute (BTRI), Srimangal, Moulvibazar.

Tea-in-plain.jpg

Impact of the mosquito bug (Helopeltis theivora) infestation on the quality of tea (Camellia sinensis)

The influence of tea mosquito bug (Helopeltis theivora) infestation on the physiological and biochemical changes in tea leaves as well as quality parameters of the made tea was investigated.

Tea-in-plain.jpg

Influence of weather parameters on red spider mite-a major pest of tea in Bangladesh

An investigation was carried out at the main farm of Bangladesh Tea Research Institute (BTRI), Srimangal, Moulvibazar, Bangladesh during 2005-2009 to find out the influence of weather parameters on the infestation of red spider mite in Bangladesh tea.

bottom of page