Article author: Shawon Gosh Payell Synchytrium endobioticum is one of the chytrid fungi which causes black scab or the wart disease of potato. Though potato is the only cultivated host but Some other plants of the genus Solanum are also infected by it. According to Karling (1964), it has a …

Aquatic plants are species that perpetuate their life cycle in still or flowing water, or on inundated or non-inundated hydric soils. Aquatic angiosperms inhabit oceans, lakes, rivers, end wetlands. The transition to an aquatic life has been achieved by only 2% of the approximately 350,000 angiosperm species (Cook 1990). Bangladesh …

Fibre may be defined generally as a strand that is very long in comparison to its width. Or, it is a special type of elongated cells with thick walls corresponding to small cavities with pointed ends. • The walls of the fibre contains lignin and cellulose. • They may occur …

Gymnosperms are seed producing plants that do not produce any covering surrounding the seed i.e. the seed remains naked. The word ‘Gymnosperm’ originates from Gk. ‘gymnos’ meaning ‘naked’ and Gk. ‘sperma’ meaning ‘seeds’. A Greek botanist named Theophrastus first used the term ‘Gymnosperm’ in 300 BC in his book ‘Enquiry …

Study of chromosome structure is very important in cytotaxonomic studies. It includes chromosome size, shape and position of centromere (i.e. arm-length ratio of each chromosome in the genome) Chromosomal size and shape are also important as taxonomic criteria in taxonomy. For examples, The chromosomal ratio if Mediola and Trillium of …

Taxonomy – is the branch of biology that deals with identification, nomenclature and classification of an object. Cytology – is the branch of biology that deals with origin, structure and function of cell. So Cytotaxonomy presumably means the application of cytological data to taxonomy. More precisely we can say Cytotaxonomy …

প্রথমেই ক্ষমা চেয়ে নিচ্ছি আমার সেই সব জুনিয়র এর কাছে যারা কিনা আমাকে প্রায়ই নক দেয় এবং অনেক সময় হয়তো আমার পক্ষে ধৈর্য রেখে সবার প্রশ্নের উত্তর দেয়া সম্ভব হয় না। একে আমি নিজে introvert, নতুন মানুষের সাথে অনেক ক্ষণ কথা বলা এমনিতেই একটু কষ্টকর, তার উপরে বাবা মা সবাইকে …

Plants are the vital element of Environment. Like men and animals, plants are  not free from disease. As they have diverse and significant  rules in our existence in this earth, scientists are concerned about them specialy at their danger. So, to keep plants free from pathogens or diseases the word …

  WHAT IS EXTREME ENVIRONMENT? An extreme environment exhibits conditions which are challenging for most life forms. These may be extremely high or low ranges of temperature, radiation, pressure, acidity, alkalinity, air, water, salt, sugar, carbon dioxide, sulphur, petroleum and many others. An extreme environment is one place where humans …

Abstract: The use of liquid fossil fuel has long being considered insufficient and surely the liquid fossil fuel will be diminished by the middle of this century. Besides fossil fuel is closely related to environmental degradation and green house emission. On the other hand, biofuel has been a great renewable …