We all agree that classification and taxonomy of organisms are desirable and necessary in cases of biological work. But, there is much disagreement as to the best method of classifying and naming living things. The zoologists and the botanists have arranged matters in their fields fairly satisfactorily, largely on the …

There are 19 protected areas in Bangladesh, covering 2,458 sq. km and representing 1.68% of the land area (FD record as on July 2007).  The Forest Department has the mandate for the management of these protected areas.  The protected areas are declared in the country under the “Bangladesh Wildlife (Preservation) …

Author Citation Before starting the detailed discussion first I simply answer the first arising question what is author citation? In a sense of Botany, every living being has a unique botanical name by which it is recognized (i.e.Mango=Mangifera indica, Jackfruit=Artocarpus heterophyllus), if it does not have any then it will …

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 …

“Healthy citizens are the greatest asset any country can have.” Said late British prime minister Sir Winston Leonard Spencer Churchill. For maintaining good health, we require food. Thus, food ranks first among the basic necessity of life. Although food being produced to feed every individuals among all over the world. …

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 …

Equisetum: The Scouring Rushes Equisetum commonly known as ‘Horsetails’ or ‘Scouring rushes’. It comprises about 25 species and is worldwide in distribution. Except This genus in vascular plants, there is no living genus in Equisetaceae family that reproduces by spores rather than seeds. Taxonomic position: Division: Sphenophyta Class: Sphenopsida Order: …

Plant breeding is defined as identifying and selecting desirable traits in plants and combining this into one individual plant. Since 1900, Mendel’s laws of genetics provided the scientific basis for plant breeding. Selection is the most ancient and basic procedure in plant breeding. Selection procedures used in plant breeding have …

Plant improvement must have been started with the primitive man changing his mode of life from a nomad to an agriculturist. To have a crop in the next season, he had obtained seeds from the first crop. For this, unconsciously the process of selection is practiced for a long time …

The genes of nuclear chromosome have a significant and key role in the inheritance of almost all traits from generations to generations,but altogether they cannot be considered as the sole vehicle of inheritance because certain experimental evidences suggest the occurance of certain extranuclear genes or DNA molecules in the cytoplasm …