This is the second portion of the topic Photoperiodism. If you have somehow missed the first part, don’t worry! Here is the link- Photoperiodism: Flowering in plants (Part 1) The Pigment Reference: Fundamentals of Plant Physiology by Dr. V. K. Jain.

Probability means the possibility of a random phenomena.

“হাতিরঝিলে এক বেলা”   পলাশ Butea monosperma (L.)mak. শিমুল Bombax ceiba L. কাঠবাদাম Terminalia catappa L. হিজল Barringtonia acutangula (L.) Gaerth. রানীচূড়া Senna polyphylla (Jacq.) H.S.Irwin খেজুর Phoenix sylvestris Roxb. বাগানবিলাস Bougainvillea spectabilis Willd. শ্বেতশিমুল Ceiba pentandra (L.) Gaertn. কামিনী Murraya paniculata (L.) Jack শ্বেত রক্তকাঞ্চন bauhinia variegata var. candida দেবকাঞ্চন …

Algae is an extremely diverse group of organisms that make up the lower phylogenetic echelons of the plant kingdom. A precise definition of this group is elusive and they share many obvious characteristics with higher land plants, whereas their distinguishing features from other plant groups are varied and more subtle …

Metabolites are substances that help in metabolism. Some substances help in metabolism, but when they are produced in excess amounts, they remain outside the cell. Many algae produce extracellular metabolites such as lipids, glycolates, proteins, amino acids, vitamins, phenolic compounds, and organic acids.    

The secondary xylem which is formed after secondary growth of woody dicotyledons is called wood. However, all secondary xylem is not wood, e.g., secondary xylem formed after secondary growth in herbaceous dicots. On the other hand, in the Conifers group of Gymnosperm, the secondary xylem developed after secondary growth is …

Lower Fungi Higher Fungi

ENDANGERED & THREATENED PLANTS OF BANGLADESH A plant which is found exclusively in a particular geographical region are known as endemic plant of that particular region. Endemic plants of Bangladesh To evaluate endemism within the political boundary of Bangladesh, one may need to have a clear idea on the geographical …

Lycophyta is a division of the plant kingdom that includes club mosses, spike mosses, and quillworts. These fascinating plants have a rich history, dating back over 300 million years to the early days of the terrestrial environment. Despite their ancient origins, lycophytes have a unique and important place in the …