Posted inMicrobiology

The Cell Wall of Bacteria

Unlike in plant cells, the cell wall in prokaryotic bacteria is composed of peptidoglycan. This molecule is unique to bacterial cell wall composition. Peptidoglycan is a polymer composed of double-sugars…
Posted inMycology

श्वेत मशरूम

श्वेत मशरूम की आकृति बटन के समान होने के कारण इसको बटन मशरूम के नाम से जाना जाता है। यह मशरूम प्रारंभ में बटन के आकार के समान छोटे व…
Posted inMicrobiology

Simple and Differential Staining

 STAINING METHODS INTRODUCTION Staining is technique used in microscopy to enhance contrast in the microscopic image. Stains and dyes are frequently used in biological tissues for viewing, often with the…
Posted inPlant Pathology

Red Rot of Sugarcane

DISEASE:  Red Rot PATHOGEN: Colletotrichum falcatum  (Glomerella  tucumanensis) HOSTS:  Sugarcane Symptoms and Signs Red rot is usually considered as a stalk and a seed-piece disease. Leaf Symptoms •Tiny reddish lesions…
Posted inPlant Physiology

PLANT GRAVITROPISM

Gravitropism is an important plant growth response to the environment that directs shoots upward and roots downward. when a plant shoot is inclined horizontally, the primary inflorescence stem grows upwards against…
Posted inPteridophytes

Fossil Pteridophytes:Lepidocarpon

CLASSIFICATION- Class-Lycopsida Order-Lepidodenrales Family-Lepidocarpaceae Genus-Lepidocarpon Definition Lepidocaron are the fossilized seeds of the natural genus,lepidodendron found in the form of compresion. Importance of fossil in  understanding plant evolution-  Fossil provide…
Posted inCell Biology

Plant Cell Wall

A novelty song of more than 50 years ago listed food items the writer said he disliked.  Each verse ended with the line, “I like bananas because they have no…
Posted inPhycology

Phaeophyta

General characters Of Phaeophyta The colour of brown algae varies from olive green to a deep shade of brown due to presence of golden brown xanthophyll pigment fucoxanthin. This is…