Plant Pathology Introduction
Importance of the Plant Diseases Globally, enormous losses of the crops are caused by the plant diseases. The loss can occur from the time of seed sowing in the …
Citrus Canker
Citrus canker is one of the most feared of citrus diseases, affecting all types of important citrus crops. The disease causes extensive damage to citrus and severity of this …
Dolipore septum
The transverse septa which divide both monokaryotic and dikaryotic hyphae into segments are incomplete; they contain a central pore which permits cytoplasmic continuity between adjacent segments. The septal pore …
Puccinia
Occurence: Puccinia includes about 700 species which are important as they cause rust dieseases of economically important crop plants such as wheat,barley, eats etc. The most important of all is …
Chara
Occurrence: Chara is a fresh water, green alga found submerged in shallow water ponds, tanks, lakes and slow running water. C. baltica is found growing is brackish water and …
Algae: Life cycles
Following types of life histories are found in algae: (a) Haplontic Monophasic: It is a primitive life cycle. In this case, vegetative plant body remains haploid. Gametes are produced …
Cyanophyceae
The Cyanophyceae or blue-green algae are, today, usually referred to as the cyanobacteria (bluegreen bacteria). The term cyanobacteria acknowledges that these prokaryotic algae are more closely related to the …
Algae Plastids
The basic type of plastid in the algae is a chloroplast, a plastid capable of photosynthesis. Chromoplast is synonymous with chloroplast; in the older literature a chloro plast that …
Algal Cell walls
In general, algal cell walls are made up of two components: (1) the fibrillar component, which forms the skeleton of the wall, and (2) the amorphous component, which forms …
Algae: Flagellation
The flagella of the green alga Chlamydomonas have been used as a model of flagellar structure. Flagella structure has been highly conserved throughout evolution, images from Chlamydomonas are virtually …