Plant Care

PLANT PATHOLOGY INTRODUCTION: Plant pathology is a science which covers all the aspects related to diseased plants such as causal organisms, their life cycle, diagnosis, physiology, population dynamics and management.  Any abnormal functioning in the physiology of plants is designated as “disease”. This may be caused by biotic factors or “disorder” due to Abiotic factors. Generally these two words can be used alternatively. Biotic and Abiotic factors have been classified as follows: BIOTIC Prokaryotes Fungi Nematode Virus Viriods Mycoplasma ABIOTIC Temperature Light Nutritional deficiency pH extreme Mineral imbalance Wind Pollutants DISEASE OR DISORDER: All the biotic factors include microscopic and submicroscopic organisms. Followings are some terms related to study of microorganisms: PARASITES (BIOTROPHS): These are the microorganisms which take their nutrition from living organisms. PATHOGENS: These are the parasites ...