Ajaydesouza Agriculturist

History of Seed Pathology  Seed pathology, coined in the 1940s by Mary Noble and Paul Neergaard, studies seed transmission, pathogenesis, and disease epidemiology • The first mention of plant parasitic microorganisms (nematodes) with seed was in the …

MAMP -Microbe associated molecular pattern / PAMP- Pathogen Associated molecular pattern By using pattern recognition receptors (PRRs) on the cell surface to identify and activate microbe-associated molecular patterns (MAMPs), plants are able to ident…

Classification of Fungi

RNA- interference RNAi in Eukaryotes • Sequence-specific recognition of mRNAs. • Represses expression through ribonuclease-directed degradation or translation prevention. ribonuclease-directed degradation- “ribonuclease-directed degradation ” refers…

XYLEM-INHABITING FASTIDIOUS BACTERIA Fastidious xylem-inhabiting bacteria are rod-shaped cells 0.2 to 0.5 micrometers in diameter by 1 to 4 micrometers in length , surrounded by a cell membrane and wall.  They lack flagella and are usually undul…

The book “ History of Plant Pathology ” by S. G. Borkar covers the development of plant pathology from ancient times to the present era in different regions of the world . It also discusses the historical epidemics and important plant diseases that h…

Bright field Microscope   https://www.slideshare.net/AjayDesouzaVincentPa/bright-field-microscope-pptx

STEM ROT OF RICE ( Sclerotium oryzae ) STEM ROT OF RICE ( Sclerotium oryzae )    STEM ROT OF RICE.pdf from AjayDesouzaVincentPa STEM ROT OF RICE - Sclerotium Oryzae Catte Magnaporthe salvinii (Teleomorph) INTRODUCTION             Cattaneo from Ital…