Downy mildew symptoms: Downy mildew affects all green parts of the plants like leaves, shoots, and fruits. The symptoms are the discolored lesions of regular or irregular shape, that are initially yellow and later turn to brown and dry. The underside of the discoloration will have white cottony fungal growth.
Dr. Rajalakshmi D
Frost occurs when a surface in humid air is cooled to freezing temperature (below O° C) and below dew point (Dietenberger, 1982). Frost when formed on plants cause freezing injury due to ice formation. Frost, damages the plant cells when the ice crystals are formed inside the plant tissue (FAO,
Successful farming is possible with proper scientific intervention. The current blog explains us about the different phenological stages of grapevine for better understanding and to take informed farm decisions.
Know about the hailstorm and its impact on Grapevine.