The volume of flame, however, is increased by inert gas, and there is a proportionate diminution of the heating effect. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 Various. Nitrogen by itself is an inert gas, colorless and uninflammable. Scientific American Supplement No. 819 Various.
Plants that have been damaged are particularly susceptible to being infected by tomato early blight alternaria. When a plant is infected with Alternaria Alternata, it will normally appear first on the lower leaves of the plant in the form of plant leaf spots that are either brown or black. These tomato leaf spots will eventually migrate to the stem and even the fruit of the tomato.
Blossom End Rot. A small, watery-looking spot on the blossom end of young tomato fruits may be blossom end rot. This black spot may remain small or it may enlarge to engulf as much as half the fruit. Blossom end rot does not spread from plant to plant and may not affect all tomatoes on the same plant.