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.
septoria leaf spot septoria leaf spot is a disease caused by the fungus septoria lycopersici according to iowa state university this is the most common foliar leaf disease in tomato plants small spots appear that initially look water soaked then develop gray and white centers with darker edges tiny black spots appear in the center of the spot as the disease matures lower leaves are infected first but the disease spreads to the top leaves over time this eventually causes defoliage of the plant