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.
When tomato plants leaves turn yellow, it could be from a fungus or bacterial problem, like Alternaria alternata or other tomato diseases. If disease is the case, you will want to treat this accordingly. Sometimes yellow leaves on tomato plants mean that there is a pest problem that needs to be handled.efore you go making any adjustments, however, you should check the soil around your plants if your tomato plants leaves turn yellow. If the soil isnât wet enough, you might just be under watering the tomato plants. Yellow tomato leaves could be a sign of lack of water.