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.
Radishes are prone to seed rot or the collapse of seedlings when afflicted with damping off. Donât plant seeds in cold, moist soil and be sure the soil is well-draining. Septoria leaf spot â Septoria leaf spot is a fungal disease that often affects tomatoes but can afflict radishes too. This radish disease is appears as pale yellow, gray spots on foliage that look like water spots. The spots get a gray center and become more circular as the disease progresses.