4 Terms
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Plant pathology
The scientific study of plant diseases, their treatment and prevention.
Industry: Plants
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Plant pathology
acid rain
Plants; Plant pathology
Precipitation with a low pH, due to the presence of nitric and sulfuric acid formed by the combination of air pollutants (N0x and S02) with water.
polyprotein
Plants; Plant pathology
A protein translated from an entire viral genome which is then cleaved by proteases (protein-degrading enzymes) into the active protein products.
lignin
Plants; Plant pathology
Complex organic substance or group of substances that impregnate the cell walls of xylem vessels and certain other plant cells; constitutes wood.
chlorosis
Plants; Plant pathology
Failure of chlorophyll development, caused by disease or a nutritional disturbance; fading of green plant color to light green, yellow, or white.
collar
Plants; Plant pathology
The portion of the seedling or plant near the surface of the soil; in grafted woody plants, the scion portion of the plant near the soil surface.
disease triangle
Plants; Plant pathology
A memory aid that diagrams the three important components necessary for disease: susceptible plant, virulent pathogen and favorable environment.
summerwood
Plants; Plant pathology
Part of the yearly xylem growth ring in woody plants formed late in the growing season and consisting of cells smaller than those of springwood.
