Disease. Several different plant diseases lead to various parts of plants turning yellow, most commonly the leaves. Viral diseases such as yellow mosaic cause plant leaves or flowers to turn yellow. Some fungal diseases may also cause yellowing. Rust, for instance, might cause yellow powder to form on the leaves.isease. Several different plant diseases lead to various parts of plants turning yellow, most commonly the leaves. Viral diseases such as yellow mosaic cause plant leaves or flowers to turn yellow. Some fungal diseases may also cause yellowing. Rust, for instance, might cause yellow powder to form on the leaves.
â¢ PLOW (verb) The verb PLOW has 3 senses: 1. to break and turn over earth especially with a plow. 2. deal with verbally or in some form of artistic expression. 3. move in a way resembling that of a plow cutting into or going through the soil. Familiarity information: PLOW used as a verb is uncommon.
yew. 1  any of a genus (Taxus) of evergreen shrubs and trees of the yew family, having red, cuplike, waxy cones containing a single seed, broad, flattened leaves that are needles, and fine-grained, elastic wood. 2  the wood, used esp. for making archers' bows. 3  Archaic an archer's bow of yew.