Edit. After Black September's assassination of Israeli athletes at the Munich Olympics in 1972, Prime Minister Golda Meir okays a black-box operation to hunt down and kill all involved.
Yellow pollen is produced by evergreen trees, primarily pine trees, including spruce, true cedar trees, fir trees, larch and hemlock. Although yellow pollen looks like it could cause an allergic reaction, in reality it does not trigger allergy symptoms at all. It can stain the skin and clothing, however.
Disease. Yellowing leaves on orange trees are often the result of a disease, most often a fungal disease â such as Phytophthora gummosis (foot rot), Phytophthora root rot (caused by the same fungus as gummosis), and Armillaria root rot (oak root fungus).y Amy Grant. Oh no, my orange tree leaves are turning yellow! If you are mentally screaming this as you watch your orange treeâs health ebb, fear not, there are a multitude of reasons why orange trees leaves turn yellow, and many of them are treatable.