Celery mosaic virus that the crops are harvested quickly after infection. Celery is the most common host of this virus. As the name implies, this virus causes a mosaic or mottling in the leaves of celery. There can also be malformation of leaflets. In older leaves, chorotic/necrotic spots may occur and the plants can be stunted. (see symptoms description) Viral Inclusions of Celery mosaic virus. In addition to celery, this virus has been identified in other important crops in the " Apiaceae " including carrots ("Daucus carota"), coriander ("Coriandrum sativum"), parsley ("Petroselinum crispum"), parsnip ("Pastinaca sativa"), and dill ("Anethum graveolens"). It has also
What Is and What Should Never Be and What Should Never Be" was performed live at Led Zeppelin concerts between 1969 and 1973. A live version taken from a performance at the Royal Albert Hall in 1970 can be seen on the "Led Zeppelin DVD". Another was included on disc two of the live triple album "How The West Was Won". Two more versions were included in BBC Sessions. What Is and What Should Never Be "What Is and What Should Never Be" is a song by English rock band Led Zeppelin. It was written by Jimmy Page and Robert Plant and was included as the second