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 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 track on "Led Zeppelin II" (1969). "What is and What Should Never Be" was one of the first songs on which Page used his soon-to-become trademark Gibson Les Paul for recording. The production makes liberal use of stereo as the guitars pan back and forth between channels. Robert Plant's vocals were phased during the verses. Record producer Rick Rubin has remarked, "The