ABSTRACT
This chapter contains information regarding grape fruit diseases and methods for their treatment. A grape is a botanically a berry fruit that belongs to the deciduous woody vines of the flowering plant genus Vitis. Grapes can be eaten fresh or they can be used for making wine, jam, juice, jelly, grape seed extract, raisins, vinegar, and grape seed oil. There are many factors that must be considered in selecting grape varieties. To the taxon, Alternaria belongs to numerous species of which A. alternate Keissler is most common on grapevine. A. alternata has been recorded causing leaf spot and other diseases on over 380 host species. The conidiophores of A. alternata produces pale to medium brown colonies in long and often branched chains. G. bidwelli affects grape varieties and cause a black rot disease in grapes. Armillaria root rot in grapes caused by the fungus Armillaria mellea infects vine roots, killing the cambium and decaying the underlying xylem.
