The disease is also called texas mosaic because it was first discovered in that state in 1931. · peach mosaic disease was first described in the usa in the early 1930s (hutchins, 1932) and was later shown to be transmitted by an eriophyid mite (keifer & wilson, 1955), but the causal agent remained elusive for a long period. · peach mosaic virus affects both peaches and plums. Notably, we identified peach latent mosaic viroid and cherry green ring mottle virus in bulgarian peach orchards for the first time. Chlorotic spots, distortion and stunting. Delayed leaf growth occurs; There are two ways the plant can become infected and two types of this disease. · this virus spreads via grafting or when affected mites pass the disease to your peach tree. This virus causes pear ring pattern mosaic, and has been found in all pome and stone fruit species. Small, deformed leaves are folded, exhibit a narrow profile, and have a mottled-yellow coloring with a mosaic pattern. When the disease was first discovered, a 5-year period of tree removal commenced in southern california, where over 200,000 trees were destroyed. Of the types of peach trees , the freestone cultivars are the most damaged, while clingstone types seem to be slightly resistant to mosaic virus of peach. Rna sequencing of symptomatic leaf samples revealed the presence of common peach viruses , such as plum pox virus and prunus necrotic ringspot virus. Leaf symptoms include: · viruses and viroids of peach trees. Both cause significant crop loss and plant vigor.
