Nasr-Eldin1 , M. A.; El-Dougdoug2, K. A.; Othman2, B. Ahmedi , Sabah A, and Abdcl-Azizl , S. Il.
...t-align: justify;">Three viroids: Citrus exocorlis viroid (CEVd), Hop stunt viroid (HSVd), and Potato spindle tuber viroid (PSTVd) can be detected in naturally infected grapevine by biological indexing and molecular methods. In the present study, direct tissue-printing and dot-blot on the membranes, procedures has been applied on a large scale for an initial screening of HSVd, CEVd and PSTVd in Egypt. The results showed that the tissue print assays allowed cle...