REACTIVITY OF SOME HAWAIIAN BANANA BUNCHY TOP DISEASED SAMPLES USING DAS-ELISA AND A DIGOXIGENIN LABELLED DNA PROBE

Document Type : Original Article

Authors

1 Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt

2 University of Hawaii, Manoa, Plant Viral Lab., USA.

Abstract

Some Hawaiian bananas infected with BBTD gave a positive reaction using DAS-ELISA and Dot-Blot, a digoxigenin-labeled DNA probe. However, DAS-ELISA was more sensitive with diluted crude sap than the digoxigenin-labeled DNA probe (Dot-Blot), but both assays were similar at a 1/5 dilution of infected banana sap in all cases. Therefore, a digoxigenin-labeled DNA probe could be used alongside DAS-ELISA for routine diagnosis of BBTV in suspicious banana tissue for phytosanitary purposes.

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