Research Article

Development of SCAR Primers for PCR Assay to Detect Diplodia seriata

Table 3

Detection of Diplodia seriata in wood chips.

Wood chipsPurified DNA2 days of incubation
DS3.8 S3-DS3.8 R6DS3.8 S3-DS3.8 R4MEWater
DS3.8 S3-DS3.8 R6DS3.8 S3-DS3.8 R4DS3.8 S3-DS3.8 R6DS3.8 S3-DS3.8 R4

Inoculated vinesY103-4-2a-1++++
Y103-4-2a-2++
Y103-4-2a-3++++
Y103-4-2a-4++++
Y207-1-1c-1++
Y207-1-1c-2++++++
Y207-1-1c-3++++++
Y207-1-1c-4++++
PDA-1
PDA-2
PDA-3
PDA-4

Successful reaction 100%100%75%75%25%25%

Naturally infected vinesBDA-1++
BDA-2++++++
BDA-3++++
BDA-4++++++
E. dieback-1++++
E. dieback-2++++++
E. dieback-3++
E. dieback-4++

Successful reaction 100%100%62.5%62.5%37.5%37.5%

BDA: black dead arm; E. dieback: Eutypa dieback. +: positive amplification of the expected fragment, with DS3.8 S3-DS3.8 R6 (634 bp) and with DS3.8 S3-DS3.8 R4 (233 bp). : no amplification.