In the spring of 2020, Plantin limited liability limited partnership conducted another series of tests on mother plants of blueberries, raspberries and blackberries. The plants were examined in two research centres, in the Phytopathology Unit of the Research Institute of Horticulture in Skierniewice, ul. Pomologiczna 13a, Skierniewice, Poland and in the laboratory of the Main Inspectorate of Plant Health and Seed Inspection in Poland for the presence of viruses and phytoplasma.
Pursuant to the requirements in force in Poland and other UE countries, certified planting material and nursery plants must be free from the below-mentioned pathogens.
BLUEBERRIES
A total of 37 varieties of blueberry were tested.
The Elisa tests were conducted for the presence of the following viruses:
- Bluberry leaf mottle virus
- Bluberry scorch virus
- Bluberry shock virus
- Bluberry shoestring virus
- Peach rosette mosaic virus
- Tabacco ringspot virus
- Tomato ringspot virus
The PCR tests were conducted for the presence of the following phytoplasma:
- Blueberry witches broom phytoplasma and
- Bluberry stunt phytoplasma.
The RT-PCR tests were conducted to detect the presence of the following viruses:
- Blueberry red ringspot virus
- Blueberry mosaic associated virus
The presence of the above-mentioned pathogens was not detected in any of the varieties tested.
RASPBERRIES AND BLACKBERRIES
A total of 15 varieties of raspberries and 8 varieties of blackberries were tested.
The raspberry and blackberry varieties were tested for the presence of the below-mentioned pathogens.
The ELISA tests were conducted for the presence of:
- Apple mosaic virus
- Raspberry bushy dwarf virus
- Cucumber mosaic virus
The PCR tests were conducted for the presence of:
- Raspberry vein chlorosis virus
- Raspberry yellow net virus
- Raspberry leaf spot virus
- Raspberry leaf mottle virus
- Blackberry necrosis virus
- Raspberry leaf blotch virus
- phytoplasma
The presence of the above-mentioned pathogens was not detected in the planting material and nursery plants tested.
