Articles
PRELIMINARY NOTE ON A BIOASSAY FOR PROGNOSIS OF SPECIFIC APPLE REPLANT DISEASE IN SWEDEN
Article number
233_8
Pages
49 – 52
Language
Abstract
A test method consisting of soil sampling, analysis of physical and chemical properties and nematode occurrence, a bioassay conducted in field, disease index and a standard is presented.
The field bioassay for specific apple replant disease (SARD) was first tried in 1985 in a commercial apple orchard.
This bioassay might be an alternative to other methods as it reviews the SARD situation more objectively through the use of several Malus-rootstock types as test plants combined with a plum-rootstock as an indicator of specifity and a disease index.
Fruit growers and nursery men may easily perform the test by themselves without great investments.
The field bioassay for specific apple replant disease (SARD) was first tried in 1985 in a commercial apple orchard.
This bioassay might be an alternative to other methods as it reviews the SARD situation more objectively through the use of several Malus-rootstock types as test plants combined with a plum-rootstock as an indicator of specifity and a disease index.
Fruit growers and nursery men may easily perform the test by themselves without great investments.
Publication
Authors
B. Waechter-Kristensen
Keywords
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