Articles
BIOLOGICAL CONTROL OF REPLANT PROBLEMS
Article number
363_15
Pages
115 – 120
Language
Abstract
Apple replant disease (ARD) is one of the components of fruit tree replant problems.
Inoculation of apple seedlings and apple rootstocks with bacteria Agrobacterium radiobacter improved the growth of plants grown in soil with ARD. Inoculation with vesicular-arbuscular mycorrhizal fungi Glomus etunicatum was successful during the first 6 months of growth only when apple seedlings were grown for the first three weeks in a sterile substrate (sand-soil-peat). When young grafted apple trees were inoculated directly in orchard soil with ARD under non-sterile conditions, the effect of inoculation was negligible after 6 months.
However, mycorrhizal infection of roots and growth of plants was significantly lower in ARD soil than in virgin soil.
On the other hand, there were significant differences in the composition of the rhizosphere microflora after 6 months, especially between the soil with ARD and the virgin soil.
Inoculation of apple seedlings and apple rootstocks with bacteria Agrobacterium radiobacter improved the growth of plants grown in soil with ARD. Inoculation with vesicular-arbuscular mycorrhizal fungi Glomus etunicatum was successful during the first 6 months of growth only when apple seedlings were grown for the first three weeks in a sterile substrate (sand-soil-peat). When young grafted apple trees were inoculated directly in orchard soil with ARD under non-sterile conditions, the effect of inoculation was negligible after 6 months.
However, mycorrhizal infection of roots and growth of plants was significantly lower in ARD soil than in virgin soil.
On the other hand, there were significant differences in the composition of the rhizosphere microflora after 6 months, especially between the soil with ARD and the virgin soil.
Publication
Authors
V. Catská, H. Taube-Baab
Keywords
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