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Table 3 Description of the disease control intervention and management strategies applied in the studies included in the systematic map

From: Scientific evidence of sustainable plant disease protection strategies for oilseed rape (Brassica napus) in Sweden: a systematic map

Intervention/management

Description

Biological control

Studies including any approved biological control agent (for use in the EU) for disease control. Includes tests with different spraying rates and times and comparisons between different biological control agents

Crop rotation

Use of crop rotation for disease control management

Cultivar resistance

Assessment of different oilseed rape cultivars for resistance to diseases

Defence elicitor

Use of any kind of plant defence elicitors that can induce host defence responses against a plant disease (β-aminobutyric acid, cis-jasmone, chitinosan, acibenzolar-S-methyl, etc.)

Defoliation

Use of mechanical defoliation of infected leaves as a disease control management to reduce the disease inoculum on plants and the potential for disease dispersal

Degree of soil infestation

Test of different levels of disease inoculum in the soil to evaluate the effects on disease development

Distance to inoculum

Analysis of disease development dependent on the distance between infested fields (inoculum source) and fields with no disease to evaluate the wind dispersal of inoculum between fields

Harvest techniques

Use of different harvest techniques (swathing versus straight combining) at different harvest dates to assess seed infection

Pesticides

Use of approved pesticides (for use in the EU) for disease control, including fungicides, herbicides and insecticides. Includes tests with different spraying rates and times, the type of adjuvant, the nozzle type used for applying the pesticide, and comparisons between different pesticides

Plant density

Use of different plant densities to assess the disease incidence in the field

Seeding depth

Use of different seed depths to assess the effect on crop performance in diseased plants

Seed size

Use of different seed sizes to assess the effect on crop performance in diseased plants

Soil amendments

Studies including any kind of fertilizers and soil amendments for disease control (nitrogen, boron, calcium, wood ash, etc.). Includes tests with different application rates and times of application

Stubble management

Any type of crop residue management used to reduce disease incidence