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Organic production of garlic - broadening the range of varieties through selection of plant genetic resources - JKI

Project


Project code: 2822OE048C
Contract period: 01.04.2024 - 31.03.2029
Budget: 36,000 Euro
Purpose of research: Applied research
Keywords: agricultural biodiversity, vegetable production, genetic resources, medicinal plants and spices, climate change adaptation, plant genetic resources, plant breeding, seed and planting material, bulb crops, organic farming

Garlic is especially well known for its bioactive substances, but most of the garlic is imported. With the increasing demand for organically produced products and growing import costs, the regional cultivation of garlic on organically managed land is becoming more attractive. A basic prerequisite for this is the availability of suitable varieties and planting material. The aim of ObiVonKnobi is to expand the genetic diversity of garlic in organic farming and to increase the availability of virus-free planting material. Through analyses of yield parameters and bioactive substances of the IPK garlic collection, appropriate accessions are to be identified together with organic growers, and marker-trait associations and genotype x environment interactions are to be analysed. The specific objectives are 1) The selection of suitable garlic accessions for organic cultivation through the investigation of agronomic characteristics, bioactive substances and taste tests. In the 1st year, 414 garlic accessions from the IPK field genebank are analysed and 34 will be selected together with the growers. In the 2nd year, these accessions are cultivated for propagation on 4 organic farms with different soil qualities and evaluated again. From the 3rd to the 5th year, 17 particularly suitable accessions are selected, cultivated, evaluated and the potential for variety development is determined by a public taste test. 2) Virus elimination of the selected garlic accessions to ensure high yield and marketability. 3) The evaluation of sulphur fertilisation on yield, bioactive substances and virus occurrence. From the 3rd to the 5th year, the 17 selected accessions are fertilised in parallel with sulphur granules and the genotype x environment interaction are investigated. 4) In order to identify genetic influences, 414 garlic accessions will be investigated at the IPK over a period of 3 years for yield parameters and bioactive substances and marker-trait associations (QTL) will be analys

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