Richters ProGrowers Info
Richters ProGrowers Info | |
Mint
(Mentha spp.) |
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Market
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Products:  (leaf, herb);  (herb);  (herb); 
Market size: 240,000 hectares (world), 16,000 ha (North America)
Prospects: prices up, volume up
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Culture |
Seed density: 17,000-20,000 seeds/gram
Exposure: full sun
Soil: rich, moist, well-drained, pH 6.5-7
Crop duration: 2-3 years
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Sowing rate: 1 kg/ha (direct), 0.1-0.2kg/ha (indirect).
Planting: commercial plantings propagated vegetatively; seed not suitable because of poor oil quality. Root cuttings planted in early spring or fall. Fields must be rotated every 2-3 years to prevent disease buildup.
Field spacing: 40-90cm between rows x 15-45cm within rows.
Yield: peppermint herb oil 35-125kg/ha, fresh herb 10-25t/ha, dried herb 1-3t/ha (years 2-3).
Pests: nematode, aphid
Diseases: puccinia rust, verticillum wilt, leaf spot, sphaceloma spot anthracnose.
Buyers want: peppermint minimum 1-1.2% volatile oil, not more than 10% leaves spotted with puccinia rust, not more than 5% stems, 2% foreign matter or 11% water.
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Sowing rate: 0.5-1g/1000 plants.
Planting: most cultivars grown from cuttings. Seed material not recommended for pot plant sales.
Plugs to saleable plants: 4 weeks.
Pests: whitefly, spider mite, aphid, mealybug
Diseases: rust.
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– Dried Production
– Fresh Production
– Oil Production
– Potted Plant Production
Back to ProGrower Herb List
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