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Rabello RZ

By

Rijk Zwaan

Cos Lettuce

Mini Type

  • Baby cos for open field and hydroponic production
  • Very strong against bolting and tip-burn
  • Suitable for twin pack or whole head processing
  • Best suited to Spring, Summer and Autumn harvest
  • Disease Resistance HR Bl:29-38, 40EU/Fol:1/Nr:0.

Additional comments and cultural notes
Disease Resistance Key:

Tendita RZ

By

Rijk Zwaan

Cos Lettuce

  • Sweet and crisp leaves with a crunchy texture
  • Mini cos type with a high leaf count suitable for processing as separate leaves. Can also be harvested as whole heads for twin packs
  • Strong against bolting
  • Suitable for hydroponics and outdoor soil cultivation
  • Can be grown year-round but performs better in warmer temperatures, spring to autumn
  • Disease Resistance HR Bl:29, 30, 33-40EU/Fol:1/Nr:0.

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • Fol = Fusarium oxysporum f.sp. lactucum

AUVONA RZ

By

Rijk Zwaan

Cos Lettuce

  • Open-heart type for Spring, Summer and Autumn harvest
  • Solid mid rib with less pinking and longer shelf life
  • Crisper leaf texture than previous open heart types with more leaf blister and “crunch”
  • Very uniform leaf length and high processing recoveries
  • Strong narrow light green leaves with darker outside leaves
  • Broad plant base
  • Sweet flavour
  • Disease Resistance HR Bl:32EU/Fol:1

Additional comments and cultural notes
Disease Resistance Key

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Fol = Fusarium oxysporum f.sp. lactucum

BLANES RZ

By

Rijk Zwaan

Cos Lettuce

Mini Gem Type

  • Dark green leaves
  • Best suited to baby Cos Hearts but can be used for loose leaves
  • Very good flavour, sweet
  • Best suited to Autumn, Winter and Spring production
  • Slow bolting relative to other mini hearting types
  • Disease Resistance HR Bl:32EU/Fol:1 IR LMV:1.

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • LMV = Lettuce Mosaic Virus
  • Fol = Fusarium oxysporum f.sp. lactucum

CHICARITA RZ

By

Rijk Zwaan

Cos Lettuce

  • Smooth strong elongated leaves with a crisp crunchy texture
  • Mini Cos type that can be harvested as whole heads or processed as separate leaves
  • Strong against bolting
  • Suitable for hydroponics and outdoor soil cultivation
  • Can be grown year round
  • Very interesting alternative to Iceberg
  • Disease Resistance HR Bl:29, 30, 33-35, 37, 38, 40EU/Fol:1/Nr:0 IR LMV:1.

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • LMV = Lettuce Mosaic Virus
  • Fol = Fusarium oxysporum f.sp. lactucum

MADELONA RZ

By

Rijk Zwaan

Cos Lettuce

Open-heart type for Spring, Summer and Autumn harvest

  • Very similar to Auvona with the added benefit of wider resistances to Downy Mildew and Nasonovia Aphid
  • Solid mid rib with less pinking and longer shelf life
  • Sweet flavoured dark green leaves with slight blister and “crunch” to texture
  • Very good recovery rate when processing for whole leaves or Caesar salads
  • Dual purpose for processing and sleeving for fresh market
  • Disease Resistance HR Bl:29-34, 36, 39, 40EU/Nr:0 IR Ss(Rs).

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • SS(RS) = Sphingomonas suberifacieus (Corky Root)

PATRONA RZ

By

Rijk Zwaan

Cos Lettuce

Open heart type for Winter harvest

  • Solid mid rib with less pinking and longer shelf life
  • Best suited to Autumn, Winter and Spring harvest. Strong against twisting. Complements Auvona for year round production
  • Very uniform leaf length and high processing recoveries
  • Strong narrow, light green leaves with darker outside leaves
  • Disease Resistance HR Bl:29-34, 36, 39, 40EU/Nr:0 IR LMV:1.

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • LMV = Lettuce Mosaic Virus

RAFAEL RZ

By

Rijk Zwaan

Cos Lettuce

Mini Type

  • Versatile variety for year round production
  • Small cos for whole leaf processing. Leaves are easy to separate
  • Dark green glossy leaf colour
  • Good shelf life and great flavour
  • Suitable for hydroponics and outdoor soil cultivation
  • Can be grown for cos hearts or whole heads
  • Disease Resistance HR Bl:29, 30, 33-40EU/Fol:1/Nr:0.

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • Fol = Fusarium oxysporum f.sp. lactucum

ROSAINE RZ

By

Nas 30

Red mini cos type with good shape matching other green types. Dark red colour with blistered leaf. Leaves can be separated or presented as a whole head. Suitable for year round production. HR: Bl: 16-26, 28, 31, 32 / Nr:0 / Pb

Salvius RZ

By

Rijk Zwaan

Cos Lettuce

Strong Winter Vigour

  • Large frame and dark green leaves
  • Medium blistered or savoyed leaves
  • Fast growing tall plants
  • Good vigour and disease resistance through cool wet weather
  • Disease Resistance HR Bl:32EU/Nr:0 IR Ss(Rs)

Additional comments and cultural notes
Disease Resistance Key:

  • HR = High Resistance IR = Intermediate Resistance
  • Bl = Bremia lactucae (Downy mildew)
  • Nr = Nasanovia aphid
  • Ss(Rs) = Sphingomonas suberifacieus (Corky Root)