Maraldi Sementi has a long time experience in onion breeding and seed production

The breeding program is aimed to introduce new high-value hybrids suitable for long-term storage, with high uniformity and tolerance to the most common diseases  (Pyrenochaeta terrestris and Fusarium oxysporum f.sp. cepae),

The product development process takes place in close contact with qualified partners to validate the most promising hybrids in specific production areas for different production cycles; the assessment of the environmental effect and of the hybrids adaptability to the different areas is of primary importance for obtaining competitive and reliable commercial varieties.


MSX101034 F1*

  • Early maturing hybrid
  • Round uniform bulbs with good sizing ability
  • It combine earliness and good solid content %, 4 months storage

MSX 18117 F1*

  • Medium maturity cycle,  115 days
  • Great sizing uniformity and extremely dark skin color
  • High yield combined with medium long term storage


  • Late maturing variety with dark bronzed skin
  • Hard bulbs with high soilid content %
  • Suitable for mechanical harvest and long storage

MSX 57148 F1*

  • Medium late maturity, 125 days
  • Very uniform round bulbs with high % single center, dark bronze skin color
  • Thin neck, erect and healthy leaves
  • High solid content, perfect for mechanical harvets and long term sorage 9-10 months

Darkstone F1

  • Late maturing hybrid, 130 days
  • Very dark bronze color with 3-4 tight skin layers
  • Great uniformity and sizing ability, vigorous plant and root system
  • For mechanical harvest, long term storage 9-10 months


  • Early maturing variety 95-100 days
  • It makes colossal bulbs, uniform shape and bright skin color
  • Medium term storage

Primo Blanco

  • Medium late maturity 120-125 days
  • Nice bright white color
  • Uniform bulb with big sizing ability
  • Medium long term storage


  • Medium late maturity, 120 days
  • Thick skin layers on intense white color, hard bulbs with high solid content %
  • Long term stiorage

MSX 18103 F1*

  • Medium late maturity
  • Uniform round bulb with thick and tight skin layers
  • Good yielder and great bulb quality
  • It hold well an intense white color


  • Medium late maturity, 125 days
  • Very dark red color, tight skin layers
  • Hard bulb for long term storage
  • Suitable for mechanical harvest, red marked internal rings

MSX 88083 F1*

  • Medium late maturing hybrid
  • Exceptional uniform spherical bulbs
  • Intense dark red skin color with tight layers, red marked rings
  • High single center %, vigorous leaf and root system

Ramata Rossa di Milano

  • Attractice semi-elongated pink bulbs
  • It combine nice taste and long storage ability

Top Spring F1

  • Extra early hybrid
  • Uniform bulbs with thin neck, mild taste
  • Suitable both for bulb and bunching production

Top Star F1

  • Medium early maturity
  • Uniform bulbs with great yield potential
  • Medium to short term storage


  • Late maturity
  • Medium sized bulbs, suitable for mechanical harvest
  • Medium term stiorage

Bianca di Maggio sel Fuentes

  • Round bulbs of bright white color
  • Medium maturity cycle
  • Big sizing ability, suitable for short term storage

Primula Rossa

  • Medium early maturity
  • Intense red bulb color, good productivity
  • Nice red marked rings

*Varietà in corso di iscrizione presso il Catalogo comune Europeo delle varietà delle specie di ortaggi

cipolla giorno lungo

Varietà Lunghezza del ciclo Colore esterno Grado di copertura (A) Consistenza (B) Conservabilità (C) Produttività (D) Livello di pungenza (E)
MSX101034 F1 molto precoce giallo bronzato brillante 6 7 7 8 3
MSX18117 F1 medio bronzato scurissimo 8 8 7 9 6
RAMONA tardivo bronzato scuro 8 8 8 7 6
MSX57148 F1 medio-tardivo giallo bronzato scuro 8 9 9 8 6
DARKSTONE F1 tardivo bronzato scurissimo 9 9 9 8 6
ALBACHIARA precoce bianco brillante 7 7 7 9 6
BIANCANEVE medio bianco intenso 7 8 8 8 7
MSX18103 F1 medio tardivo bianco intenso 9 8 8 9 7
PRIMO BLANCO F1 medio tardivo bianco intenso 8 7 8 9 7
MSX88083 F1 medio tardivo rosso violaceo intenso 9 8 9 8 5
ROJO DURO medio tardivo rosso violaceo intenso 8 8 8 7 5
RAMATA ROSSA DI MILANO medio tardivo rosso ramato 7 8 8 7 3

Cipolle giorno corto, overwintering

Varietà Lunghezza del ciclo Colore esterno Grado di copertura (A) Consistenza (B) Conservabilità (C) Produttività (D) Livello di pungenza (E)
TOP SPRING F1 extra precoce dorato brillante 6 5 5 9 2
TOP STAR F1 precoce dorato brillante 6 6 6 8 3
ALBATROS medio tardivo marrone 7 6 7 7 4
BIANCA DI MAGGIO sel.FUENTES medio precoce bianco brillante 6 6 5 8 5
PRIMULA ROSSA medio precoce rosso scuro inteso 7 6 7 7 4