CHARACTERISTIC*: SV7030NS
KIND AND TYPE: F1 hybrid, mid season, short day red onion (Allium cepaL.)
MATURITY: Medium, 21 to 25 weeks after direct seeding. Maturity depends on sowing date, production location and seasonal variations (photoperiod and temperature)
BULB SHAPE: Globe to high globe
BULB SIZE: Medium to large (55 – 95 mm) – bulb size is influenced by the plant population
BULB UNIFORMITY (SHAPE AND SIZE): Very good
BULB NECK SIZE AND QUALITIES: Medium to small (thin) and tight
BULB FIRMNESS: Firm
BULB TUNIC (SKIN/SCALE LEAF) COLOUR: Excellent bulb skin colour: shiny, deep red to purple
TUNIC RETENTION AND QUALITY: Very good and tough – multiple outer scale leaves reduce bruises during transportation
STORABILITY/SHELF LIFE: Short (2 to 2½ months). Storage potential depends on the storage conditions (temperature and relative humidity).
FLESH COLOUR: White with red to purple rings
TASTE: Mildly pungent
LEAF/FOLIAGE HEALTH AND GROWTH HABIT: Good and flagging to upright
LEAF/FOLIAGE COLOUR: Dark green
BOLTING REACTION: Slow – Good tolerance (depends on/related to the sowing date)
DISEASE RESISTANCE (SCIENTIFIC):
High resistance: Phoma terrestris (Pt)
Intermediate resistance: Fusarium oxysporum f.spcepae (Foc)
GROWING AREA: Grown between 23 – 35° latitude. Refer to the sowing guide for the recommended sowing period in different production areas.
AVERAGE SEED COUNT: 220 – 320 seeds per gram or 220 000 – 320 000 seeds per kilogram
SUGGESTED SOWING DENSITY: Density depends on the size requirement of the bulbs and the target market/uses of the final product, however we suggest:
Final population of 750 000 – 950 000 plants per hectare
SEED REQUIREMENT PER HECTARE:
Direct sowing: 900 000 to 1 200 000 seeds per hectare / 3.5 – 4.0 kg seed per hectare
Transplant: 5.0 – 5.5 kg seed per hectare
MARKET USES: Bunched, fresh market, pre-pack and processing
SPECIAL FEATURES, BENEFITS AND REMARKS: Attractive and tough shiny, deep red to purple tunic. Red onions need to be cured properly in order to develop the distinctive red internal colour – they have a white flesh colour when recently harvested or when used as fresh green (not cured) onions.
SV7030NS F1 HYBRID – SHORT DAY – RED ONION
OUTSTANDING QUALITIES
- MID-MATURING, SHORT DAY RED ONION HYBRID
- UNIFORM, FIRM, GLOBE SHAPED BULBS
- ATTRACTIVE SHINY, DEEP RED TO PURPLE BULB SKIN COLOUR
- EXCELLENT INTERNAL FLESH COLOUR
- EXCELLENT ROOT DISEASE RESISTANCE AGAINST SOIL BORNE PATHOGENS
SV7030NS is a mid-maturing, short day, red onion variety. SV7030NS produces firm, uniform, globe-shaped bulbs with neat, thin necks. SV7030NS’s bulbs have two tough outers scale leaves each with an attractive shiny, deep red to purple colour. SV7030NS is a vigorous grower with high yield potential and good bolting tolerance. In addition, SV7030NS has a high resistance to the soil-borne fungal pathogen, pink root (Phoma terrestris syn. Pyrenochaeta terrestris) and intermediate resistance to Fusarium basal plate rot (Fusarium oxysporum f. sp. cepae). SV7030NS is suitable for direct seeding as well as seedling transplants.
SPECIAL VARIETAL REQUIREMENTS
- SV7030NS has a vigorous root system – nitrogen-based fertilisers late in the growing season should be strictly managed
- Red onions need to be cured properly in order to develop the distinctive red internal colour – all red onion varieties have a white flesh colour when recently harvested or when used as fresh green (not cured) onions
- Contact a Sakata area representative for a local onion sowing guide
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