Opera-cov grafted PR-R/Mirared bare-root nectarine plant, white flesh, 100-120 cm, untreated

Technical sheet of the Opera-cov white-fleshed nectarine variety

• Fruit flesh color: White
• Skin color: Bright red to dark red, covering 80-90% of the fruit surface on a yellow-orange background visible in places.
• Size and shape: Medium to large (A/AA size), round in shape, slightly flattened.
• Fruit maturity: Mid-season (mid-July to early August depending on the region). Generally around mid-August.
• Fruit Taste: Sweet and fragrant flavor, well balanced between sugar and acidity. Delicate aromas of white peach. Fine, melting, juicy and crunchy flesh, bursting with juice of excellent taste quality.
• Earliness of the variety: Mid-season.
• Fruiting period: Mid-July to early August depending on the region.
• Disease resistance and storage: Good resistance to common nectarine diseases, including peach leaf curl. Good post-harvest shelf life (approximately 1 week at room temperature, 2-3 weeks in a cold room at 0-2°C). Good resistance to handling and transport.
• Variety yield: High and consistent.
• Is this variety self-fertile? Yes, it does not require a pollinator.
• Commercial use: Suitable for cultivation in professional orchards.
• Is this a COV variety? Yes
• Comments: Self-fertile variety that does not require a pollinator. It is recommended to plant it in full sun in well-drained soil.

Quick read / the essentials on Nectarinier Opera-cov

The Opera-cov variety is a strategic solution for French orchards looking to expand their range of white-fleshed nectarines at the end of the season. With an estimated maturity around mid-August , this white-fleshed nectarine tree offers a sought-after combination: juicy, sweet and fragrant flesh , medium to large size, and shiny dark red skin . Its attractive visual appearance is ideal for fresh sales, whether in short supply chains or on supermarket shelves.

Adapted to the requirements of professional arboriculturists, Opera-cov is self-fertile , and its resistance to peach leaf curl constitutes a notable health advantage. Although it still lacks quantified feedback on its post-harvest performance, its supposed good firmness , combined with its organoleptic attributes (AA taste rating), suggests solid commercial potential.

For professionals wishing to purchase Opera-cov nectarine plants , Arboriverse , a specialist wholesale supplier of nectarine plants , offers tailor-made support, from the choice of rootstock to planting. Thanks to its technical expertise, Arboriverse , a specialist wholesale supplier of nectarine plants , ensures rigorous and personalized monitoring at each stage.

In summary, buying Opera-cov nectarine plants from Arboriverse means securing a high-value late-summer variety that can intelligently diversify the varietal calendar of a professional orchard.

Technical presentation of the white-fleshed nectarine variety Opera-cov for professional producers in France

The Opera-cov nectarine tree is a white-fleshed variety, protected by a Plant Variety Certificate (PVC) , and intended primarily for fresh consumption . Its taste characteristics and good agronomic adaptation make it an interesting candidate for professional producers in France , although there are still gaps in information on certain technical aspects. This sheet presents an overview of the knowledge available to date.

Fruit characteristics

The fruits of the Opera-cov variety have a juicy, sweet and fragrant white flesh , typical of white-fleshed nectarines, often sought after for their sweetness and low acidity . The size is medium to large , meeting current commercial requirements.

The shape is round to slightly flattened , offering good handling comfort and an attractive presentation. The skin is dark red with a bright orange-yellow background, a visual aspect favorable to marketing, particularly in mass distribution or direct sales.

No specific data is available regarding the firmness of the fruit , but the taste qualities mentioned and the absence of negative remarks on the holding allow us to assume correct firmness, although this must be checked in post-harvest conditions.

Fruit maturity is estimated around mid-August , positioning this variety in the late season segment , useful for completing a harvest calendar.

Tree characteristics

Information on the tree's mature height , vigor , and habit remains limited. Based on general nectarine data, a mature height of 3 to 5 meters can be assumed, with probably average to good vigor and a semi-erect or semi-open habit, adapted to good light exposure.

Production is expected to start 2 to 4 years after planting , which is the usual standard for nectarine trees. Staking is recommended during the first few years to structure the tree and optimize its growth.

Fertility and pollination

Opera-cov is self-fertile , making it an easy variety to integrate into a single-variety orchard. However, as is often the case, the proximity of other compatible varieties can contribute to an optimized yield by stimulating cross-pollination.

Resistances and sensitivities

Peach leaf curl resistance is reported to be good , a major asset for this crop, which is often susceptible to this fungal disease. This allows for reduced phytosanitary treatments and preservation of yields in unfavorable conditions.

No specific information is available regarding resistance to powdery mildew , brown rot , or pests such as aphids or Mediterranean flies. Strict health monitoring remains recommended.

Similarly, no specific data are provided on drought tolerance , limescale , or root asphyxiation . In the absence of specifics, it is prudent to follow general soil recommendations: avoid overwatering, ensure good drainage, and monitor pH in calcareous areas.

Recommended rootstocks

In the absence of specific information for Opera-cov, we can rely on the general recommendations in force for nectarine trees in France. The following rootstocks are compatible and suitable depending on the soil type:

• GF 677 : suitable for calcareous and dry soils, widely used.
• Cadaman Avimag : tolerant to root asphyxiation, good vigor.
• Montclar : for light, well-drained soils, moderate vigor.
• Garnem : resistant to nematodes, very vigorous.
• Rootpac 20 : dwarfing, ideal for intensive or high density plantings .

The choice of rootstock must be made according to local soil and climate conditions and production objectives .

Economic considerations

No figures are available for the average yield per tree for the Opera-cov variety. However, well-maintained nectarine trees can produce between 20 and 50 kg per tree , depending on planting density, training system, and climatic conditions.

The main commercial use of this variety appears to be fresh consumption , due to its taste characteristics, its attractive appearance (size, color) and its late maturity, which is favorable to the diversification of the offer. No specific mention is made regarding its suitability for processing.

Regulatory framework

Opera-cov is a variety protected by a Plant Variety Certificate (PVC) . To date, the exact breeder is not identified in the available sources. It is therefore essential, before any multiplication or commercialization, to check the rights with the PVC holder , either via GEVES or the databases of the plant variety protection offices .

Conclusion

Opera-cov presents itself as a promising variety of white-fleshed nectarine , combining taste quality , medium to large size , colored skin and proven resistance to peach leaf curl . Its self-fertility and late-season maturity make it an attractive solution for producers wishing to extend their harvest schedule.

To summarize: Nectarinier Opera-cov

Opera-cov is a white-fleshed nectarine variety aimed at demanding growers looking for a cost-effective solution for the end-of-season segment . Its medium to large size , uniform bright red skin and sweet, juicy flesh make it particularly popular for fresh consumption. Its self-fertility facilitates the design of single-variety orchards, and its resistance to peach leaf curl helps limit the use of plant protection inputs.

Even if certain data such as yield or post-harvest firmness still need to be consolidated, Opera-cov already shows real agronomic advantages. It is compatible with the main rootstocks on the market, notably GF 677 , Cadaman , Montclar or Garnem , depending on the pedoclimatic contexts.

For arborists who wish to purchase Opera-cov nectarine plants , Arboriverse , a specialist wholesale supplier of nectarine plants , provides certified plants from a network of reliable partner nurseries. Thanks to its role as a specialist wholesale supplier of nectarine plants , Arboriverse guarantees easy access to protected and high-performance varieties, with technical support as a key.

Choosing to buy Opera-cov nectarine plants means ensuring a successful entry into the late summer fresh market, with a promising, aesthetic variety that meets the expectations of modern consumers.