Lettuce Lollo Rossa

Lettuce Lollo Rossa

Saqueta Individual

€1,50

An Italian loose-rosette lettuce with leaves as ornamental as they are flavorful — a feast for the eyes before reaching the plate.

About the variety. Lollo Rossa produces deep red, strongly frilled leaves with a tender texture, weighing 70–130 g per plant. Compact in habit (up to 20 cm), it also grows well in containers.

€1,50

Itinerário técnico

Como cultivar lettuce lollo rossa?

Um guia de cultivo passo a passo, da sementeira à colheita.

pH ideal 5.5 and 7Temperatura ideal 20 and 30°C

Sementeira

Sow in trays and transplant seedlings to their final location 3 to 4 weeks later. The crop can be grown in rows, with 15 to 20 cm between plants and 45 to 60 cm between rows.

Solo

It is a crop that adapts well to different soil types, though it is essential that they have good drainage capacity. Soil pH should be between 5.5 and 7.

Clima

The crop prefers temperatures between 20 and 30°C; however, temperatures should not be extreme, as they will lead to premature bolting.

Fertilização

Compost should be incorporated into the base fertilization to meet the crop's nutritional needs. It is important that the soil contains phosphorus at the start of development; if it is not present at sufficient levels in the soil, even with the addition of compost, a mineral fertilizer rich in that nutrient should be applied.

Rega

Watering should be frequent since the root system is not very deep. Drip irrigation is particularly well-suited for lettuce cultivation, as it prevents excessive moisture on the leaves and thus reduces the risk of disease.

Controlo de Infestantes

Mulching is an interesting option for lettuce cultivation, reducing competition between weeds and the crop.

Controlo de Pragas

Mites, aphids, leafminer larvae and root-knot nematodes are pests of this crop. Mites can be managed through biological control with predatory mites and, if necessary, by applying azadirachtin or sulphur dust (if T < 28°C). Aphids can be controlled through moderate fertilisation without excess nitrogen, natural limitation using border hedgerows to support beneficial insects, biological control with parasitoid and predatory Hymenoptera, and, if necessary, the application of potassium soap or azadirachtin. Leafminer larvae can be controlled through natural limitation with hedgerows and other vegetation including nectar-rich plants to feed adult parasitoids, biological control with parasitoid Hymenoptera, and, as a complementary measure, the application of azadirachtin. Root-knot nematodes are controlled through crop rotations, biofumigation and soil solarisation.

Doenças

Alternaria blight, sclerotinia, downy mildew and grey mould are diseases affecting this crop. To control alternaria blight, wide plant spacing and copper-based fungicides (such as Bordeaux mixture) should be used. To control sclerotinia, appropriate crop rotations and wider spacing should be used, and infected plants should be removed from the field as early as possible. Downy mildew can be controlled through crop rotations of at least 3 years, avoiding excess moisture in the soil and humidity in the air, using wide spacing and, if necessary, applying copper hydroxide at reduced concentrations (which should be lower the colder the weather, as it may cause a risk of leaf scorch). Finally, grey mould should be controlled by removing diseased plant debris, avoiding excessive plant vigour, keeping water off the plants and through the regular application of bentonite clay.