Butterhead Lettuce

PROFI, Zelenina SEMO - Salát hlávkový, p3700 (Lactuca sativa L.)

Lettuce requires a quality soil in II. track. It is demanding for a nutrient supply in the immediate acceptable form. We recommend sunny areas. We offer a whole range of lettuces. Lettuces in the PROFI series meet the requirements of intensive production. Healthy plants (resistance to most of the major races of Bremia lactucae), a firm head, long standing ability, suitability for transport and short-term storage are among their common features. Lettuce seed is available in three categories – STANDARD seeds, PRECISION seeds and SPLIT PILLS (pellets made by INCOTEC).

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Butterhead Lettuce Lactuca sativa L. var.capitata L. Varieties for open field

Variety Growing season *   Earliness Head     High resistance to Bremia lactucae General remarks
spring summer autumn weight (g) leaf surface
texture
color (races)
MARS ++ ++ ++ very early 360 smooth green 1 - 21, 23 - 25 a fast-growing summer lettuce
MARATON ++ + ++ mid-early 380 blistered yellow green 1 - 4, 6 - 25 standard variety, resistant to bolting
MARSALUS ++ ++ ++ mid-early 380 smooth light green 1 - 14, 17 - 21, 23 - 25 resistant to bolting, thick leaf, holds well in the field
MERKURION ++ ++ ++ mid-early 380 smooth green 1 - 24 intermediate resistance to LMV, uniform large heads, tolerant to hot and cold conditions, holds well in the field
JUPITER ++ + + mid-late 400 smooth yellow green 1 - 3, 5 - 13, 17, 18, 21, 22, 24, 25 intermediate resistance to LMV, heavy heads
CERVANEK ++ - ++ early 360 slightly
blistered
reddish 1, 3, 8, 9, 11 - 13, 17, 18, 19, 21 - 25 attractive red color and delicious taste tolerant to bolting
HUMIL for overwintering for overwintering for overwintering early 340 slightly
blistered
light green not tested for overwintering

* Central European conditions
Growing: ++ very suitable, + suitable, - not suitable
LMV - Lettuce mosaic virus


Butterhead Lettuce Lactuca sativa L. var.capitata L. Varieties for greenhouse / tunnel

Variety Maturity Head     High resistance
to Bremia lactucae
races
General remarks
weight (g) leaf surface texture color
CITRIN very early 250 smooth green 16-25 upright bottom leaves, results in a high tolerance to bottom rot
BREMEX early 250 slightly
blistered
matt green 16-25 extremly tolerant to bolting, also excellent for summer planting
NEFERIN mid-early 300 slightly
blistered
dark green 16-25 thick dark green leaves, high tolerance to bottom rot


Iceberg Lettuce Lactuca sativa L. var.capitata L.

Variety Growing season   Earliness Head     High resistance
to Bremia lactucae
races
General remarks
spring summer autumn weight
(g)
leaf surface texture colour
MINIKO ++ + ++ very early 400 smooth green 1, 2, 4 - 12, 21, 24, 25 small firm head,
excellent bolting tolerance
MEDIMO + ++ + mid-early 480 slightly
blistered
green 2, 4, 7, 12, 13, 17, 21 intermediate resistance to LMV,
high level of tolerance to rot in head,
good bolting resistance
MAXIMO + ++ + mid-late 500 slightly
blistered
green 1, 2, 4, 7 - 12, 14, 17, 18, 21, 25 large head,
perfectfor salads
LEDANO ++ - ++ early 460 slightly
blistered
yellow-green 2 - 3, 7 - 13, 17 - 18, 21 - 25 attractive yellow green heads, Blonde d Paris type

Growing: ++ very suitable, + suitable, - not suitable

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