Romainesalat
Plante·Lactuca sativa var. longifolia
Halvskygge til fuld sol
Sol
Fugtig jord
Vand
Veldrænet jord
Dræning
Ikke registreret
Hårdførhed
Dækning · 102 felter
Vækst og størrelse10 felter
Plantetype
Plante“Lettuce (Lactuca sativa) is an annual plant of the family Asteraceae mostly grown as a leaf vegetable.”
Højde
90 cm“Lactuca sativa longifolia is a ANNUAL/BIENNIAL growing to 0.9 m (3ft) by 0.3 m (1ft in).”
Bredde
30 cm“Lactuca sativa longifolia is a ANNUAL/BIENNIAL growing to 0.9 m (3ft) by 0.3 m (1ft in).”
Højde ved alder
—
tomt
Planteafstand
20 cm“Heading varieties of lettuces are commonly started in flats, then transplanted to individual spots, usually 20 to 36 cm (7.9 to 14.2 in) apart, in the garden after developing several leaves.”
Vækstrate
—
tomt
Vækstform
—
tomt
Roddybde
Pælerod“Lettuce plants have a root system that includes a main taproot and smaller secondary roots.”
Skovhavelag
Urtelag
AI-estimat90 % enig
Levetid
~1 år
AI-estimatikke målt endnu
Rødder6 felter
Rodform
Pælerod“Lettuce plants have a root system that includes a main taproot and smaller secondary roots.”
Lagerorgan
Intet“It does not multiply vegetatively: it has no rhizomes, runners, suckers or offspring bulbs or tubers.”
Breder sig
Nej“It does not multiply vegetatively: it has no rhizomes, runners, suckers or offspring bulbs or tubers.”
Breder sig sideværts i cm
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tomt
Roddybde i cm
—
tomt
Mykorrhiza
—
tomt
Lys, vand og jord9 felter
Sol
Fuld sol, let skygge, halvskygge · bedst: fuld sol“Lettuce grows best in full sun in loose, nitrogen-rich soils with a pH of between 6.0 and 6.8.”PFAF“It can grow in semi-shade (light woodland) or no shade.”
Timer sol
6–8 t
AI-estimatikke målt endnu
Tørketålende
Nej“Plants strongly dislike dry conditions, quickly running to seed in such a situation.”
Tåler vandlidende jord
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tomt
Jordtype
Komprimeret jord
Tåler det dårligt
AI-estimatikke målt endnu
Klima5 felter
Hårdførhed
—
tomt
Dræbende frost
—
tomt
Vækst-temperatur
5–30 °C · optimal 12–21 °C“with most varieties growing poorly above 24 °C (75 °F)”Wikipediadelvist“as low as 7 °C (45 °F) being tolerated”Wikipediadelvist“cool temperatures prompt better performance, with 16 to 18 °C (61 to 64 °F) being preferred”
Wikipediadelvist
Kuldetimer
0 t
AI-estimatikke målt endnu
Hjemsted
—
tomt
Pleje (bliver til opgaver i Manage)10 felter
Såning
Januar · varer 59 dage“More certain winter crops can be obtained by sowing in a frame in September/October and again in January/February.”
Såning står 2 gange med forskellig timing.
Såning
August · varer 60 dage“make another sowing in August/September for a winter/spring crop”
Såning står 2 gange med forskellig timing.
PFAFdelvist
Beskyttelse
Efter forrige fase · slugs“They require quite a lot of attention to protect them from pests such as slugs, aphids and birds.”
PFAFdelvist
Beskyttelse
Efter forrige fase · birds“They require quite a lot of attention to protect them from pests such as slugs, aphids and birds.”
PFAFdelvist
Beskyttelse
Efter første frost · frost“some varieties of lettuce can be overwintered even in relatively cold climates under a layer of straw”
Wikipediadelvist
Udplantning
Efter forrige fase“Heading varieties of lettuces are commonly started in flats, then transplanted to individual spots, usually 20 to 36 cm (7.9 to 14.2 in) apart, in the garden after developing several leaves”
Wikipediadelvist
Vanding
April · varer 180 dage
AI-estimatikke målt endnu
Lugning
April · varer 180 dage
AI-estimatikke målt endnu
Jorddække
Efter forrige fase · 14 dage efter · varer 150 dage
AI-estimatikke målt endnu
Gødning
Efter forrige fase · 21 dage efter · varer 90 dage · balanced liquid feed
AI-estimatikke målt endnu
Året rundt3 felter
Høst
Efter forrige fase · 65 dage efter · varer 65 dage“lettuce generally lives 65–130 days from planting to harvesting”
Spiselige dele og bestøvning4 felter
Bladene
Raw, or cooked as a potherb or in soups“Leaves - raw or cooked.”PFAF“A mild slightly sweet flavour with a crisp texture, lettuce is a very commonly used salad leaf and can also be cooked as a potherb or be added to soups etc.”
Frøene
Sprouted, used in salads or sandwiches · august–september“Seed - sprouted and used in salads or sandwiches.”PFAFdelvist“It is in flower from July to August, and the seeds ripen from August to September.”
Bestøvning
Selvbestøvende · tvekønnet“The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.”PFAF“The plant is self-fertile.”
Bestøves af
Fluer“The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.”
Økologi6 felter
Tiltrækker
Flies, insects“The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.”Wikipedia“Many insects are attracted to lettuce”
Skadedyr
Jordflylarver, wireworms, nematoder, tarnished plant bugs, bladlus, cikader, thrips, minérinsekter, jordlopper, sommerfuglelarver, snegle, snegle, ghost moth larvae, Delia platura larvae, rabbits, groundhogs, birds“cutworms, which cut seedlings off at the soil line”Wikipedia“wireworms and nematodes, which cause yellow, stunted plants”Wikipedia“tarnished plant bugs and aphids, which cause yellow, distorted leaves”Wikipedia“leafhoppers, which cause stunted growth and pale leaves”Wikipedia“thrips, which turn leaves gray-green or silver”Wikipedia“leafminers, which create tunnels within the leaves”Wikipedia“flea beetles, which cut small holes in leaves”Wikipedia“caterpillars, slugs and snails, which cut large holes in leaves”Wikipedia“the larvae of the ghost moth and Delia platura is a common pest of lettuce plants”Wikipedia“Mammals, including rabbits and groundhogs, also eat the plants.”PFAF“They require quite a lot of attention to protect them from pests such as slugs, aphids and birds.”
Sygdomme
Big vein, mosaic virus, aster yellows, meldug, falsk meldug, bottom rot, lettuce drop, gray mold, fungal diseases“big vein, which causes yellow, distorted leaves”Wikipedia“mosaic virus, which is spread by aphids and causes stunted plant growth and deformed leaves”Wikipedia“Aster yellows are a disease-causing bacteria carried by leafhoppers”Wikipedia“Fungal diseases include powdery mildew and downy mildew”Wikipedia“bottom rot, lettuce drop and gray mold”PFAF“In wet weather they are likely to develop fungal diseases.”
Optager
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tomt
Fikserer kvælstof
Nej
AI-estimatikke målt endnu
Mykorrhiza
Nej
AI-estimatikke målt endnu
Formering og navne4 felter
Metoder
Frø“Seed - sow a small quantity of seed in situ every 2 or 3 weeks from March (with protection in cooler areas) to June”
Sværhedsgrad
1 / 5
AI-estimatikke målt endnu
Frø
none
AI-estimatikke målt endnu
Ikke sorteret endnu45 felter
Felter som parseren gemmer, men som siden ikke har en række til endnu. De vises her automatisk, så intet er skjult.
forage.DK.prep_cautions
Thick ribs on the older outer leaves carry a milky fluid that makes them bitter, Leaves turn bitter when the plant runs to seed in hot, dry weather, Lettuce can be contaminated with pathogenic E. coli from cattle manure or from irrigation water near cattle pastures and feedlots“The thick ribs, especially on the older outer leaves, have a milky fluid that gives the romaine its typically bitter herb taste.”PFAF“If the weather is hot and dry the plants tend to run very quickly to seed, developing a bitter flavour as they do so.”Wikipedia“Lettuce becomes contaminated with the bacterium as the result of cattle manure being used to fertilize crop fields, or the proximity of cattle pastures and feedlots to water sources used to irrigate crops.”
forage.DK.edibility_basis
inferred
AI-estimatikke målt endnu
forage.US.edible_parts
[{"part":"leaves","preparation":"raw, or cooked as a potherb or in soups"},{"part":"seed","preparation":"sprouted, used in salads or sandwiches","season_months":[8,9]}]“Leaves - raw or cooked.”PFAF“Seed - sprouted and used in salads or sandwiches.”PFAF“A mild slightly sweet flavour with a crisp texture, lettuce is a very commonly used salad leaf and can also be cooked as a potherb or be added to soups etc.”PFAFdelvist“It is in flower from July to August, and the seeds ripen from August to September.”
forage.US.prep_cautions
Thick ribs on the older outer leaves carry a milky fluid that makes them bitter, Leaves turn bitter when the plant runs to seed in hot, dry weather, Lettuce can be contaminated with pathogenic E. coli from cattle manure or from irrigation water near cattle pastures and feedlots“The thick ribs, especially on the older outer leaves, have a milky fluid that gives the romaine its typically bitter herb taste.”PFAF“If the weather is hot and dry the plants tend to run very quickly to seed, developing a bitter flavour as they do so.”Wikipedia“Lettuce becomes contaminated with the bacterium as the result of cattle manure being used to fertilize crop fields, or the proximity of cattle pastures and feedlots to water sources used to irrigate crops.”
forage.US.edibility_basis
inferred
AI-estimatikke målt endnu
ornamental.basis
documented
AI-estimatikke målt endnu
ornamental.fragrance.source
none
AI-estimat100 % enig
ornamental.confidence
high
AI-estimatikke målt endnu
ornamental.fall_interest
false
AI-estimatikke målt endnu
ornamental.flower_colour
yellow“Once plants move past the edible stage, they develop flower stalks up to 1 m (3 ft 3 in) high with small yellow blossoms.”
ornamental.evidence_quote
Lettuce flowers are typically small and yellow, appearing on a tall stalk. The foliage is green and does not exhibit autumn color change. It is an annual plant, so it does not have winter structure.
AI-estimatikke målt endnu
ornamental.foliage_colour
dark_green“Romaine or cos lettuce (Lactuca sativa L. var. longifolia) is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers.”
ornamental.foliage_texture
medium
AI-estimatikke målt endnu
ornamental.winter_structure
none
AI-estimatikke målt endnu
ornamental.autumn_foliage_colour
none
AI-estimatikke målt endnu
care_regime
routine
AI-estimatikke målt endnu
propagation.self_seeding
moderate
AI-estimat20 % enig
sun_requirement.best
full_sun“Lettuce grows best in full sun in loose, nitrogen-rich soils with a pH of between 6.0 and 6.8.”
forage_proposals.DK.edibility_tier.confidence
medium
AI-estimatikke målt endnu
forage_proposals.DK.edibility_tier.evidence_quote
Leaves - raw or cooked.
AI-estimatikke målt endnu
forage_proposals.US.edibility_tier.confidence
medium
AI-estimatikke målt endnu
forage_proposals.US.edibility_tier.evidence_quote
Leaves - raw or cooked.
AI-estimatikke målt endnu
function_profile.biomass_return.confidence
low
AI-estimatikke målt endnu
function_profile.nutrient_flows.consumes
[{"basis":"documented","demand":"high","nutrient":"nitrogen","confidence":"high"},{"basis":"documented","demand":"moderate","nutrient":"phosphorus","confidence":"high"},{"basis":"documented","demand":"moderate","nutri…“Lettuce grows best in full sun in loose, nitrogen-rich soils with a pH of between 6.0 and 6.8.”
Wikipediadelvist
function_profile.biotic_interactions
[{"taxa":["flies"],"basis":"documented","valence":"beneficial","relation":"attracts","confidence":"high","evidence_quote":"The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.","o…“The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.”PFAF“They require quite a lot of attention to protect them from pests such as slugs, aphids and birds.”PFAF“In wet weather they are likely to develop fungal diseases.”Wikipediadelvist“Commercially sold romaine lettuce has occasionally been the subject of product warnings by both U.S. and Canadian health authorities warning that consumer supplies can become contaminated with or host pathogenic E. coli bacteria.”
function_profile.aromatic_pest_effect.value
false
AI-estimat80 % enig
function_profile.aromatic_pest_effect.confidence
high
AI-estimatikke målt endnu
function_profile.structural_interfaces.provides_shelter.basis
inferred
AI-estimatikke målt endnu
function_profile.structural_interfaces.provides_shelter.confidence
medium
AI-estimatikke målt endnu
function_profile.structural_interfaces.requires_shelter.basis
documented
AI-estimatikke målt endnu
function_profile.structural_interfaces.requires_shelter.kinds
shade“Early and late sowings are best in a sunny position, but summer crops are best given a position with some shade in order to slow down the plants tendency to go to seed and to prevent the leaves becoming bitter.”
function_profile.structural_interfaces.requires_shelter.confidence
medium
AI-estimatikke målt endnu
function_profile.structural_interfaces.requires_shelter.evidence_quote
Early and late sowings are best in a sunny position, but summer crops are best given a position with some shade in order to slow down the plants tendency to go to seed and to prevent the leaves becoming bitter.
AI-estimatikke målt endnu
function_profile.structural_interfaces.provides_physical_support.basis
taxonomic
AI-estimatikke målt endnu
function_profile.structural_interfaces.provides_physical_support.confidence
high
AI-estimatikke målt endnu
function_profile.structural_interfaces.requires_physical_support.basis
taxonomic
AI-estimatikke målt endnu
function_profile.structural_interfaces.requires_physical_support.confidence
high
AI-estimatikke målt endnu
climate_tolerance.photoperiod_response
long_day
AI-estimatikke målt endnu
soil_interactions.organic_matter_contribution
low
AI-estimatikke målt endnu
component_metadata.growth_cycle
annual“Lettuce (Lactuca sativa) is an annual plant of the family Asteraceae mostly grown as a leaf vegetable.”
resource_interfaces.inputs
[{"resource":"light","quantity_description":"sunny position for early and late sowings; some shade for summer crops"},{"resource":"shade","quantity_description":"grows in semi-shade or no shade"},{"resource":"water","…“Early and late sowings are best in a sunny position, but summer crops are best given a position with some shade in order to slow down the plants tendency to go to seed and to prevent the leaves becoming bitter.”PFAF“It can grow in semi-shade (light woodland) or no shade.”PFAF“The species is hermaphrodite (has both male and female organs) and is pollinated by Flies.”PFAFdelvist“It prefers moist soil.”
resource_interfaces.outputs
[{"resource":"seeds","quantity_description":"seeds ripen August to September"}]“the seeds ripen from August to September”