It belongs to the family of asteraceae which comprises between 23,000 and 30,000 species and is thought to be the largest family of plants bayer and starr, 1998. Lactuca sativa article about lactuca sativa by the free. This page was last edited on 15 august 2019, at 15. Wild lettuce commonly refers to the wildgrowing relatives of common garden lettuce. Lettuces are made up of over 95 per cent water, but contribute other essential components of our diet such. Lactuca sativa lettuce, garden lettuce pfaf plant database. Lactuca sativa capitata synonyms, lactuca sativa capitata pronunciation, lactuca sativa capitata translation, english dictionary definition of lactuca sativa capitata. Lettuce is cultivated worldwide, and is one of the most consumed green leafy vegetables in the raw form for its taste and high nutritive value. Lactuca sativa capitata definition of lactuca sativa. Lactuca sativa lettuce seedlings in mild climate, the seeds can be sown in the final location or on seed trays and then transplanted. A taxonomic species within the family asteraceae garden lettuce.
Fresh leaves are an excellent source of several vitamin a and beta carotenes as well as a rich source of vitamin k, vitamin c, and folates, while also containing lots of minerals like iron, calcium, magnesium, and potassium, which are very essential for body metabolism. Lettuce using sa 1 mm and 3 mm during reduced leaf water potential. Few salad vegetables exceed lettuce in popularity, and you should have little difficulty in growing it. However, it is not a legal authority for statutory or regulatory purposes.
In this study, antinociceptive and antiinflammatory activities of a crude methanolpetroleum ether 7030, vv extract of the seeds have been evaluated. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lactuca sativa garden lettuce is a popular salad herb. For warm climate regions, it is recommended to sow in a nursery where the environment is cooler, as the seeds can become dormant at higher temperatures, resulting in low germination rates. The hydroalcoholic extract hae of lettuce and its water fraction wf, ethyl acetate fraction eaf, and nbutanol fraction nbf were administrated ip to mice 30 min before the pentobarbital injection. Lettuce lactuca sativa is an annual plant of the daisy family, asteraceae. Genus name comes from the latin word lac meaning milk in obvious reference to the milky plant sap. This fast growing cool season annual is relished for its crisp heads of tasty sweet foliage. One variety, the woju ts, or asparagus lettuce celtuce, is grown for. Ars germplasm resources information network lasa3 calphotos lasa3 integrated taxonomic information system lasa3. Plant in the spring or fall when temperatures are still cool lettuce bolts in warm.
Lettuce is a globally important leafy vegetable with the united states being the largest world producers. Lettuce lactuca sativa is a valuable crop in the united states and worldwide. Owngrown premium kopfsalat samen lactuca sativa, kopfsalatsamen zum anbauen, saatgut fur rund 250 kopfsalat pflanzen sorte maikonig kostenloser. Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps. Pilot study of the efficacy and safety of lettuce seed oil. Department of agriculture agricultural research service. Xxvii international horticultural congress ihc2006. Romaine is the most upright growing of the four major types of lettuce. Heads numerous and small, with yellowish corolla w. Data source and references for lactuca sativa garden.
The name lactuca sativa is derived from the lactis, meaning milk. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Lettuce lactuca sativa l overview lettuce lactuca sativa l. Ultraviolet uv radiation is an energetic driver of numerous. Home profile page data source and documentation for lactuca sativa l. Potentiating effects of lactuca sativa on pentobarbital. On the other hand both could have been descended from the same unknown original hybrid stand. Keep leaves dry in order to prevent powdery mildew and fungal infections 4. Although the exact origins of the lettuce are unknown it was certainly known to the greeks and romans, and has been grown in britain since at least the middle of the sixteenth century. It is in flower from july to august, and the seeds ripen from august to september. In this study, we isolated the hsp70 members from lactuca sativa database, a total of 5 hsp70 members with completed open reading frame orf were selected and further analysized. Bankole and others published influence of salicylic acid on the growth of lettuce. It also serves as an important reference species for research on the compositae, one of the most diverse and successful families of angiosperm plants.
Lettuce lactuca sativa snp genotyping array 1b520367. Owngrown premium kopfsalat samen lactuca sativa amazon. The genus includes at least 50 species, distributed worldwide, but mainly in temperate eurasia its bestknown representative is the garden lettuce lactuca sativa, with its many varieties. Growing fresh crispy lettuce in the garden is as easy as 123 if you have good soil and the right climate. Lactuca sativa has many cultivars, which are usually treated as varieties. Water stress, salicylic acid, growth, lactuca sativa. It forms within the genus lactuca a somewhat isolated genetic compatibility group with three wild species that also have nine pairs of chromosomes, l. It is now the most important leafy salad vegetable. Prickly lettuce is thought to represent an older form of its close relative garden lettuce because they crossbreed easily. English common name lettuce asian common names china. The genome size has been estimated by flow cytometry to be 2. Lactuca sativa has an annual, tapshaped root, with a corymbose stem, 2 or 3 feet in height, and suborbicular leaves.
Recently, we showed that in the crop species lactuca sativa, exposing. Lactuca sativa plant finder missouri botanical garden. Pdf chemical constituents from seeds of lactuca sativa. Lactuca sativa capitata distinguished by leaves arranged in a dense rosette that develop into a compact ball head lettuce butterhead lettuce.
Pdf influence of salicylic acid on the growth of lettuce lactuca. Gardeners can choose looseleaf varieties that do not form heads or grow iceberg lettuces that form a head of tightly overlapping leaves. For the spring crop, start seed indoors in flats or pots in a sunny, cool 50 to 60f. A historical survey is made of the distribution of the groups of lactuca cultivars over the world. Success in producing a steady supply of fresh, crisp leaves, rich in vitamin a, depends to a great extent upon an understanding of the habits of this plant. The species is hermaphrodite has both male and female organs. Starr1503260889lactuca sativaseveral varieties in hydroponics greenhouse with kimtown sand islandmidway atoll 24640303483. Lactuca sativa annual or perennial garden plant having succulent leaves used in salads. Red leaf lettuce is a sweet and very delicately textured and flavored lettuce. Some of these types are composed by the lettuce romana, iceberg, trocadero, baby roman, etc.
Lactuca serriola prickly lettuce pfaf plant database. Identification and characterization of hsp70 from lactuca. Red leaf lettuce, health benefits and nutritional value. Cultivated lettuce is believed to have been domesticated in the mediterranean region from the wild species. Here we present a reference assembly for the species and family. Data source and references for lactuca sativa garden lettuce from the usda plants database. Lactuca, commonly known as lettuce, is a genus of flowering plants in the daisy family, asteraceae. Lactuca sativa synonyms, lactuca sativa pronunciation, lactuca sativa translation, english dictionary definition of lactuca sativa. Reproduced from the series plant resources of southeast asia, by kind permission of the prosea foundation, bogor, indonesia. It is in flower from july to september, and the seeds ripen from august to september. Lettuce is certainly familiar to everyone as a vegetable, but not so many people are aware that it is related to. We hereby suggest a rb ratio of 3 for sustainable indoor lettuce cultivation. Probably no fault is more universal than sowing lettuce seed too thickly.
The record derives from tica data supplied on 20120211 which reports it as an accepted name record b4e03b98ee4e40129ec0828429990e8e with original publication details. In folk medicine of iran, the seeds of this plant were used for relieving of inflammation and osteodynia. Influence of salicylic acid on the growth of lettuce lactuca sativa. Lactuca sativa in the germplasm resources information network grin, u. Leaves of the species contain vitamins a, b9, c, and k and can be eaten as a salad. Paldat is the worlds largest database for palynological data. Lettuce types include romaine, butter head, iceberg, and loose leaf. Lactuca sativa lettuce is a member of compositae family. Related plants aerostar amish speckled butterhead arianna bentley bionda delle sette lune blade breen. Lactuca sativa lettuce is the most important crop in the group of leafy vegetables. It has been in use in folk medicine since ancient times as both an appetite stimulant and as an aid to sleep. This cylindricallyhearted lettuce known to the romans as cappadocian lettuce is now called roman lettuce or more commonly, romaine. Files are available under licenses specified on their description page.
Lactuca sativa definition of lactuca sativa by the free. The present study was planned to investigate sleepprolonging effect of this plant. Resource use efficiency of indoor lettuce lactuca sativa l. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. All structured data from the file and property namespaces is available under the creative commons cc0 license. The genotyping array uses single feature polymorphism sfp markers with applications in quantitative. Lactuca sativa was first known in cultivation in ancient egypt. Lactuca sativa was an important leaf vegetable in the world, but thermol stress seriously restricted its production. Traditionally, lactuca sativa lettuce has been recommended for its hypnotic property. Prickly lettuce, lactuca serriola flowers naturegate.
In the flats, the seed should be thinly sown and the seedlings thinned just as soon as the leaves touch. Lettuce lactuca sativa is a major crop and a member of the large, highly successful compositae family of flowering plants. The species is hermaphrodite has both male and female organs and is pollinated by flies. Analgesic and antiinflammatory activity of lactuca sativa. How to grow lettuce lactuca sativa lettuce is an ideal crop for beginner growers and seed savers alike. Lettuce generally remains pestfree, although snails and slugs hide under the cover of darkness and chew leaves, weakening the plant. This plant also has excellent medicinal properties. Lettuces can be grouped in four botanical varieties, although some other types are distinguished in marketing, according to the sprouting, the type of leaves, the colour, etc. Growth, yield and quality response to nitrogen fertilization in a noncirculating hydroponic system, journal of plant nutrition, doi.
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