Lettuce lactuca sativa l overview lettuce lactuca sativa l. Lettuce types include romaine, butter head, iceberg, and loose leaf. This document is hs577, one of a series of the horticultural sciences department. Lactuca sativa anthocyanins antioxidant cyclooxygenase enzyme abstract lettuce lactuca sativa is an important leafy vegetable consumed fresh or in salad mixes. A taxonomic species within the family asteraceae garden lettuce. Scientific classification and etymology lettuce is a member of the asteraceae family, formerly known as the compositae family. Lettuce is also the most popular, commercially produced leafy vegetable world wide simko et al. How to grow lettuce lactuca sativa seed savers exchange. Small plants will develop at 4inch spacings, while 8 to 12 inches are required for larger romaine plants. An efficient agrobacteriummediated genetic transformation method of lettuce lactuca sativa l. A similar situation is found in lactuca sativa and l. Lettuce lactuca sativa is an annual plant of the daisy family, asteraceae. Scientific classification and etymology hamilton college.
It has been in use in folk medicine since ancient times as both an appetite stimulant and as an aid to sleep. Gardeners can choose looseleaf varieties that do not form heads or grow iceberg lettuces that form a head of tightly overlapping leaves. File number of the application allocated by the cpvo. In vitro evaluation of red and green lettuce lactuca sativa. For this purpose, lactuca sativa lettuce was cultivated on the soil amended with tio2 and fe3o4 0, 50, 100, 150, 200, and 250 mg kg1 over a period of 90 days. Lactuca sativa was found more sensitive to the applied allelopathic stress of c. In folk medicine of iran, the seeds of this plant were used for relieving of inflammation and osteodynia. In the study two butterhead lettuce cultivars and one of batavia lettuce cultivar lactuca sativa var.
This technical protocol applies to all varieties of lactuca sativa l. Lactuca sativa garden lettuce is a popular salad herb. Aug 01, 2001 view picture of lactuca, lettuce lactuca sativa at daves garden. Still and others published lettuce find, read and cite all the research you. The variety description shall be produced by the eo unless special cooperation exists between eos and the cpvo. Lettuce lactuca sativa origin lettuce is native to the mediterranean region and siberia. This technical protocol applies to all varieties of lactuca sativa l the protocol describes the technical procedures to be followed in order to meet the requirements of council regulation 210094 on community plant variety rights. Council and are based on general upov document tg and upov. Effects of temperature of motherplant environment on yield and.
Potentiating effects of lactuca sativa on pentobarbital. Hosted by the usgs core science analytics and synthesis. For the spring crop, start seed indoors in flats or pots in a sunny, cool 50 to 60f. Lettuce lactuca sativa is a valuable crop in the united states and worldwide. Objective description of variety lettuce lactuca sativa l. Lactuca sativa lettuce, garden lettuce pfaf plant database. Food production lettuce growth requires low temperatures so it does not flower too.
The enhancement of plant secondary metabolites content in. Effects of temperature of motherplant environment on yield and germination of seeds of lettuce lactuca sativa. Ifthe scope of dispersal codes as in botanical files is extended to europe, european d pdfcodes. We have compared the functional food properties of selected commercial red and green lettuce varieties grown under. Thousands of species are included in the large family. Lettuce lactuca sativa is an important leafy vegetable consumed fresh or in salad mixes. Genome assembly with in vitro proximity ligation data and. All structured data from the file and property namespaces is available under the creative commons cc0 license. 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. The experiment was carried out in the greenhouse with controlled microclimate. It is in flower from july to september, and the seeds ripen from august to september.
The species is hermaphrodite has both male and female organs and is pollinated by flies. Pdf polyphenolic profiles in lettuce lactuca sativa l. It is in flower from july to august, and the seeds ripen from august to september. Lactuca serriola prickly lettuce pfaf plant database. Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps. Its bestknown representative is the garden lettuce lactuca sativa, with its many varieties. The present study was planned to investigate sleepprolonging effect of this plant.
Here we present a reference assembly for the species and family. Lettuce grows readily because all cultivated strains were obtained originally from the prickly lettuce l. Soil salinity increased linearly with increasing salinity of irrigation water. Wild lettuce contains sesquiterpene lactones which are potentially allergenic. Encapsulated bioactive agents applied to the lactuca sativa l. Journal of herbal medicine and toxicology 1 2 4347 2007 biscaro ga et al. With an aphidicidal gene, pta pinellia ternata agglutinin.
Jun 10, 2011 lactuca sativa garden lettuce, a member of the compositae family, is a very popular salad herb in egypt. Organic medium ndash coconut fiber and mineral medium rockwool were compared to nutrient film technique growing system nft. The technical procedures have been agreed by the administrative. The hydroalcoholic extract hae of lettuce and its water fraction wf, ethyl. G19 occupational dermatitis has been documented for l. Ifthe scope of dispersal codes as in botanical files is extended to europe, european d pdf codes. Effect of electrical conductivity on the productivity and. Pdf the objective of this study was to determine the effect of nitrogen fertilization rate on growth and quality of leafy lettuce grown during the. Plant in the spring or fall when temperatures are still cool lettuce bolts in warm. Probably no fault is more universal than sowing lettuce seed too thickly. Allelopathic potential of cassia fistula against lactuca.
Effect of different growing media in hydroponic culture on. Lactuca sativa lactuca sativa 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. Lactuca sativa lettuce is a member of compositae family. Redl lollo rossa and redin having little red leaves.
The expression of a stress and salicylic acidinducible protein gene from tobacco, pr1a protein gene, was determined after its introduction to lettuce lactuca sativa l. Or, sow seed outside in a hotbed or cold frame, about four to six weeks before the last severe frost. Apr 12, 2017 lettuce lactuca sativa is a major crop and a member of the large, highly successful compositae family of flowering plants. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. G51 the toxicity of wild lettuce is stated to be low. This protocol applies for all varieties of lactuca sativa l. Provided by ars systematic botany and mycology laboratory. Pilot study of the efficacy and safety of lettuce seed oil in. It forms within the genus lactuca a somewhat isolated genetic compatibility group with three wild species that also have nine pairs of chromosomes, l.
The genus includes at least 50 species, distributed worldwide, but mainly in temperate eurasia. The family was originally referred to as compositae because the species all seemed to share a compact structure often. Ishs international symposium on growing media, soilless cultivation, and compost utilization in horticulture effect of electrical conductivity on the productivity and nutrient uptake of lactuca sativa l. This plant also has excellent medicinal properties. The technical procedures have been agreed by the administrative council.
Experiments on the production of two separate crops of lettuce seeds, each in three. Traditionally, lactuca sativa lettuce has been recommended for its hypnotic property. Genus name comes from the latin word lac meaning milk in obvious reference to the milky plant sap. Chemical constituents from seeds of lactuca sativa article pdf available in chemistry of natural compounds 484. Page designed through the cooperative efforts of interagency itis teams. This document is hs577, one of a series of the horticultural sciences department, ufifas extension. Biofortification of six varieties of lettuce lactuca sativa l. Metallic nanoparticle tio2 and fe3o4 application modifies. Allow enough space between plants for the size of plant desired. Hydroponics is a method of growing plants without soil. To file a complaint of discrimination, write to usda, director, office of civil rights, 1400 independence avenue, s.
Lactuca, commonly known as lettuce, is a genus of flowering plants in the daisy family, asteraceae. Lettuce lactuca sativa is one of the most commonly grown hydroponic vegetables. Plants may be grown in a nutrient solution only liquid culture or they may be supported by an inert medium aggregate culture. The impacts of tio2 and fe3o4 nps on the availability of naturally soilbound inorganic phosphorus pi to plants were studied along with relevant parameters. How to grow lettuce lactuca sativa lettuce is an ideal crop for beginner growers and seed savers alike. Pdf chemical constituents from seeds of lactuca sativa.