Chegou a america latina no seculo xvi, atraves dos portugueses. Having economic importance in brazil bezerra neto et al. Wind in the production of lettuce in brazil lactuca sativa l. It has been in use in folk medicine since ancient times as both an appetite stimulant and as an aid to sleep. Evidence from egyptian tomb paintings indicates that it was cultivated before 4500 bc. It is cultivated as leaf vegetable sometimes for its seeds and stem. Files are available under licenses specified on their description page. Resistance to early flowering is an important attribute of lettuce cultivars adapted to tropical conditions. Information about the openaccess article stratification periods in seeds germination of lettuce lactuca sativa l. Thus, the current study focused on the qualitative changes of four lettuce varieties, namely alpha, parris island, graziella and lollo rossa, stored at 5.
In this investigation the concept of anthroponics and the underlying processes are explained, and an. It forms within the genus lactuca a somewhat isolated genetic compatibility group with three wild species that also have nine pairs of chromosomes, l. Provided by ars systematic botany and mycology laboratory. One of the exciting things about growing your own lettuce is that you can go out and pick as much as you want, when you want. Lettuce lactuca sativa is a member of the asteraceae family and is one of the most important salad crops leafy vegetable which is grown globally with the united states being the largest world.
Changes in the physicochemical properties of four lettuce. Comparacao do crescimento e desenvolvimento da alface lactuca sativa l. Encapsulated bioactive agents applied to the lactuca sativa l. Lactuca sativa lettuce, garden lettuce pfaf plant database. Flowering stems erect, slightly angular, medullary, green to yellow to whitish, glabrous, robust, densely leafy, branched in upper half. All structured data from the file and property namespaces is available under the creative commons cc0 license. Lactuca sativa is an annual plant belonging to daisy family asterceae. Lettuce lactuca sativa is an annual plant of the daisy family, asteraceae.
The hydroalcoholic extract hae of lettuce and its water fraction wf, ethyl. Firstly it was cultivated by ancient egyptians who turned it from a weed and seeds were used for producing oil, a food plant which is grown for its succulent leaves. Avaliacao do desempenho da cultura da alface lactuca sativa. Lactuca sativa garden lettuce is a popular salad herb. Rosette leaves oblong to obovate or elliptic or ovate, 5. Analgesic and antiinflammatory activity of lactuca sativa. Antioquia, bolivia, china, ecuador, ipcn, mesoamericana, missouri, nicaragua common names. It is thought most likely to have originated from a progenitor similar to l. Pdf lactuca sativa production in an anthroponics system. Lettuce facts, health benefits and nutritional value.
The experiment followed a completely randomized design crd, consisting of five repetitions. The institute of food and agricultural sciences ifas is an equal opportunity institution authorized to provide research, educational information and other services only to individuals and institutions that function with nondiscrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. It is in flower from july to august, and the seeds ripen from august to september. This page was last edited on 15 august 2019, at 15. Lactuca sativa lettuce is a member of compositae family. Disseminouse pela europa, juntamente com a expansao do imperio romano. This book depicts the general overview of lettuce lactuca sativa.
Allelopathic potential and phytochemical screening of. The enhancement of plant secondary metabolites content in. Jan 04, 2020 definition from wiktionary, the free dictionary. In this paper, we report on the polygenic inheritance of the number of days to flowering in two crosses among contrasting lettuce cultivars vitoria. Found in cultivation only in europe, north america and elsewhere, it has small, pale. Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps. Stratification periods in seeds germination of lettuce. In this study, antinociceptive and antiinflammatory activities of a crude methanolpetroleum ether 7030, vv extract of the seeds have been evaluated. Sep 19, 2010 a alface vegetais mais consumidos no mundo inteiro, e no brasil esse fato nao e diferente. Reproduced from the series plant resources of southeast asia, by kind permission of the prosea foundation, bogor, indonesia.
Keep leaves dry in order to prevent powdery mildew and fungal infections 4. You are viewing one of thousands of biographies click below. Crescimento e desenvolvimento da alface lactuca sativa l. A alface predominante no brasil do tipo crespa, liderando com 70% do mercado. Inheritance of bolting tendency in lettuce lactuca sativa l. Potentiating effects of lactuca sativa on pentobarbital.
Pdf production of lettuce seedlings lactuca sativa in. 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. Lettuce lactuca sativa production with effluent from a. Lettuce grows readily because all cultivated strains were obtained originally from the prickly lettuce l. Pdf perigos associados ao consumo da alface, lactuca sativa.
Most lettuces, even the heading ones, tolerate well the cutandcomeagain approach if you harvest the outer 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. Seeds of lactuca sativa, cultivar veronica, were used as model plant to evaluate the allelopathic potential of leaf extracts from amaranthus species. Keane, in genetic improvement of vegetable crops, 1993. Anthroponics is a recirculating soilless agriculture system that uses natural bacterial cycles to convert human biowaste into plant fertilizer. Each repetition corresponded to one petri dish 9 cm of diameter containing 30 seeds.
The name lactuca sativa is derived from the lactis, meaning milk. In folk medicine of iran, the seeds of this plant were used for relieving of inflammation and osteodynia. General information about lactuca sativa lacsa the cultivated salad plant, consumed since ancient times in the eastern mediterranean and western asia, and now worldwide. English common name lettuce asian common names china. The present study was planned to investigate sleepprolonging effect of this plant. This plant also has excellent medicinal properties. Lettuce cultivars may vary widely in the number of days necessary from sowing to inflorescence formation and flowering. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce generally remains pestfree, although snails and slugs hide under the cover of darkness and chew leaves, weakening the plant.
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