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legume definition biology

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legume definition biology

Stems of legumes vary in woodiness and size, but their leaves are all distinctly reticular. This is the British English definition of legume.View American English definition of legume.. Change your default dictionary to American English. Legumes produce a botanically unique type of fruit – a simple dry fruit that develops from a simple carpel and usually dehisces Concentrating on his company, from 1932 to 1933 he invested over 1 million dollars in research on soybeans. [14], The type of crop(s) grown or animal rearing will be dependent on the farming system, either vegetables, tubers, grains, cattle etc. Many organisms cannot utilize the nitrogen in the atmosphere. The protein content is about 2-3 times more than cereals. any table vegetable of the legume family. It is what people are most familiar with when mentioning legumes. Infestation of plants starts from germination through to harvest, and they can destroy an entire crop in early stage. Pulses NES (code 0211), Minor pulses, including: This page was last edited on 5 December 2020, at 03:05. These are grown mainly for their protein, vegetable oil and ability to uphold soil fertility. When a legume plant dies in the field, for example following the harvest, all of its remaining nitrogen, incorporated into amino acids inside the remaining plant parts, is released back into the soil. Search br. ... Any self-respecting pub quiz bore will tell you a peanut is a legume, a relative of the pea. [32][33], Sixty-eighth session of the United Nations General Assembly, Food and Agriculture Organization of the United Nations, "Genetic diversity patterns and domestication origin of soybean", "Nutrition facts for Chickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt, 100 g, USDA Nutrient Database, version SR-21", "Resistant starch: promise for improving human health", "A perspective on vegetarian dietary patterns and risk of metabolic syndrome", "Effect of dietary pulses on blood pressure: a systematic review and meta-analysis of controlled feeding trials", "Effect of dietary pulse intake on established therapeutic lipid targets for cardiovascular risk reduction: a systematic review and meta-analysis of randomized controlled trials", "The Nitrogen cycle and Nitrogen fixation", "The number of known plants species in the world and its annual increase", "Absolute diversification rates in angiosperm clades", "International Year of Pulses 2016 - IYP2016", "Legume biology: the basis for crop improvement", Physicians Committee for Responsible Medicine, An Essay on Abstinence from Animal Food, as a Moral Duty, Moral Inquiries on the Situation of Man and of Brutes, Thirty-nine Reasons Why I Am a Vegetarian, Why We Love Dogs, Eat Pigs, and Wear Cows, https://en.wikipedia.org/w/index.php?title=Legume&oldid=992407256, Creative Commons Attribution-ShareAlike License. The most well-known legumes are peas, beans, peanuts, and alfalfa (we have a full list below). https://doi.org/10.1006/rwgn.2001.1642, Legumes and Pulses. Edible beans are rich in protein and are used worldwide for cooking in either fresh or dried form. Plant Biologythe pod or seed vessel of such a … Phaseolus plant produces phytohaemagglutinin (lectins) that is extracted for its erythrocyte and leukocyte agglutination and mitogenic effects. Conversely, certain bacteria and archaea can directly use it. Learn more about the physical and nutritional characteristics of beans and some of the economically important species and varieties. countable noun People sometimes use legumes to refer to peas, beans, and other related vegetables. There are about 70 species included in this genus. Hence, legumes are among the best sources of plant protein. Apart from serving as food, they also fulfill a role in crop rotation. Rhizobium can be pathogenic as well as non-pathogenic. Some legumes are important in the industry. A legume is a simple, dry fruit that is contained within a shed or a pod. Some, like alfalfa, clover, vetch (Vicia), stylo (Stylosanthes), or Arachis, are sown in pasture and grazed by livestock. Many of them are planted as ornamental trees for their aesthetic blooms. It is what people are most familiar with when mentioning legumes. In many traditional and organic farming practices, crop rotation involving legumes is common. They are characterized by having a legume-type of fruit (or pod) and compound, stipulate leaves. (Ref.3) Caesalpinioideae are commonly referred to as the peacock flower subfamily. A single cell is able to keep itself functional through its 'mi.. (2001). one used for feed, food, or as a soil-improving crop. (Ref.5). The fruits come in a variety of sizes and shapes; many, however, are long and narrow and bear their seeds in a single line. Grain legumes are grown in coconut (Cocos nuficera) groves in two ways: intercropping or as a cash crop. Phytotaxa, 261(3), 201–217. Legume trees like the locust trees (Gleditsia, Robinia) or the Kentucky coffeetree (Gymnocladus dioicus) can be used in permaculture food forests. https://www.hsph.harvard.edu/nutritionsource/legumes-pulses/. (Ref.2) Etymology: Latin “legūmen”, meaning “bean”. (2020). It can also pertain to the fruit or the seed of the Leguminosae family. Pea weevil and bean weevil damage leaf margins leaving characteristics semi-circular notches. ; rust caused by Uromyces striatus; sclerotina crown and stem rot caused by Sclerotinia trifoliorum; Southern blight caused by Sclerotium rolfsii; pythium (browning) root rot caused by Pythium spp. The legume family is comprised of the subfamilies (1) Caesalpinioideae, (2) Mimosoideae, and (3) Faboideae (syn. To be precise, it is a type of simple dry fruit. Some Fabaceae, such as Scotch broom and other Genisteae, are leguminous but are usually not called legumes by farmers, who tend to restrict that term to food crops. For that reason, they play a key role in crop rotation. [31], The International Year of Pulses 2016 (IYP 2016) was declared by the Sixty-eighth session of the United Nations General Assembly. Legumes are notable in that most of them have symbiotic nitrogen-fixing bacteria in structures called root nodules. Legumes are grown agriculturally, primarily for human consumption, for livestock forage and silage, and as soil-enhancing green manure. They are high in protein and fiber while low in fat. In essence, the word “legume” has another meaning in biology. Some tropical legumes that are closely self-pollinated are: Macroptilium atropurpureum 'Siratro', Macroptilum lathyroides, Centrosema pubescens, Neonotonia wightii, and Lotononis bainesii. Definition of legume. Legumes are grown agriculturally, primarily for human consumption, for livestock forage and silage, and as soil-enhancing green manure. In cattle rearing, legume trees such as Gliricidia sepium can be planted along edges of field to provide shade for cattle, the leaves and bark are often eaten by cattle. When the war came, supply routes were disrupted, which encouraged the soybean culture in the US. They are an excellent example of the way species' gene p.. Peas and beans get by with more than a little help from friends, Increased CO2 Levels Are Mixed Blessing For Agriculture, Stoichiometric response of nitrogen-fixing and non-fixing dicots to manipulations of CO2, nitrogen, and diversity, Folates more effective in limiting Alzheimer’s disease risk than antioxidants, other nutrients, Replacing Some Carbohydrates With Protein And Unsaturated Fat May Enhance Heart Health Benefits. (Ref.4) Similar to a legume that pertains to the plant or the fruit (or seed) of such a plant, a bean could likewise be the plant itself or the seed of such a plant. [3] The soybean was first domesticated around 5,000 years ago in China from a descendant of the wild vine Glycine soja. noun topics legume -noun See definition in Dictionary biology seed that grows in pod. [11] There is evidence that a portion of pulses (roughly one cup daily) in a diet may help lower blood pressure and reduce LDL cholesterol levels, though there is a concern about the quality of the supporting data. Related terms for 'legume': aduki bean, adzuki bean, bean, bean curd, bean sprouts, black-eyed bean, broad bean, butter bean, chickpea, cocoa bean ... Blog. When the flower is opened, this is the only time fertilization will take place. [5] Leguminosae is an older name still considered valid,[6] and refers to the l fruit of these plants, which are called legumes. [21] However, continuous cropping after 3–4 years decrease grain yields significantly. A legume (/ˈlɛɡjuːm, ləˈɡjuːm/) is a plant in the family Fabaceae (or Leguminosae), or the fruit or seed of such a plant. BioProcess International™ Glossary. Biology Dictionaries. Legume, also called pod, fruit of plants in the pea family ( Fabaceae ). No, not THAT bean Secondly, the storage moisture content will decrease if temperature is reduced by 1 degree Celsius. These are all classified as biotic problems. https://www.biotaxa.org/Phytotaxa/article/view/phytotaxa.261.3.1/20598, What is a Pulse? It is characteristic of family Leguminosae (Pea, Gram etc). (B) Follicle Celotropis. Definition of LEGUME (noun): seed that grows in pod. Various legume species are farmed for timber production worldwide, including numerous Acacia species and Castanospermum australe. Plant Biology, British Terms the plant itself. Legumes produce a botanically unique type of fruit – a simple dry fruit that develops from a simple carpel and usually dehisces (opens along a seam) on two sides. The seed is also called a pulse. Grain legumes include beans, lentils, lupins, peas, and peanuts. Apart from this genus, though, the seeds of other related plants are also called “beans”, such as soybeans, broad beans, adzuki beans, etc. Biology Online Editors. Legume a member of the pea family (Fabaceae) that possesses root nodules containing nitrogen-fixing bacteria. Many legumes contain symbiotic bacteria called Rhizobia within root nodules of their root systems (plants belonging to the genus Styphnolobium are one exception to this rule). Legumes are seeds, fruits, or plants that are normally known for their high protein, carbohydrate, and fat content. [25][26], Seed viability decreases with longer storage time. [12][13], Forage legumes are of two broad types. Legumes are sometimes referred to as "green manure". any of a large family (Leguminosae) of plants with nodules on their roots that contain nitrogen-fixing bacteria, including important food and forage plants such as peas, beans, alfalfas, and clovers. Example :Pea, Bean, Pulses. Legume-based feeds improve animal performance compared to a diet of perennial grasses. Two rules apply to moisture content between 5 and 14 percent: the life of the seed will last longer if the storage temperature is reduced by 5 degree Celsius. legume meaning: 1. a plant that has its seeds in a pod, such as the bean or pea 2. a plant that has its seeds in a…. Examples are kudzu, gorse, Lupinus sp., Robinia pseudoacacia, and Cytisus scoparius. Examples include peas, beans, kudzu, peanuts, and carob. Legumes. Factors to which this is attributed are larger consumption, faster digestion and higher feed conversion rate. [28] Black bean aphids are a serious pest to broad beans and other beans. One of the distinctive features of the members of this subfamily is the “papilionoid” (butterfly-like) floral morphology: two wing petals, two keel petals, and one standard petal. Legumes can either be self-pollinated or cross-pollinated. 1 a : the fruit or seed of plants of the legume family (such as peas or beans) used for food. the pod or seed vessel of such a plant. ; fusarium wilt caused by Fusarium oxysporum; root knot caused by Meloidogyne hapla. (A) Legume or Pod Beans. These two species' characteristics vary in morphology and ruggedness.[17].

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