|Pistum sativum - the garden pea plant, a botanical illustration|
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- Cultivation: Easy-To-Grow, For-Gardeners
- Light: Sun
- Soil: Rich
- pH: 7
- Moisture: Medium, Well-Drained
- Form: Herbaceous
- Habit: Annual
- Flower: Medium, Small, Pink, White
- Fruit/Seed: Medium, Seed, Green
- Foliage: Leaves, Green
- Uses: Edible, Industrial
A pea is most commonly the small spherical Seed or the seed-pod of the Pod fruit Pisum sativum. Each pod contains several peas. Peapods are botanically a Fruit, since they contain seeds developed from the ovary of a (pea) flower. However, peas are considered to be a Vegetable in cooking. The name is also used to describe other edible seeds from the Fabaceae such as the Pigeon pea (Cajanus cajan), the Cowpea (Vigna unguiculata), and the seeds from several species of Lathyrus.
P. sativum is an Annual plant, with a life cycle of one year. It is a cool season crop grown in many parts of the world; planting can take place from winter to early summer depending on location. The average pea weighs between 0.1 and 0.36 grams. The species is used as a vegetable, fresh, frozen or canned, and is also grown to produce dry peas like the Split pea. These varieties are typically called field peas.
The wild pea is restricted to the Mediterranean basin and the Near East. The earliest archaeological finds of peas come from Neolithic Syria, Turkey and Jordan. In Egypt, early finds date from ca. 4800–4400 BC in the Nile delta area, and from ca. 3800–3600 BC in Upper Egypt. The pea was also present in Georgia in the 5th millennium BC. Farther east, the finds are younger. Peas were present in Afghanistan ca. 2000 BC, in Harappa, Pakistan, and in northwest India in 2250–1750 BC. In the second half of the 2nd millennium BC this pulse crop appears in the Gangetic basin and southern India.
DescriptionThe pea is a green, pod-shaped vegetable, widely grown as a cool season vegetable crop. The seeds may be planted as soon as the soil temperature reaches , with the plants growing best at temperatures of . They do not thrive in the summer heat of warmer temperate and lowland tropical climates but do grow well in cooler high altitude tropical areas. Many cultivars reach maturity about 60 days after planting. Generally, peas are to be grown outdoors during the winter, not in greenhouses. Peas grow best in slightly acidic, well-drained soils.
Pests and diseases
The pea leaf weevil (Latin: Sitona lineatus) is an insect that damages peas and other Pod fruits. It is native to Europe, but has spread to other places such as Alberta, Canada. They are about — long and are distinguishable by three light-coloured stripes running length-wise down the Thorax. The weevil Larvae feed on the Root nodules of pea plants, which are essential to the plant's supply of Nitrogen, and thus diminish leaf and stem growth. Adult weevils feed on the leaves and create a notched "c-shaped" appearance on the outside of the leaves.
In India, fresh peas are used in various dishes such as aloo matar (curried potatoes with peas) or matar paneer (Paneer cheese with peas), though they can be substituted with frozen peas as well. Peas are also eaten raw, as they are sweet when fresh off the bush. Split peas are also used to make Dhal, particularly in Guyana, and Trinidad, where there is a significant population of Indians.
Pea soup is eaten in many other parts of the world, including Northern Europe, parts of Middle Europe, Russia, Iran, Iraq and India. In Sweden it is called ärtsoppa, and is eaten as a traditional Swedish food which predates the Viking era. This food was made from a fast-growing pea that would mature in a short growing season. Ärtsoppa was especially popular among the many poor who traditionally only had one pot and everything was cooked together for a dinner using a tripod to hold the pot over the fire.
In Chinese cuisine, pea sprouts (豆苗; dòu miáo) are commonly used in stir-fries. Pea leaves are often considered a delicacy as well.
In Greece, Turkey, Cyprus, and other parts of the Mediterranean, peas are made into a stew with meat and potatoes.
In Hungary and Serbia, pea soup is often served with Dumplings and spiced with hot Paprika. In the United Kingdom, dried, rehydrated and mashed Marrowfat peas, known by the public as Mushy peas, are popular, originally in the north of England but now ubiquitously, and especially as an accompaniment to Fish and chips or Meat pies, particularly in fish and chip shops. Sodium bicarbonate is sometimes added to soften the peas. In 2005, a poll of 2,000 people revealed the pea to be Britain's 7th favorite culinary vegetable.
Processed peas are mature peas which have been dried, soaked and then heat treated (processed) to prevent spoilage—in the same manner as pasteurising. Cooked peas are sometimes sold dried and coated with Wasabi, Salt, or other spices.
Peas are high in fiber, Protein, Vitamins, Minerals, and Lutein. Dry weight is about one-quarter protein and one-quarter sugar. Pea seed peptide fractions have less ability to scavenge free radicals than Glutathione, but greater ability to chelate metals and inhibit Linoleic acid oxidation.
Peas in science
In the mid-19th century, Austrian scientist Gregor Mendel's observations of pea pods led to the principles of Mendelian genetics, the foundation of modern Genetics.
Peas in medicine
Some people are allergic to peas, as well as lentils.
According to etymologists, the term pea was taken from the Latin pisum, which is the latinisation of the Greek πίσον (pison), neut. of πίσος (pisos), "pea". It was adopted into English as the Noun pease (plural peasen), as in Pease pudding. However, by analogy with other plurals ending in -s, speakers began construing pease as a Plural and constructing the singular form by dropping the "s", giving the term "pea". This process is known as Back-formation.