Echinochloa esculenta

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Echinochloa esculenta
Japanese barnyard millet.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Genus: Echinochloa
Species:
E. esculenta
Binomial name
Echinochloa esculenta
(A.Braun) H.Scholz
Synonyms [1]

Echinochloa crus-galli subsp. utilis(Ohwi & Yabuno) T.Koyama
Echinochloa crus-galli var. utilis(Ohwi & Yabuno) Kit.
Echinochloa utilisOhwi & Yabuno
Panicum esculentumA.Braun

Contents

Echinochloa esculenta or Echinochloa utilis is a type of millet originating from East Asia, and is part of the Poaceae family, making it a grass. [2] E. esculenta is colloquially known as Japanese millet, but possesses many other names, such as: Japanese barnyard millet, marsh millet, Siberian millet, and white millet. [3] Its primary usage in the USA is for forage and for wildlife habitats. In Japan, Korea and northeastern China, the millet is grown on a small scale primarily for fodder. Japanese millet is not a main cereal crop, and is therefore considered an alternative crop.

Echinochloa spp. are generally considered to be short-lived, tropical short-day C4 plants that possess high vitality in humid conditions. Seeding is done in spring and flowering takes place in mid summer. Species from this genus show strong adaptation to soils with poor drainage and low fertility. [3]

Etymology

Echinochloa esculenta from the Seikei Zusetsu agricultural encyclopedia Leiden University Library - Seikei Zusetsu vol. 20, page 003 - Bai  - Echinochloa esculenta (A.Braun) H.Scholz, 1804.jpg
Echinochloa esculenta from the Seikei Zusetsu agricultural encyclopedia

Echinochloa is derived from Greek and means 'hedgehog-grass'. [4]

Esculenta means ‘fit to eat’, ‘edible [by humans]’, or ‘full of food'. [4]

Morphology

Echinochloa esculenta is a robust plant with a thick stem and a height ranging from 60 to 122 cm. Furthermore, the plant has smooth leaf sheaths that are 10-50 cm long and 7-25 mm wide. The plant appears mostly green but shows light to dark purple pigmentation in various plant parts. The color of the inflorescence ranges from brown to purple. [5]

History

Japanese barnyard millet, along with the adzuki bean,[ clarification needed ] holds a unique place in Japan's cultural history. These two crops are the only plants mentioned in Japan’s two oldest authentic texts, the Kojiki and Nihon Shoki, compiled in 712 and 720 AD, respectively. According to these texts, these crops grew out of the dead body of a god, underscoring their mythical significance. Historical records and archaeological evidence further highlight the long-standing importance of barnyard millet in Japanese society. [2]

One notable discovery illustrating its historical role was in the 12th century. [2] The powerful Fujiwara family had three members mummified and laid in coffins in the Golden Hall of Chusonji, a Buddhist temple in Hiraizumi, Iwate Prefecture. In the coffin of Hidehira, one of the family members, 1.8 liters of unhulled barnyard millet grains were found scattered at its base, possibly used as pillow stuffing. Since Hidehira died in 1187, this discovery provides evidence of the grain's use during that time. Furthermore, family documents of the Nanbu feudal lords list varietal names of 29 early, 29 medium, and 44 late-maturing types of Japanese barnyard millet, reflecting its agricultural diversity and importance. [2]

Barnyard millet was a staple food crop in Japan until the 1860s, prized for its adaptability to unfavorable climates and soil conditions. It was often grown alongside foxtail millet, buckwheat, Proso millet, and soybean. The millet played a crucial role in sustaining populations during periods when rice production suffered due to cold temperatures, as it thrived where paddy rice could not. However, the introduction of cold-resistant rice varieties in later years, particularly after advancements highlighted by researchers such as Yabun (1987), led to a decline in its cultivation. [2]

The decline of barnyard millet was evident in the significant reduction of its planting acreage. In 1880, 103,600 hectares were devoted to its cultivation, but by 1969, this number had plummeted to just 5,090 hectares. [2] Currently, its cultivation is limited mainly to the northern regions of Iwate Prefecture. This reduction is primarily attributed to the development of superior rice varieties, which gradually replaced millet as a staple crop. Despite its diminished role today, Japanese barnyard millet remains an important symbol of resilience and adaptability in the country’s agricultural history. [2]

Cultivation

Echinochloa esculenta is a warm season quick growing grass which can be cut for hay within 50 days of planting. It can be harvested up to 8 times a year. [3] The average yield is 165kg/ 10 acres. Echinochloa esculenta’s strength is that it can be cultivated in upland and paddy fields which are not suitable for paddy rice cultivation. The grain is also optimal for storage due to the tight coating of lemma and palea. [2] The crop is grown around the world for various uses, however, India is among one of the biggest. [5] Looking into the development of the crop approximately 120 cultivars are grown at the Northeast Agricultural Experiment Station in Japan. [2]

Management

For optimal growth, the USDA recommends growing Japanese Millet without companion plants. It is a hardy and robust plant which requires minimal input once well established. Additionally, it should grow to 50 cm before being cut, however, it can withstand repeated cuttings. To terminate the plant it should be undercut or mowed, furthermore it can not handle fire. [6]

In Australia it is produced as a short-term rotating crop, used for grazing land during spring and early summer. Can be cultivated within a short time (2-3 months). [3]

Stress Resistance

Biotic stressors

The cultivated species E. esculenta and E. frumentacea are widely threatened by pests and diseases. Examples of pests and diseases that cause damage to the millet are shoot flies (Atherigona sp.), stem borers, grain smut and loose smut. Heavy infestations of smuts were found to lead to a reduction in grain yield and quality when it occurs during head formation. However, there are certain accessions that showed immunity against both smut diseases. [5]

Abiotic stressors

Generally, Echinochloa species have a high tolerance towards various abiotic stressors. Especially in environments that are prone to drought or flooding, species of the Echinochloa family are often preferred. They were found to have higher water uptake efficiency compared to other minor millets. [5] [7]

Uses

Fodder yield of Japanese millet is about 6.3 tons/ha and contains 7.6% protein, 23% digestible fiber and 2% fat. Echinochloa esculenta and Echinochloa frumentacea are the two major species that are grown for human consumption and livestock feed in this genus. Compared to other major cereals, Echinochloa esculenta contains more micronutrients, especially iron and zinc. [5] All current strains are non-glutinous. [2]

Forage, Feed and Food

Currently, Japanese millet is commonly used as bird feed in Japan and often grown as forage in the United States. Due to the plant’s ability to grow in flooded soils, it is ideal to grow around ponds for the feed of waterfowls in their natural habitats. [2] [6]

The straw of Japanese millet is superior in terms of protein and calcium content compared to rice, oat or timothy straw. The grain is grown both for human consumption and for fodder. It has been found to have protein contents nearly twice as high as that of polished rice. [2]

Japanese millet is also used in traditional culinary foods and is part of “Gokoku”, which is a general term in Japanese to refer to five staple grains. [2]

Potential uses

In the future, Japanese millet could be used to advance abiotic stress resistance in other cereals, through similar mechanisms or genes. It might also have potential for uses as a phyto-extractor in soils contaminated by heavy metals due to its hyper accumulation nature. [5]

See also

Related Research Articles

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A cereal is a grass cultivated for its edible grain. Cereals are the world's largest crops, and are therefore staple foods. They include rice, wheat, rye, oats, barley, millet, and maize. Edible grains from other plant families, such as buckwheat and quinoa, are pseudocereals. Most cereals are annuals, producing one crop from each planting, though rice is sometimes grown as a perennial. Winter varieties are hardy enough to be planted in the autumn, becoming dormant in the winter, and harvested in spring or early summer; spring varieties are planted in spring and harvested in late summer. The term cereal is derived from the name of the Roman goddess of grain crops and fertility, Ceres.

<span class="mw-page-title-main">Millet</span> Group of grasses (food grain)

Millets are a highly varied group of small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Most millets belong to the tribe Paniceae.

<span class="mw-page-title-main">Finger millet</span> Species of grass

Finger millet is an annual herbaceous plant widely grown as a cereal crop in the arid and semiarid areas in Africa and Asia. It is a tetraploid and self-pollinating species probably evolved from its wild relative Eleusine africana.

<span class="mw-page-title-main">Paddy field</span> Flooded parcel of arable land used for growing semiaquatic rice

A paddy field is a flooded field of arable land used for growing semiaquatic crops, most notably rice and taro. It originates from the Neolithic rice-farming cultures of the Yangtze River basin in southern China, associated with pre-Austronesian and Hmong-Mien cultures. It was spread in prehistoric times by the expansion of Austronesian peoples to Island Southeast Asia, Madagascar, Melanesia, Micronesia, and Polynesia. The technology was also acquired by other cultures in mainland Asia for rice farming, spreading to East Asia, Mainland Southeast Asia, and South Asia.

<span class="mw-page-title-main">Pearl millet</span> Species of cultivated grass

Pearl millet is the most widely grown type of millet. It has been grown in Africa and the Indian subcontinent since prehistoric times. The center of diversity, and suggested area of domestication, for the crop is in the Sahel zone of West Africa. Recent archaeobotanical research has confirmed the presence of domesticated pearl millet on the Sahel zone of northern Mali between 2500 and 2000 BC. 2023 was the International Year of Millets, declared by the United Nations General Assembly in 2021.

<span class="mw-page-title-main">Smut (fungus)</span> Reproductive structure of fungi

The smuts are multicellular fungi characterized by their large numbers of teliospores. The smuts get their name from a Germanic word for 'dirt' because of their dark, thick-walled, and dust-like teliospores. They are mostly Ustilaginomycetes and comprise seven of the 15 orders of the subphylum. Most described smuts belong to two orders, Ustilaginales and Tilletiales. The smuts are normally grouped with the other basidiomycetes because of their commonalities concerning sexual reproduction.

<i>Digitaria exilis</i> Species of grass

Digitaria exilis, referred to as findi or fundi in areas of Africa, such as The Gambia, with English common names white fonio, fonio millet, and hungry rice or acha rice, is a grass species. It is the most important of a diverse group of wild and domesticated Digitaria species known as fonio that are harvested in the savannas of West Africa. The grains are very small. It has potential to improve nutrition, boost food security, foster rural development and support sustainable use of the land. Despite its valuable characteristics and widespread cultivation, fonio has generally received limited research and development attention, which is also why the species is sometimes referred to as an underutilized crop.

<span class="mw-page-title-main">Foxtail millet</span> Species of grass

Foxtail millet, scientific name Setaria italica, is an annual grass grown for human food. It is the second-most widely planted species of millet, and the most grown millet species in Asia. The oldest evidence of foxtail millet cultivation was found along the ancient course of the Yellow River in Cishan, China, carbon dated to be from around 8,000 years before present. Foxtail millet has also been grown in India since antiquity.

<i>Echinochloa frumentacea</i> Species of grass

Echinochloa frumentacea is a species of Echinochloa. Both Echinochloa frumentacea and E. esculenta are called Japanese millet. This millet is widely grown as a cereal in India, Pakistan, and Nepal. Its wild ancestor is the tropical grass Echinochloa colona, but the exact date or region of domestication is uncertain. It is cultivated on marginal lands where rice and other crops will not grow well. The grains are cooked in water, like rice, or boiled with milk and sugar. Sometimes it is fermented to make beer. While also being part of staple diet for some communities in India, these seeds are, in particular, eaten during religious fasting. For this reason, these seeds are commonly also referred to as "vrat ke chawal" in Hindi. Other common names to identify these seeds include oodalu (ಊದಲು) in Kannada, Shyamak (শ্যামাক) or Shyama Chal in Bangla, jhangora in the Garhwal Hills, bhagar (भगर) in Marathi-speaking areas, samo or morio seeds in Gujarati, bonthasaamalu (బొంతసామలు) in Telugu, and kuthiraivaali (குதிரைவாளி) in Tamil.

<span class="mw-page-title-main">Echinochloa colona</span> Species of plant

Echinochloa colonum, commonly known as jungle rice, wild rice, deccan grass, jharua or awnless barnyard grass, is a type of wild grass originating from tropical Asia. It was formerly classified as a species of Panicum. It is the wild ancestor of the cultivated cereal crop Echinochloa frumentacea, sawa millet. Some taxonomists treat the two taxa as one species, in which case the domesticated forms may also be referred to as E. colonum.

<i>Echinochloa</i> Genus of flowering plants in the grass family

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<i>Echinochloa crus-galli</i> Species of plant

Echinochloa crus-galli is a type of wild grass originating from tropical Asia that was formerly classified as a type of panicum grass. It is commonly known as cockspur, barnyard millet, Japanese millet, water grass, common barnyard grass, or simply "barnyard grass". This plant can grow to 1.5 m in height and has long, flat leaves which are often purplish at the base. Most stems are upright, but some will spread out over the ground. Stems are flattened at the base. The seed heads are a distinctive feature, often purplish, with large millet-like seeds in crowded spikelets.

<span class="mw-page-title-main">Crop</span> Plant or animal product which can be grown and harvested

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Intensive crop farming is a modern industrialized form of crop farming. Intensive crop farming's methods include innovation in agricultural machinery, farming methods, genetic engineering technology, techniques for achieving economies of scale in production, the creation of new markets for consumption, patent protection of genetic information, and global trade. These methods are widespread in developed nations.

<i>Paspalum scrobiculatum</i> Species of grass

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References

  1. "Echinochloa esculenta (A.Braun) H.Scholz". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 25, 2020.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 Yabuno, T. Japanese barnyard millet (Echinochloa utilis, poaceae) in Japan. Econ Bot 41, 484–493 (1987). https://doi.org/10.1007/BF02908141
  3. 1 2 3 4 Lim, E. A., Lee, K. W., Choi, B. R., Park, H. S., Woo, J. H., Kim, D. I., & Lee, S. H. (2021). A Study on Features of Forage Barnyard Millet and Related Research Trends. Journal of The Korean Society of Grassland and Forage Science, 41(3), 217-222.
  4. 1 2 Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN   9780521866453 (hardback), ISBN   9780521685535 (paperback). p 149, 158
  5. 1 2 3 4 5 6 Renganathan, V. G., Vanniarajan, C., Karthikeyan, A., & Ramalingam, J. (2020). Barnyard millet for food and nutritional security: Current status and future research direction. Frontiers in genetics, 11, 500.
  6. 1 2 Sheahan, C.M. 2014. Plant guide for Japanese millet (Echinochloa esculenta). USDA-Natural Resources Conservation Service, Cape May Plant Materials Center, Cape May, NJ.
  7. Zegada-Lizarazu, W., & Iijima, M. (2005). Deep root water uptake ability and water use efficiency of pearl millet in comparison to other millet species. Plant production science, 8(4), 454-460.