Pigeon pea
Pigeon pea | |
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Scientific classification | |
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Species: | C. cajan
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Binomial name | |
Cajanus cajan (L.) Millsp.
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The pigeon pea (Cajanus cajan) is a perennial legume from the family Fabaceae. Since its domestication in India at least 3,500 years ago, its seeds have become a common food grain in Asia, Africa, and Latin America. It is consumed on a large scale mainly in south Asia and is a major source of protein for the population of that subcontinent.
Common names
The pigeon pea is known by numerous names with different etymologies.
In the languages of India
- tubarika (तुबरिका) in Sanskrit
- togari bele (ತೊಗರಿ ಬೇಳೆ) in Kannada
- thuvaram paruppu (துவரம் பருப்பு) in Tamil
- thuvara parippu (തുവരപ്പരിപ്പ്) in Malayalam[1]
- tuver' (તુવેર) in Gujarati
- toor Dal (तूर डाळ) in Marathi
- toor dal (तूर दाल) or arhar dal (अरहर दाल), two equally popular names in Hindi. The original word in Hindi and other northern and eastern languages is arhar, but the southern toor has been widely accepted over the past century or so.
- orhor dal (অড়হর ডাল) in the Bengali language
- rohor dail (ৰহৰ দাইল) in Assamese
- rahar daal (रहर दाल) in Nepali
- harada dali in the Odia language
- kandi bedalu (కందిపప్పు) in Telugu
- behliang in the Zomi/Mizo language
- Towar or Tovar or Tover ki dal in common or widely spoken Hindi and Urdu in India
In other countries
- no-eye pea
- tropical green pea
- gungo pea in Jamaica
- gandule bean
- gandul / guandu in Latin America
- chícharo in Latin America
- "kumanda yvyra'i" Guaraní name in Paraguay
- arveja in Ecuador
- mgbụmgbụ
- gungo pea / gunga pea / Congo pea in Africa
- mzimbili mussa in Tanzania
- nandolo in Malawi
- fio-fio
- mbaazi in Kenya
- kadyos in Philippines
- quinchoncho in Venezuela
- "mbaazi" in Tanzania
Origins
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Cajanus_cajan.jpg/220px-Cajanus_cajan.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Cajanus_cajan_MHNT.BOT.2015.2.47.jpg/220px-Cajanus_cajan_MHNT.BOT.2015.2.47.jpg)
The cultivation of the pigeon pea goes back at least 3,500 years. The centre of origin is probably peninsular India, where the closest wild relatives (Cajanus cajanifolia) occur in tropical deciduous woodlands.[2] Archaeological finds of pigeon pea dating to about 3400 years ago (14th century BC) have been found at Neolithic sites in south India (Sanganakallu) and its border areas (Tuljapur Garhi in Maharashtra and Gopalpur in Orissa).[3] From India it traveled to East Africa and West Africa. There, it was first encountered by Europeans, so it obtained the name Congo Pea. By means of the slave trade, it came to the American continent, probably in the 17th century.[4]
Cultivation
Today, pigeon pea is widely cultivated in all tropical and semitropical regions of both the Old and the New Worlds. Pigeon peas can be of a perennial variety, in which the crop can last three to five years (although the seed yield drops considerably after the first two years), or an annual variety more suitable for seed production.
Pigeon pea is an important legume crop of rainfed agriculture in the semiarid tropics. The Indian subcontinent, eastern Africa and Central America, in that order, are the world's three main pigeon pea-producing regions. Pigeon peas are cultivated in more than 25 tropical and subtropical countries, either as a sole crop or intermixed with cereals, such as sorghum (Sorghum bicolor), pearl millet (Pennisetum glaucum), or maize (Zea mays), or with other legumes, such as peanuts (Arachis hypogaea). Being a legume capable of symbiosis with Rhizobia, the pigeon pea enriches soil through symbiotic nitrogen fixation.
The crop is cultivated on marginal land by resource-poor farmers, who commonly grow traditional medium- and long-duration (5–11 months) landraces. Short-duration pigeon peas (3–4 months) suitable for multiple cropping have recently been developed. Traditionally, the use of such input as fertilizers, weeding, irrigation, and pesticides is minimal, so present yield levels are low (average = 700 kg/ha). Greater attention is now being given to managing the crop because it is in high demand at remunerative prices.
Pigeon peas are very drought-resistant, so can be grown in areas with less than 650 mm annual rainfall. With the maize crop failing three out of five years in drought-prone areas of Kenya, a consortium led by the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) aimed to promote the pigeon pea as a drought-resistant, nutritious alternative crop. Successive projects encouraged commercialization of legumes, by stimulating the growth of local seed production and agro-dealer networks for distribution and marketing. This work, which included linking producers to wholesalers, helped to increase local producer prices by 20–25% in Nairobi and Mombasa. The commercialization of the pigeon pea is now enabling farmers to buy assets, ranging from mobile phones to productive land and livestock, and is opening pathways for them to move out of poverty.[5]
World production of pigeon peas is estimated at 4.98 million tons2. About 77% of this is grown in India. Africa is the secondary centre of diversity and at present it contributes about 21% of global production with 1.05 million tons. In Africa,Malawi,Tanzania, Kenya, Mozambique and Uganda are the major producers. These days it is the most essential ingredient of animal feed used in West Africa, especially in Nigeria, where it is also grown.
John Spence, a botanist and politician from Trinidad and Tobago, developed several varieties of dwarf pigeon peas which can be harvested by machine, instead of by hand.[6]
Uses
Pigeon peas are both a food crop (dried peas, flour, or green vegetable peas) and a forage/cover crop. In combination with cereals, pigeon peas make a well-balanced human food. The dried peas may be sprouted briefly, then cooked, for a flavor different from the green or dried peas. Sprouting also enhances the digestibility of dried pigeon peas via the reduction of indigestible sugars that would otherwise remain in the cooked dried peas.[7]
In India, split pigeon peas (toor dal) also called Kandhi pappu in Telugu, Togari bele in Kannada and Tuvaram paruppu in Tamil are one of the most popular pulses, being an important source of protein in a mostly vegetarian diet. In regions where it grows, fresh young pods are eaten as a vegetable in dishes such as sambar. In Ethiopia, not only the pods, but also the young shoots and leaves are cooked and eaten.[8]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Shelling_pigeonpeas%2C_Kenya.jpg/220px-Shelling_pigeonpeas%2C_Kenya.jpg)
In some places, such as the Caribbean coast of Colombia, Dominican Republic, Panama and Hawaii, pigeon peas are grown for canning and consumption. A dish made of rice and green pigeon peas (called moro de guandules) is a traditional food in the Dominican Republic. Pigeon peas are also made as a stew, with plantain balls. In Puerto Rico arroz con gandules is made with rice and pigeon peas and is a traditional dish. Trinidad and Tobago and Grenada have their own variant, called pelau, which includes either beef or chicken, and occasionally pumpkin and pieces of cured pig tail. In the Atlantico department of Colombia the sopa de guandú con carne salada (or simply "gandules") is made with pigeon peas.
Unlike in some other parts of the Greater Caribbean, in The Bahamas the light brown colored dried seeds of the pigeon pea plant are used (instead of the fresh green pigeon peas used elsewhere) to make the heartier, heavier, signature Bahamian staple dish "Peas 'n Rice." A slab of partially cubed or diced pork "fatback" lard with skin on (bacon is a common substitute), diced onions and sweet pepper, and a mixture of spices are all sauteed in the bottom of a deep pot. Tomatoes and tomato paste are added. Then water is added along with the peas and rice, and slow boiled until tender. The dish becomes a medium-dark brown color, resulting from absorbing the colors of the browned initial ingredients and the cooked tomato paste. The pigeon peas themselves absorb the same, becoming a much darker brown, providing some contrast while still complementing the distinctive "browned" theme of the dish.[9]
In Thailand, pigeon peas are grown as a host for scale insects which produce lac, the key ingredient in shellac.
Pigeon peas are in some areas an important crop for green manure, providing up to 90 kg nitrogen per hectare (Adu-Gyamfi et al., 2007) . The woody stems of pigeon peas can also be used as firewood, fencing and thatch.
Genome sequence
The pigeon pea is the first seed legume plant to have its complete genome sequenced. The sequencing was first accomplished a group of 31 Indian scientists from the Indian Council of Agricultural Research, it was then followed by a global research partnership, the International Initiative for Pigeonpea Genomics (IIPG), led by ICRISAT with partners such as BGI –Shenzhen (China), US research laboratories like University of Georgia, University of California-Davis, Cold Spring Harbor Laboratory, and National Centre for Genome Resources, European research institutes like the National University of Ireland Galway and also support from the CGIAR Generation Challenge Programme, US National Science Foundation and in-kind contribution from the collaborating research institutes.[10][11] It is the first time that a Consultative Group on International Agricultural Research (CGIAR)-supported Center such as ICRISAT led the genome sequencing of a food crop. There was a controversy over this as CGIAR did not partner with National team of scientist and broke away from the Indo American knowledge Initiative to parallelly start their own sequencing.[12]
Nutrition
Protein | Fiber | Vitamins | Minerals | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Q | A | B1 | B2 | B3 | B5 | B6 | B9 | B12 | Ch. | C | D | E | K | Ca | Fe | Mg | P | K | Na | Zn | Cu | Mn | Se | |||
cooking Reduction % | 10 | 30 | 20 | 25 | 25 | 35 | 0 | 0 | 30 | 10 | 15 | 20 | 10 | 20 | 5 | 10 | 25 | |||||||||
Corn | 20 | 55 | 6 | 1 | 13 | 4 | 16 | 4 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 11 | 31 | 34 | 15 | 1 | 20 | 10 | 42 | 0 |
Rice | 14 | 71 | 1.3 | 0 | 12 | 3 | 11 | 20 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 6 | 7 | 2 | 0 | 8 | 9 | 49 | 22 |
Wheat | 27 | 51 | 40 | 0 | 28 | 7 | 34 | 19 | 21 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 | 36 | 51 | 12 | 0 | 28 | 28 | 151 | 128 |
Soybean(dry) | 73 | 132 | 31 | 0 | 58 | 51 | 8 | 8 | 19 | 94 | 0 | 24 | 10 | 0 | 4 | 59 | 28 | 87 | 70 | 70 | 51 | 0 | 33 | 83 | 126 | 25 |
Pigeon pea(dry) | 42 | 91 | 50 | 1 | 43 | 11 | 15 | 13 | 13 | 114 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 29 | 46 | 37 | 40 | 1 | 18 | 53 | 90 | 12 |
Potato | 4 | 112 | 7.3 | 0 | 5 | 2 | 5 | 3 | 15 | 4 | 0 | 0 | 33 | 0 | 0 | 2 | 1 | 4 | 6 | 6 | 12 | 0 | 2 | 5 | 8 | 0 |
Sweet potato | 3 | 82 | 10 | 284 | 5 | 4 | 3 | 8 | 10 | 3 | 0 | 0 | 4 | 0 | 1 | 2 | 3 | 3 | 6 | 5 | 10 | 2 | 2 | 8 | 13 | 1 |
Spinach | 6 | 119 | 7.3 | 188 | 5 | 11 | 4 | 1 | 10 | 49 | 0 | 4.5 | 47 | 0 | 10 | 604 | 10 | 15 | 20 | 5 | 16 | 3 | 4 | 6 | 45 | 1 |
Dill | 7 | 32 | 7 | 154 | 4 | 17 | 8 | 4 | 9 | 38 | 0 | 0 | 142 | 0 | 0 | 0 | 21 | 37 | 14 | 7 | 21 | 3 | 6 | 7 | 63 | 0 |
Carrots | 2 | 9.3 | 334 | 4 | 3 | 5 | 3 | 7 | 5 | 0 | 0 | 10 | 0 | 3 | 16 | 3 | 2 | 3 | 4 | 9 | 3 | 2 | 2 | 7 | 0 | |
Guava | 5 | 24 | 18 | 12 | 4 | 2 | 5 | 5 | 6 | 12 | 0 | 0 | 381 | 0 | 4 | 3 | 2 | 1 | 5 | 4 | 12 | 0 | 2 | 11 | 8 | 1 |
Papaya | 1 | 7 | 5.6 | 22 | 2 | 2 | 2 | 2 | 1 | 10 | 0 | 0 | 103 | 0 | 4 | 3 | 2 | 1 | 2 | 1 | 7 | 0 | 0 | 1 | 1 | 1 |
Pumpkin | 2 | 56 | 1.6 | 184 | 3 | 6 | 3 | 3 | 3 | 4 | 0 | 0 | 15 | 0 | 5 | 1 | 2 | 4 | 3 | 4 | 10 | 0 | 2 | 6 | 6 | 0 |
Sunflower oil | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 205 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Egg | 25 | 136 | 0 | 10 | 5 | 28 | 0 | 14 | 7 | 12 | 22 | 45 | 0 | 9 | 5 | 0 | 5 | 10 | 3 | 19 | 4 | 6 | 7 | 5 | 2 | 45 |
Milk | 6 | 138 | 0 | 2 | 3 | 11 | 1 | 4 | 2 | 1 | 7 | 2.6 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 9 | 4 | 2 | 3 | 1 | 0 | 5 |
Chicken Liver | 34 | 149 | 0 | 222 | 20 | 105 | 49 | 62 | 43 | 147 | 276 | 30 | 0 | 4 | 0 | 1 | 50 | 5 | 30 | 7 | 3 | 18 | 25 | 13 | 78 | |
%DV = % daily value i.e. % of DRI (Dietary Reference Intake)
Note: All nutrient values including protein and fiber are in %DV per 100 grams of the food item. Significant values are highlighted in light Gray color and bold letters. [13][14] Cooking reduction = % Maximum typical reduction in nutrients due to boiling without draining for ovo-lacto-vegetables group[15][16] Q = Quality of Protein in terms of completeness without adjusting for digestability.[16] |
![]() Pigeon peas in Trinidad and Tobago | |||||||||||||||||||||||||||||||||||||||||||||||||
Nutritional value per 100 g (3.5 oz) | |||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Energy | 569 kJ (136 kcal) | ||||||||||||||||||||||||||||||||||||||||||||||||
23.88 g | |||||||||||||||||||||||||||||||||||||||||||||||||
Sugars | 3 g | ||||||||||||||||||||||||||||||||||||||||||||||||
Dietary fiber | 5.1 g | ||||||||||||||||||||||||||||||||||||||||||||||||
1.64 g | |||||||||||||||||||||||||||||||||||||||||||||||||
7.2 g | |||||||||||||||||||||||||||||||||||||||||||||||||
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Link to USDA Database entry Values for Choline, Vit. E/K available | |||||||||||||||||||||||||||||||||||||||||||||||||
†Percentages estimated using US recommendations for adults,[17] except for potassium, which is estimated based on expert recommendation from the National Academies.[18] |
![]() Seeds of the pigeon pea | |||||||||||||||||||||||||||||||||||||||||||||||||
Nutritional value per 100 g (3.5 oz) | |||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Energy | 1,435 kJ (343 kcal) | ||||||||||||||||||||||||||||||||||||||||||||||||
62.78 g | |||||||||||||||||||||||||||||||||||||||||||||||||
Sugars | n/a | ||||||||||||||||||||||||||||||||||||||||||||||||
Dietary fiber | 15 g | ||||||||||||||||||||||||||||||||||||||||||||||||
1.49 g | |||||||||||||||||||||||||||||||||||||||||||||||||
21.7 g | |||||||||||||||||||||||||||||||||||||||||||||||||
Tryptophan | 212 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Threonine | 767 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Isoleucine | 785 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Leucine | 1549 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Lysine | 1521 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Methionine | 243 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Cystine | 250 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Phenylalanine | 1858 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Tyrosine | 538 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Valine | 937 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Arginine | 1299 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Histidine | 774 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Alanine | 972 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Aspartic acid | 2146 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Glutamic acid | 5031 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Glycine | 802 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Proline | 955 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Serine | 1028 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
Hydroxyproline | 0 mg | ||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||
Link to USDA Database entry Values for Choline, Vit. E/K unavailable | |||||||||||||||||||||||||||||||||||||||||||||||||
†Percentages estimated using US recommendations for adults,[17] except for potassium, which is estimated based on expert recommendation from the National Academies.[18] |
Pigeon peas contain high levels of protein and the important amino acids methionine, lysine, and tryptophan.[19]
Following table indicates completeness of nutritional profile of various amino acids within mature seeds of pigeon pea.
Essential Amino Acid | Available mg/g of Protein | Min. Required mg/g of Protein |
---|---|---|
Tryptophan | 9.76 | 7 |
Threonine | 32.34 | 27 |
Isoleucine | 36.17 | 25 |
Leucine | 71.3 | 55 |
Lysine | 70.09 | 51 |
Methionine+Cystine | 22.7 | 25 |
Phenylalanine+Tyrosine | 110.4 | 47 |
Valine | 43.1 | 32 |
Histidine | 35.66 | 18 |
As can be seen from the table above, Methionine+Cystine combination is the only limiting amino acid combination in pigeon pea. In contrast to the mature seeds, the immature seeds are generally lower in all nutritional values, however they contain a significant amount of vitamin C (39 mg per 100 g serving) and have a slightly higher fat content. Research has shown that the protein content of the immature seeds is of a higher quality.[20]
Pathogens
Fusarium wilt
See also
References
- ^ ml:തുവര
- ^ Van der Maeson, L. J. G. (1995). "Pigeonpea Cajanus cajan", pp. 251–5 in Smartt, J. and Simmonds, N. W. (eds.), Evolution of Crop Plants. Essex: Longman.
- ^ Fuller, D. Q.; Harvey, E. L. (2006). "The archaeobotany of Indian pulses: Identification, processing and evidence for cultivation". Environmental Archaeology. 11 (2): 219–246. doi:10.1179/174963106x123232.
- ^ Carney, J. A. and Rosomoff, R. N. (2009) In the Shadow of Slavery. Africa’s Botanical legacy in the Atlantic World. Berkeley: University of California Press
- ^ Pigeonpea in Eastern and Southern Africa http://exploreit.icrisat.org/page/eastern_and_southern_africa/887/329. ICRISAT Posted 10 October 2012. Downloaded 26 January 2014.
- ^ "John Spence (1929) Plant Pathologist". National Institute of Higher Education, Research, Science and Technology. Retrieved 2015-02-24.
- ^ "Effect of Sprouting on invitro digestibility of some locally consumed leguminous seeds". Journal of Applied Sciences and Environmental Management. Vol. 10, Num. 3, 2006, pp. 55-58
- ^ Zemede Asfaw, "Conservation and use of traditional vegetables in Ethiopia", Proceedings of the IPGRI International Workshop on Genetic Resources of Traditional Vegetables in Africa (Nairobi, 29–31 August 1995)
- ^ "Tru Bahamian Must Eats: Peas & Rice". Tru Bahamian Food Tours. Retrieved 12 January 2015.
- ^ "ICRISAT-led global team cracks pigeonpea genome". Retrieved 2014-12-21.
- ^ "Draft genome sequence of pigeonpea (Cajanus cajan), an orphan legume crop of resource-poor farmers". Retrieved 2014-12-21.
- ^ "The first draft of the pigeonpea genome sequence". Retrieved 2014-12-21.
- ^ "National Nutrient Database for Standard Reference Release 28". United States Department of Agriculture: Agricultural Research Service.
- ^ "Nutrition facts, calories in food, labels, nutritional information and analysis". NutritionData.com.
- ^ "USDA Table of Nutrient Retention Factors, Release 6" (PDF). USDA. Dec 2007.
- ^ a b "Nutritional Effects of Food Processing". NutritionData.com.
- ^ a b United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.
- ^ a b National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN 978-0-309-48834-1. PMID 30844154. Archived from the original on 2024-05-09. Retrieved 2024-06-21.
- ^ "Nutrition Facts and Analysis for Pigeon peas (red gram), mature seeds, raw"
- ^ Bressani R, Gómez-Brenes RA, Elías LG.; Hobart (1986). "Nutritional quality of pigeon pea protein, immature and ripe, and its supplementary value for cereals". Arch Latinoam Nutr. 36 (1): 108–16. PMID 363219.
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External links
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- Singh, Nagendra K.; et al. (2011). "The first draft of the pigeonpea genome sequence". Journal of Plant Biochemistry and Biotechnology. 21: 98–112. doi:10.1007/s13562-011-0088-8. PMC 3886394. PMID 24431589.
- Decoding of the Pigeonpea (Arhar) Genome by Indian Scientists, Indian Council of Agricultural Research
- Varshney, Rajeev K; et al. (2011). "Draft genome sequence of pigeonpea (Cajanus cajan), an orphan legume crop of resource-poor farmers". Nature Biotechnology. 30 (1): 83–9. doi:10.1038/nbt.2022. PMID 22057054.
- ICRISAT-led global team cracks pigeonpea genome, Indian Council of Agricultural Research
- Pigeonpea a wonder crop for women farmers in Rajasthan, India, Indian Council of Agricultural Research