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2023 ASHS Conference Abstracts

 

History of Controlled Environment Horticulture: Ancient Origins

Authors:
Jules Janick Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907

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Harry Paris Department of Vegetable Crops & Plant Genetics, Agricultural Research Organization, Newe Ya’ar Research Center, P.O. Box 1021, Ramat Yishay 30-095, Israel

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Abstract

In the first century CE, two Roman agricultural writers, Lucius Junius Moderatus Columella and Gaius Plinius Secundus (Pliny the Elder), referred to proto-greenhouses (specularia) constructed for the Emperor Tiberius (42 BCE–37 CE) presumably adjacent to his palace, the Villa Jovis on the Isle of Capri. Pliny stated in Historia Naturalis (Book 19, 23:64) that the specularia consisted of beds mounted on wheels that were moved into the sun, and on wintry days withdrawn under the cover of frames glazed with transparent stone (lapis specularis) to provide fruits of cucumis. According to Pliny, this was “a delicacy for which the Emperor Tiberius, had a remarkable partiality; in fact there was never a day on which he was not supplied it.” The cucumis fruits described by Columella and Pliny, long mistranslated as cucumbers, Cucumis sativus, were in fact long-fruited melons, Cucumis melo subsp. melo Flexuosus Group. They are known today as vegetable melons, snake melons, and faqqous, and were highly esteemed in Rome and ancient Israel.

The origins of controlled environment horticulture are to be found in the Roman proto-greenhouse constructed to grow cucumis for Rome’s second emperor, Tiberius Caesar Augustus (42 BCE–37 CE) (Fig. 1A). These structures were probably located adjacent to his palace, the Villa Jovis, on the Isle of Capri (Fig. 1B). Tiberius, emperor from 14 to 37 CE, reigned during the crucifixion of Jesus, as mentioned in the New Testament (Luke 3:1). The verse “Render therefore unto Caesar the things which are Caesar’s and unto God the things that are God’s” (Matthew 22:17), refers to Tiberius.

Fig. 1.
Fig. 1.

(A) Bust of Tiberius Caesar (Paris and Janick, 2008). (B) Ruins of Villa Jovis on the Isle of Capri.

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Ancient Roman Sources

Two surviving first-century Roman texts, De Re Rustica (On Agriculture) written by Lucius Junius Moderatus Columella, 4 BCE to 70 CE (Fig. 2A), and Historia Naturalis (Natural History) written by Gaius Plinius Secundus, 23 to 79 CE, known as Pliny the Elder (Fig. 2B), provide contemporary details of environmental control for cucumis, of which Emperor Tiberius was exceedingly fond.

De Re Rustica.

“Anyone who wishes to have the fruits of cucumber [cucumis] ripen earlier than usual should, when midwinter is past, produce well-manured soil enclosed in baskets and give it a moderate amount of water; then, when the seeds have come up, he should place the baskets in the open air on warm and sunny days near a building, so that they may be protected from any blasts of wind; but if it is cold and stormy, he should bring them back under cover and continue to do so until the spring equinox is over. He should then sink the whole baskets into the ground. He will then have early fruits. It is also possible, if it be worth the trouble, for wheels to be put under larger vessels, so that they may be brought out and then taken indoors again with less labour. In any case the vessels ought to be covered with slabs of transparent stones [specularibus] so that even in cold weather, when the days are clear, they can safely be brought out into the sun. By this method Tiberius Caesar was supplied with cucumis during almost the whole year.” De Re Rustica X1. III. 52–53 (Forster and Heffner, 1955).

Fig. 2.
Fig. 2.

(A) Statue of Lucius Columella, Cadiz, Spain. (B) Gaius Plinius Secundus (Pliny the Elder).

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Historia Naturalis.

“Belonging to the class of cartilaginous plants and growing on the surface of the ground is the cucumber [cucumis] for which the emperor Tiberius had a remarkable partiality: in fact, there was never a day which he was not supplied with it, as his kitchen gardeners had cucumber [cucumis] beds mounted on wheels which they moved out into the sun and then on wintry days withdrew under the cover of frames glazed with transparent stone.” Historia Naturalis XIX. XXIII. 64 (Rackham, 1950).

Environment control.

Columella recommends two methods for early production of cucumis: (1) placing containers of seedlings next to buildings that provide heat, or (2) setting plants under frames covered with lapis specularia (transparent stone). Both of Columella’s methods represent environmental control. Pliny repeats the story of the specularia and associates it with the predilection of Tiberius for cucumis. The use of frames covered with transparent stone is a proto-greenhouse. No contemporary illustrations exist, but a suggested reconstruction of the Roman specularia is presented in Fig. 3.

Fig. 3.
Fig. 3.

A reconstruction of the specularia, Roman proto-greenhouse covered with transparent stone (lapis specularia) a translucent gypsum (selenite) that forms crystal sheets similar to mica.

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Transparent stone (lapis specularia) was a variety of gypsum mined in the province of Cuenca, Spain, known as selenite, which forms transparent thin sheets, similar to mica (Serrano-Viñuelas, 2016). It was used by the Romans for skylights and window panes. Glass was known to the Romans, but there was no method to make it into sheets. The selenite sheets represent the earliest greenhouse cover. The material was later replaced by glass in the Renaissance, transparent paper in 15th century Asia, and polyethylene films in the 20th century. In the 21st century, artificial lighting has replaced sunlight, and transparent covers are no longer required in modern vertical structures.

Taxonomic Identity of the Roman Latin Cucumis

Most modern translations of Columella and Pliny assume cucumis refers to cucumber, Cucumis sativus L., and this mistranslation is almost universal, even in contemporary literature. However, cucumber is clearly a mistranslation based on the descriptions of cucumis in Columella and Pliny (Dalby, 2003; Janick et al., 2007). In Book 10 of De Re Rustica, Columella described the cucumis as hairy (hirtus) and snake-like. Likewise, Pliny, in Book 19 of Historia Naturalis, wrote that the very young fruits of the cucumis were covered with white down (lanugine). Young melon fruits are typically pubescent, but cucumber fruits are not (Fig. 4). Also, cucumber fruits typically sport tubercles, which are not mentioned. The cucumis described by Columella and Pliny was likely the same as the sikyos of the ancient Greeks and the qishu’im of ancient Israel (Janick et al., 2007; Paris, 2015; Paris and Janick, 2010–2011), taxonomically Cucumis melo subsp. melo Flexuosus Group (L.) Naudin, the snake melon. Snake melons have been commonly grown in Mediterranean lands since ancient times, through the medieval period and to the present (Paris, 2011). Known as faqqous in that region, snake melons are presently sold as “Armenian cucumbers” in the United States. Various images of snake melons have survived from antiquity (Fig. 5; Janick et al., 2007; Avital and Paris, 2014). Pliny distinguishes between cucumis (pliable skin) and cucurbita (rind), the latter being another cucurbit, Lagenaria siceraria (Mol.) Standl., the bottle gourd. The first image of cucumber, Cucumis sativus, dates to 1335 (Fig. 6), indicative of its arrival in Europe from Asia after the fall of the Roman Empire, in the medieval period, probably by both overland and sea routes (Paris et al., 2012). The better adaptation of C. sativus to the cool climate of Europe is what probably led to its gradual replacing of elongate-fruited C. melo on that continent (Paris et al., 2011).

Fig. 4.
Fig. 4.

Partial view of snake melon ‘Striped Armenian’ (left) and of Bet Alfa-type cucumber ‘Shimshon’ (right). Notice the presence of hairs on the snake melon and their absence on the cucumber.

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Fig. 5.
Fig. 5.

Ancient mages of long-fruited cucurbits identified as Cucumis melo Flexuosus Group: (A) Egyptian Old Kingdom (1550–1300 BCE). (B) Four snake melons, one in a glass jar presumably used for pickling in the Roman town of Ercolao (Herculanum) destroyed by Mount Vesuvius in 79 CE. (C) Second century Tunisian mosaic. (D) Third century Greek tomb painting. (F) Fourth century, Merida Spain (Janick et al., 2007).

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Fig. 6.
Fig. 6.

Cucumber (Cucumis sativus) from the manuscript Manfred de Monte Imperiali, Pisa, Italy, ca. 1335 (Paris et al., 2011).

Citation: HortScience 57, 2; 10.21273/HORTSCI16169-21

Conclusions

The origins of controlled-environment horticulture is the Roman specularia, which were wooden frames covered with transparent stone, a form of gypsum (selenite), known to the Romans as lapis specularia or transparent stone. The specularia was used for out-of-season culture of long-fruited melons, C. melo Flexuosus Group.

Literature Cited

  • Avital, A. & Paris, H.S. 2014 Cucurbits depicted in Byzantine mosaics from Israel, 350–600 CE Ann. Bot. 114 203 222

  • Dalby, A 2003 Food in the ancient world from A to Z Routledge London, UK

  • Forster, E.S. & Heffner, E.H. 1955 Lucius Junius Moderatus Columella. On agriculture and trees Vol. 3 162 163 Harvard University Press Cambridge, MA

    • Search Google Scholar
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  • Janick, J., Paris, H.S. & Parrish, D.C. 2007 The cucurbits of Mediterranean antiquity: Identification of taxa from ancient images and descriptions Ann. Bot. 100 1441 1457 https://doi.org/10.1093/aob/mem242

    • Search Google Scholar
    • Export Citation
  • Paris, H.S 2011 Semitic-language records of snake melons (Cucumis melo, Cucurbitaceae) in the medieval period and the “piqqus” of the “faqqous” Genet. Resources Crop Evol. 59 31 38

    • Search Google Scholar
    • Export Citation
  • Paris, H.S 2015 The identity, characteristics, and vending of cucurbit crops in Israel of Roman times 299 306 McWilliams, M. Food & Markets, Proceedings of the Oxford Symposium on Food and Cookery 2014 Prospect Books London

    • Search Google Scholar
    • Export Citation
  • Paris, H.S. & Janick, J. 2008 What the Roman emperor Tiberius grew in his greenhouses 33 41 Cucurbitaceae 2008, Proc. IXth EUCARPIA meeting on genetics and breeding of Cucurbitaceae INRA Avigon, France

    • Search Google Scholar
    • Export Citation
  • Paris, H.S. & Janick, J. 2010–2011 The cucumis of antiquity: A case of mistaken identity Rep. Cucurbit Genet. Coop. 33-34 1 2

  • Paris, H.S., Janick, J. & Daunay, M.-C. 2011 Medieval herbal iconography and lexicography of Cucumis (cucumber and melon, Cucurbitaceae) in the Occident, 1300–1458 Ann. Bot. 108 471 484

    • Search Google Scholar
    • Export Citation
  • Paris, H.S., Daunay, M.-C. & Janick, J. 2012 Occidental diffusion of cucumber (Cucumis sativus) 500–1300 CE: Two routes to Europe Ann. Bot. 109 117 126

    • Search Google Scholar
    • Export Citation
  • Rackham, H 1950 Pliny natural history 462 463 Vol. V Harvard University Press Cambridge, MA

  • Serrano-Viñuelas, P 2016 The glass made of stone: Lapis specularis in the province of Cuenca 30 Nov. 2021. <https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.academia.edu%2f32963 868%2fTHE_GLASS_MADE_OF_STONE_ LAPIS_SPECULARIS_IN_THE_PROVINCE_ OF_CUENCA&c=E,1,cWrULpsk1haPC3wF- 9ODCrUjbdxbi1g7My-Zsr8xqROlg0P0T3m SNdm8V9-216x_yOzWXiHnRcpidvSMz1_ 5HsWKY17Sj4eyDbVr_Y40VGW9pP6zv0D XtQ,&typo=1>

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  • Fig. 1.

    (A) Bust of Tiberius Caesar (Paris and Janick, 2008). (B) Ruins of Villa Jovis on the Isle of Capri.

  • Fig. 2.

    (A) Statue of Lucius Columella, Cadiz, Spain. (B) Gaius Plinius Secundus (Pliny the Elder).

  • Fig. 3.

    A reconstruction of the specularia, Roman proto-greenhouse covered with transparent stone (lapis specularia) a translucent gypsum (selenite) that forms crystal sheets similar to mica.

  • Fig. 4.

    Partial view of snake melon ‘Striped Armenian’ (left) and of Bet Alfa-type cucumber ‘Shimshon’ (right). Notice the presence of hairs on the snake melon and their absence on the cucumber.

  • Fig. 5.

    Ancient mages of long-fruited cucurbits identified as Cucumis melo Flexuosus Group: (A) Egyptian Old Kingdom (1550–1300 BCE). (B) Four snake melons, one in a glass jar presumably used for pickling in the Roman town of Ercolao (Herculanum) destroyed by Mount Vesuvius in 79 CE. (C) Second century Tunisian mosaic. (D) Third century Greek tomb painting. (F) Fourth century, Merida Spain (Janick et al., 2007).

  • Fig. 6.

    Cucumber (Cucumis sativus) from the manuscript Manfred de Monte Imperiali, Pisa, Italy, ca. 1335 (Paris et al., 2011).

  • Avital, A. & Paris, H.S. 2014 Cucurbits depicted in Byzantine mosaics from Israel, 350–600 CE Ann. Bot. 114 203 222

  • Dalby, A 2003 Food in the ancient world from A to Z Routledge London, UK

  • Forster, E.S. & Heffner, E.H. 1955 Lucius Junius Moderatus Columella. On agriculture and trees Vol. 3 162 163 Harvard University Press Cambridge, MA

    • Search Google Scholar
    • Export Citation
  • Janick, J., Paris, H.S. & Parrish, D.C. 2007 The cucurbits of Mediterranean antiquity: Identification of taxa from ancient images and descriptions Ann. Bot. 100 1441 1457 https://doi.org/10.1093/aob/mem242

    • Search Google Scholar
    • Export Citation
  • Paris, H.S 2011 Semitic-language records of snake melons (Cucumis melo, Cucurbitaceae) in the medieval period and the “piqqus” of the “faqqous” Genet. Resources Crop Evol. 59 31 38

    • Search Google Scholar
    • Export Citation
  • Paris, H.S 2015 The identity, characteristics, and vending of cucurbit crops in Israel of Roman times 299 306 McWilliams, M. Food & Markets, Proceedings of the Oxford Symposium on Food and Cookery 2014 Prospect Books London

    • Search Google Scholar
    • Export Citation
  • Paris, H.S. & Janick, J. 2008 What the Roman emperor Tiberius grew in his greenhouses 33 41 Cucurbitaceae 2008, Proc. IXth EUCARPIA meeting on genetics and breeding of Cucurbitaceae INRA Avigon, France

    • Search Google Scholar
    • Export Citation
  • Paris, H.S. & Janick, J. 2010–2011 The cucumis of antiquity: A case of mistaken identity Rep. Cucurbit Genet. Coop. 33-34 1 2

  • Paris, H.S., Janick, J. & Daunay, M.-C. 2011 Medieval herbal iconography and lexicography of Cucumis (cucumber and melon, Cucurbitaceae) in the Occident, 1300–1458 Ann. Bot. 108 471 484

    • Search Google Scholar
    • Export Citation
  • Paris, H.S., Daunay, M.-C. & Janick, J. 2012 Occidental diffusion of cucumber (Cucumis sativus) 500–1300 CE: Two routes to Europe Ann. Bot. 109 117 126

    • Search Google Scholar
    • Export Citation
  • Rackham, H 1950 Pliny natural history 462 463 Vol. V Harvard University Press Cambridge, MA

  • Serrano-Viñuelas, P 2016 The glass made of stone: Lapis specularis in the province of Cuenca 30 Nov. 2021. <https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.academia.edu%2f32963 868%2fTHE_GLASS_MADE_OF_STONE_ LAPIS_SPECULARIS_IN_THE_PROVINCE_ OF_CUENCA&c=E,1,cWrULpsk1haPC3wF- 9ODCrUjbdxbi1g7My-Zsr8xqROlg0P0T3m SNdm8V9-216x_yOzWXiHnRcpidvSMz1_ 5HsWKY17Sj4eyDbVr_Y40VGW9pP6zv0D XtQ,&typo=1>

    • Search Google Scholar
    • Export Citation
Jules Janick Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907

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Harry Paris Department of Vegetable Crops & Plant Genetics, Agricultural Research Organization, Newe Ya’ar Research Center, P.O. Box 1021, Ramat Yishay 30-095, Israel

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Contributor Notes

This manuscript is based on a workshop sponsored by the History of Horticulture Working Group at the Annual Conference of the American Society for Horticultural Science, 2019.

J.J. is the corresponding author. E-mail: knemali@purdue.edu.

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